SHENGTIAN GLOBAL

         ASTM API 5L X80 Carbon Seamless Steel Pipe 　　Standard:ASTM, DIN, GB, JIS 　　Grade:10#, 20#, 45#, A106 　　Application:Structure Pipe 　　Thickness:1.65 - 59.54 mm 　　Origin:China 　　Technique:Hot Rolled 　　length:5.8-11.8m 　　Size:1/2"—48" 　　Trademark: Shengtian 　　Surface:Black painting, varnish paint 　　Package:Plastic caps on both ends, Steel bundle, Woven bag 　　Certificate:ISO9001, SGS,BV, etc 　　Port of Shipment:Tianjin

　　 API 5L X70 Natural Gas Industry Seamless Pipe 　　Standard:API 　　Standard2:API 5CT,API 5L,API 5DP 　　Grade Group:API J55-API P110 　　Grade:API J55, API K55, API N80, API L80, API P110 　　Thickness:4 - 12.7 mm 　　Section Shape:Round 　　Outer Diameter(Round):114.3 - 355.6 mm 　　Place of Origin:China 　　Application:Gas Pipe 　　Technique:Hot Rolled 　　Surface Treatment:paint 　　Special Pipe:API Pipe 　　Port:Tianjin

　　 ASTM A106 Sch40 Carbon Seamless Steel Pipes 　　Standard:API, ASTM, DIN, GB, JIS 　　Grade:10#, 20#, 45#, 10Cr9Mo1VNb, 16Mn, API J55, Q345 　　Thickness:1 - 30 mm 　　Section Shape:Round 　　Outer Diameter(Round):10 - 700 mm 　　Place of Origin:China 　　Application:Fluid Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Surface Treatment:Black painting 　　Keyword:carbon seamless steel pipe 　　Usage:Transport Petroleum,Oil,Gas,Water and Liquid 　　Length:5m-12m 　　Shape:Round 　　Port:Tianjin

        API 5CT N80 Sch40 Seamless Pipe 　　Standard:API 5CT 　　Grade:API J55, API K55, API N80, API L80, API P110 　　Thickness:5.21 - 16.13 mm 　　Trademark: Shengtian 　　Material: Carbon Steel 　　Type: Seamless 　　Usage: Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration 　　Place of Origin:China 　　Application:Oil Pipe 　　Technique:Cold Rolled 　　Certification:API 　　Surface Treatment:anti-corrosion oil, black painting, 3PE

　　 ASTM A120 12 Inch Carbon Steel Seamless Pipe 　　Standard:ASTM, DIN, GB, API, JIS, BS 　　Grade Group:A53-A369, 10#-45#, API J55-API P110, Q195-Q345 　　Thickness:0.5 - 20 mm 　　Section Shape:Round 　　Outer Diameter(Round):10 - 2000 mm 　　Place of Origin:China 　　Application:Structure Pipe 　　Technique:Hot Rolled 　　Certification:ISO9001-2008 　　Surface Treatment:Customers't Requirement 　　Special Pipe:seamless steel pipe 　　Length:6m, 5.8m, 11.8m, 12m 　　Color:Black....as Customers' Requirement 　　Product:High Precision Pipe 　　Port:Tianjin 　　Used:Building industry machinery

        API 5L PSL2  Carbon Steel Seamless Pipe for Oil And Gas 　　Standard:API, ASTM, DIN, GB, JIS 　　Grade Group:10#-45#, 16Mn, Q195-Q345, ST35-ST52 　　Thickness:1 - 220 mm 　　Section Shape:Round 　　Outer Diameter(Round):6 - 2500 mm 　　Place of Origin:China 　　Application:Boiler Pipe 　　Technique:Cold Rolled 　　Certification:BV TUV 　　Surface Treatment:anti-corrosion oil, black painting, 3PE 　　Special Pipe:Thick Wall Pipe 　　Model Number:x52 x65 x70 　　Port:Tianjin

　　 ASTM A53 Gr.B Carbon Steel Seamless Pipe 　　Standard:API 5L,ASTM A53-2007, BS 1387 　　Grade Group:16Mn, A53-A369, Q195-Q345, ST35-ST52 　　Thickness:0.6 - 16 mm 　　Section Shape:Round 　　Outer Diameter(Round):20 - 406 mm 　　Place of Origin:China 　　Brand Name:Shengtian 　　Application:Liquid Delivery,Structure Or Mechanical Service 　　Certification:ISO 9001:2000&CE Certificated 　　Special Pipe:Thick Wall Pipe 　　Length:Any Length Below 12 Meter 　　Inspection:With Hydraulic Testing, Eddy Current, Infrared Test 　　Type:ERW Welded/Seamless Or Shaped/Round 　　Main Material:Q235 S235 SS400 Grade D,etc 　　Main Usage:Water or Gas Pipe/Steel Conduits/Scaffording,etc

　　 Low Price ASTM A106 Sch40 Carbon Steel Seamless Pipes 　　Standard:API, ASTM, BS, DIN, GB, JIS 　　Grade Group:16Mn, A53-A369, API J55-API P110, ST35-ST52 　　Thickness:0.133 - 19.05 inch 　　Section Shape:Round 　　Outer Diameter(Round):1.315 - 18 inch 　　Place of Origin:China 　　Application:Oil Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Surface Treatment:Black painting 　　Special Pipe:API Pipe 　　Keyword:Seamless Steel Pipe 　　Usage:Oil Gas Sewage Transport 　　End protector:Plastic Pipe Cap 　　Material:Carbon steel pipe

　　 API 5L GR.B 3PE Coating Seamless Pipe 　　Standard:GB, API, ASTM 　　Grade Group:A53-A369, 10#-45#, Q195-Q345, ST35-ST52 　　Thickness:3 - 80 mm 　　Section Shape:Round 　　Outer Diameter(Round):1 - 140 inch 　　Place of Origin:China 　　Application:Oil Pipe, Gas,Water,Chemical liquid and so on 　　Certification:API, CE,ISO 　　Surface Treatment:3PE Coated 　　Special Pipe:API Pipe 　　Brand Name:Shengtian 　　Package:Exported Packaging Standard 　　Technique:Hot Rolled, SAWL,SAWH,ERW 　　Type:Spiral,Straight,Seamless 　　Payment:T/T or L/C at sight

　　 ASTM A106 Grade B 3PE Coated Seamless Pipe 　　Standard:JIS, ASTM, GB, BS, DIN, API 　　Grade Group:A53-A369,Q195-Q345 　　Thickness:0.89 - 60 mm 　　Section Shape:Round 　　Outer Diameter(Round):60 - 720 mm 　　Place of Origin:China 　　Application:Gas /oil Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Surface:3PE Coated 　　Material:Q195/Q215/Q235/Q345 　　Length:5.8-12m 　　Port:Tianjin

　　 ISO9001 API5CT J55 Seamless Carbon Steel Oil Pipe 　　Section Shape: Round 　　Outer Diameter: 60-630mm 　　Surface: Black Painting/Oiled 　　Technical: Hot Rolling; Cold Drawing; NDT Test; Ut Test; Hydr 　　Steel Grade: 20#,Q345b,Gr.B,X42,X56,P11,P22,St37,St45.8,St52,S2 　　Origin: China 　　Material: Carbon Steel 　　Wall Thickness: 1.53-40mm 　　Application: Scaffolding , Structure ,Furniture, Oil or Gas, Bo 　　Length: Fixed or Random ,by Customer′s Requiremnts 　　Payment Term: Fob,CIF,CFR 　　Trademark: Shengtian

　　 API 5L Welded ERW Alloy Steel Oil Pipe 　　Type:Seamless 　　Technique:Cold Rolled 　　Material:Alloy Steel 　　Surface Treatment:Polished 　　Thickness:0.2-4mm or 4~60mm or 60~115mm 　　Standard:ASME, ASTM, EN ,BS,GB,DIN, JIS etc 　　Port:Tianjin 　　Packaging:according to customer requirements or products 　　Payment Term: Fob,CIF,CFR 　　Trademark: Shengtian 　　Origin:China

　　 API 5L GR.B Petroleum Seamless Steel Oil Pipe 　　Technique: Hot Rolled 　　Surface Treatment: Galvanized, Painting, Coating 　　Shape: Round 　　Wt: 3mm-45mm 　　Grade: Grade a/Grade B/X42/X52/X56/X60/X65/X70/L45 Ect 　　Trademark:Shengtian 　　Specification: API 　　Material: Carbon Steel 　　Usage: Pipeline Transport, Construction & Decoration 　　Od: 1/2"-28" 　　Standard: API 5L Psl1 and Psl2 　　Transport Package: in Bundles/Waterproof/Wooded Case 　　Origin: China

　　 Large Diameter Lsaw Seamless Carbon Steel Oil Pipe 　　Technique: Hot Rolled 　　Surface Treatment: Galvanized, Painting, Coating 　　Shape: Round 　　Port:Tianjin 　　Trademark:Shengtian 　　Specification: API 　　Material: Carbon Steel 　　Usage: Pipeline Transport, Construction & Decoration 　　Od: 1/2"-28" 　　Standard: API 5L Psl1 and Psl2 　　Transport Package: in Bundles/Waterproof/Wooded Case 　　Origin: China

　　 API-5CT Threaded and Coupled Seamless Oil Pipe 　　Model NO:4-1/2′′, 3-1/2′′, 2-7/8′′, 2-3/8′′ 　　Trademark:Shengtian 　　Transport Package:Packing With Loose or Packed by Bundle 　　Specification:4-1/2′′, 3-1/2′′, 2-7/8′′, 2-3/8′′ 　　Origin:hebeiChina 　　Port:Tianjin, China 　　Type:Seamless 　　Technique:Cold Drawn 　　Material: Carbon Steel

　　 API 5CT N80 Seamless Carbon Steel Oil Pipe 　　Standard:API 　　Standard2:API 5CT 　　Grade Group:API J55-API P110 　　Grade:API J55, API K55, API L80, API N80, API P110 　　Thickness:1 - 60 mm 　　Section Shape:Round 　　Outer Diameter(Round):4 - 20 inch 　　Place of Origin:China 　　Application:Oil pipe 　　Technique:ERW 　　Certification:API 　　Surface Treatment:Bright,Black,painted.etc 　　Port:Tianjin

　　 ASTM A106 Grade B Seamless Carbon Steel Oil Pipe 　　Standard:API, ASTM, BS, GB, JIS 　　Grade Group:A53-A369, Q195-Q345, ST35-ST52 　　Thickness:2.24 - 33.32 mm 　　Section Shape:Round 　　Outer Diameter(Round):13.7 - 323.8 mm 　　Place of Origin:China 　　Brand Name:Shengtian 　　Application:Oil Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Port:Tianjin

　　 ASTM A53 8Inch Seamless Steel Oil Pipe 　　Standard:API, ASTM, BS, DIN, GB 　　Grade Group:10#-45#, 10Cr9Mo1VNb, 16Mn, A53-A369 　　Grade:20#, 45#, 10Cr9Mo1VNb,  API J55, 15MnV, 15Mo3 　　Thickness:0.8 - 19 mm 　　Section Shape:Round 　　Outer Diameter(Round):10.3 - 1219 mm 　　Place of Origin:China 　　Technique:Cold Rolled, Cold Drawing 　　Certification:API, BV,TUV,MTC 　　Surface Treatment:black 　　Special Pipe:Thick Wall Pipe 　　Length:5.8,11.8M or as your request 　　Payment terms:T/T,L/C at sight 　　Port:Tianjin

　　 API 5CT X43 Seamless Steel Oil Pipe 　　Section Shape: Round 　　Outer Diameter: 60-630mm 　　Material: Carbon Steel 　　Wall Thickness: 1.53-40mm 　　Application: Scaffolding , Structure ,Furniture, Oil or Gas, Bo 　　Length: Fixed or Random ,by Customer′s Requiremnts 　　Trademark: Shengtian 　　Place of Origin:China 　　Application:Oil Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Surface Treatment:Galvanized 　　Special Pipe:API Pipe

　　 ASTM A53 Carbon Steel Oil Casing Pipe 　　Standard:ASTM, BS, DIN, GB, JIS 　　Grade Group:A53-A369, Q195-Q345, ST35-ST52 　　Thickness:0.6 - 25 mm 　　Section Shape:Square 　　Outer Diameter:15*15~400*400, 16mm*16mm-400mm*400mm 　　Place of Origin:China 　　Technique:ERW, Welded 　　Certification:BSI 　　Surface Treatment:Galvanized 　　Special Pipe:Thick Wall Pipe 　　Brand Name:Shengtian 　　Usage:Used for water, gas, and oil 　　Length:4m--12m

　　 ASTM A53 N80 Seamless Steel Oil Casing Pipe 　　Standard:API, ASTM, BS, DIN, GB 　　Grade Group:10#-45#, 10Cr9Mo1VNb, 16Mn, A53-A369, Mo 　　Thickness:0.8 - 19 mm 　　Section Shape:Round 　　Outer Diameter(Round):10.3 - 1219 mm 　　Place of Origin:China 　　Trademark: Shengtian 　　Application:Structure Pipe 　　Technique:Cold Rolled, Cold Drawing 　　Certification:API, BV,TUV,MTC 　　Surface Treatment:Black 　　Special Pipe:Thick Wall Pipe 　　Alloy Or Not:Non-alloy 　　Material:ASTM A106 Gr.b,20# A179 　　Length:5.8,11.8M or as your request 　　Payment terms:T/T,L/C at sight 　　Shape:Plain Ends or Beveled Ends

　　 API 5CT 6 Inch Hot Rolled Oil Pipe 　　Standard:API 5CT 　　Grade:API J55-API P110 　　Thickness:4.5 - 20 inch 　　Section Shape:Round/Square 　　Place of Origin:China 　　Application:Oil Pipe 　　Technique:Hot Rolled 　　Certification:API 　　Surface Treatment:Other 　　Special Pipe:API Pipe 　　Nominal weight:9.5-133.0 　　Length:1-12m 　　Size:4-1/2" - 20" 　　Port:Tianjin

　　 API 5L X42 SSAW Seamless Steel Oil Pipe 　　Standard:API, ASTM, BS, DIN, JIS 　　Grade Group:10#-45#, 16Mn, API J55-API P110 　　Thickness:2.5 - 30 mm 　　Section Shape:Round 　　Outer Diameter(Round):219 - 3620 mm 　　Place of Origin:China 　　Trademark: Shengtian 　　Application:Fluid Pipe 　　Technique:SAW 　　Certification:API 　　Surface Treatment:Customized 　　Length:1-12m 　　Material:Q195/Q215/Q235/Q345 　　Surface:Customers't Requirement 　　Type:Hot Rolled Hollow Carbon Pipe 　　Keyword:SSAW PIPE 　　Port:Tianjin

　　After a series of processing, such as forming, welding and cooling, the welded steel pipe still needs to be sawed off. In this link, the length of the process ruler directly affects the quality and sales of the finished welded steel pipe, so the length of the ruler should be controlled within ± 5mm. Not only that, in actual operation, the staff must also operate in strict accordance with the following procedures: 　　First, the power is supplied to the control cabinet, and then the automatic switches in the control cabinet are closed. At the same time, the power switch of the operation console is closed, and the microcomputer starts. Next, close the unloading start button, turn the internal and external control buttons of the power cabinet of the steward to the external position, and move the direction adjusting button to the directional position. Then press the step power start button and saw blade motor start button to start it. At this time, the operation menu prompt about the saw...

　　In many pipeline materials, seamless steel pipe should be considered as a kind of pipeline material with a wide range of uses. Seamless steel pipe construction, mechanical processing, electrical and other industries are widely used. Therefore, in a sense, this type of pipeline material has a wider range of use. In many fields, it can also be seen that seamless steel pipe Figure, from the current market development, the production scale of seamless steel pipe continues to expand, the market price has dropped, and there are more advantages in price, which is also one of the reasons for the increase of popularity of this type of pipe material in the market. 　　From the perspective of the development of  DIN1629 ST37 Cold Drawn Seamless Steel Pipe , the production scope of this kind of pipe material is constantly expanding the main scale, and the manufacturers of seamless steel pipe are also constantly increasing. There are many large-scale common ones. The best way to purchase seam...

　　The welding deviation of Oil Well Casing Pipe means that the welding position deviates from the welding center line. When oil well casing pipe welding, the welding angle deviates from the welding junction and is not welded along the weld. 　　In each standard, the welding deviation of  API 5CT 8 Inch Oil Well Casing Pipe  weld is also specified: 　　1.Oil well casing pipe for low pressure fluid transmission pipeline, which is not specified in SY / t5037-2012 standard. 　　2. Technical conditions for delivery of steel pipes for oil and natural gas industry - Part 1: class a steel pipe GB / t9711-2011 PSL1 standard stipulates that as long as the non-destructive test proves that the weld is fully penetrated and fully fused, the welding deviation cannot be used as the rejection basis for oil well casing pipe. 　　3. Technical delivery conditions for oil and natural gas industrial transmission steel pipe part 2: steel pipe of class B GB / t9711-2011 PSL2 standard stipulates that ...

         ASTM A53 ERW Carbon Black Welded Steel Pipe 　　Standard:API, ASTM, BS, DIN, JIS 　　Grade Group:10#-45#, 16Mn, Cr-Mo alloy, Mo 　　Grade:10#, 20#, 45#, 16Mn, 12Cr1MoV, 34CrMo4, 30CrMo, 　　Thickness:2 - 80 mm 　　Place of Origin:China 　　Application:Construction,structure,oil&gas pipe 　　Technique:Hot Rolled 　　Certification:API 　　Special Pipe:API/EMT/Thick Wall Pipe 　　Brand name:Shengtian 　　Length:random,range fixed or fixed length 　　Usage:Constrution,Structure,Furniture,Oil Gas Transport 　　Port:Tianjin port

        ASTM A53 30 Inch Welded Steel Pipe 　　Standard:ASTM, BS, API, DIN, JIS, GB 　　Standard2:ASTM A106-2006, ASTM A53-2007, BS 1387 　　Grade Group:A53-A369, 16Mn, Q195-Q345, 10#-45# 　　Grade:A53(A,B), A106(B,C), 16Mn, Q235, Q215, Q345, Q195 　　Thickness:0.5 - 20 mm 　　Section Shape:Sqaure 　　Place of Origin:China 　　Application:Structure Pipe 　　Technique:ERW 　　Certification:ISO SGS CE 　　Surface Treatment:Black/ Galvanized/ Oiled 　　Special Pipe:Thick Wall Pipe 　　Product name:ERW welded steel pipe 　　Keyword:Steel pipe 　　Material:Q195/Q215/Q235/Q345 　　Port:Tianjin

        API 5L 14Inch Carbon Welded Steel Pipe 　　Technique: Cold Rolled/Cold Formed/Hot Finished/Cold Drawn 　　Surface Treatment: Bared, Oiled, Color Paint, 3lpe, or Other 　　Section Shape: Round, Square, Rectangular 　　Length: 5.8~12m or Upon Customer′ Requirements 　　Product name:API 5L 14Inch Carbon Welded Steel Pipe 　　Trademark: Shengtian 　　Origin: China 　　Type: Welded 　　Thickness:1.24 - 59.54 mm 　　Usage: Pipeline Transport, Special Purpose 　　Specification: CE, ISO, SGS 　　Application:For oil and water pipes

　　 API N80 ERW Seamless Welded Steel Pipe 　　Standard:API, ASTM, DIN, GB 　　Grade Group:10#-45#, 16Mn, A53-A369, Q195-Q345, ST35-ST52 　　Thickness:2 - 50 mm 　　Section Shape:Round 　　Outer Diameter(Round):10 - 630 mm 　　Place of Origin:China 　　Application:Oil Pipe 　　Technique:ERW 　　Surface Treatment:2PE/3PE/ Spray paint 　　Special Pipe:API Pipe 　　shape:round 　　Length:5.8-12m 　　Usage:Oil Gas Sewage Transport 　　Material:Q195/Q215/Q235/Q345

　　 Q235 SSAW Welded Steel Pipe for Gas and Oil 　　Standard:GB 5310-1995, GB 3087-1999, DIN 1626, DIN 1629/3, DIN EN 10216-1-2004 　　Grade Group:10#-45#,10Cr9Mo1VNb, Q195-Q345 　　Thickness:4 - 18 mm 　　Section Shape:Round 　　Outer Diameter(Round):219 - 3220 mm 　　Place of Origin:China 　　Trademark:Shengtian 　　Application:Structure Pipe 　　Technique:ERW 　　Certification:API 　　Special Pipe:API Pipe 　　Length:6m/9m/12m or other size 　　Surface:Customers't Requirement 　　Material:Q195/Q215/Q235/Q345 　　Usage:Constrution,Structure,Furniture,Oil Gas Transport 　　Transport Package: in Bundles by Steel Strips/Pallet 　　Port:Tianjin port

　　 ASTM A106 Gr.B Welded Steel Pipes 　　Standard:API, ASTM, BS, GB, JIS 　　Grade Group:10#-45#, 16Mn, Q195-Q345 　　Thickness:0.5 - 15 mm 　　Section Shape:Round 　　Outer Diameter(Round):10 - 1000 mm 　　Place of Origin:China 　　Application:Structure Pipe 　　Certification:SGS 　　Special Pipe:Thick Wall Pipe 　　Material:Q195/Q215/Q235/Q345 　　Usage:Construction Structure 　　End protector:Plastic Pipe Cap 　　Length:1-12m 　　Surface:Black Varnished

　　 API 5CT PSL2 Seamless Welded Steel Pipe 　　Standard:API, ASTM, DIN, GB, JIS 　　Grade Group:10#-45#, 16Mn, Q195-Q345, ST35-ST52 　　Thickness:1 - 220 mm 　　Section Shape:Round 　　Outer Diameter(Round):6 - 2500 mm 　　Place of Origin:China 　　Application:Boiler Pipe 　　Technique:Cold Rolled 　　Certification:BV TUV 　　Surface Treatment:Black 　　Special Pipe:Thick Wall Pipe 　　Alloy Or Not:Non-alloy 　　Secondary Or Not:Non-secondary 　　Model Number:x52 x65 x70

　　 API 5L SSAW Welded Steel Pipe 　　Standard:API, BS, GB/T3091,API 5L and so on 　　Grade Group:10#-45#, Q195-Q345 　　Thickness:5 - 28 mm 　　Outer Diameter(Round):219 - 2020 mm 　　Place of Origin:China 　　Application:Fluid Pipe, Fluid transport and construction 　　Technique:SSAW 　　Certification:BSI 　　Surface Treatment:Galvanized 　　End protector:Plastic Pipe Cap 　　Special Pipe:API Pipe 　　Secondary Or Not:Non-secondary 　　Outer Diameter:219mm--2020mm 　　Wall Thickness:5mm--28mm 　　Length:1-12m 　　Port:Tianjin

　　 API 5L Spiral Welded Steel Pipe 　　Standard:API, GB 　　Grade:A53,16Mn,10#,45#,Q235,Q345 　　Thickness:5 - 25.5 mm 　　Section Shape:Round 　　Outer Diameter(Round):219 - 3820 mm 　　Place of Origin:China 　　Application:Fluid Pipe 　　Technique:ERW 　　Certification:API 　　Surface Treatment:Galvanized, black painting, anti-rust painting 　　Alloy Or Not:Non-alloy 　　Port:Tianjin

　　In order to improve the corrosion resistance of galvanized gteel hollow sections, galvanizing is applied to general galvanized gteel hollow sections. Galvanized gteel hollow sections has two kinds of obvious drop, hot galvanizing and galvanizing. The hot galvanizing and galvanizing layer is thick, the galvanizing cost is low, and the surface is not very smooth. Oxygen-blowing welded pipe: used as oxygen-blowing pipe for steelmaking, generally with small-caliber welded galvanized gteel hollow sections, specifications from 3/8-2 inch eight. In order to prevent corrosion of galvanized gteel hollow sections, some seamless steel oil casing pipe made of 08, 10, 15, 20 or 195-Q235 steel strip must be effectively aluminized. 　　In fact, in order to prevent  BS1387 75x75 ERW Galvanized Steel Hollow Sections  from rusting, we must first ensure that the surface and environment of galvanized gteel hollow sectionsis clean, otherwise it is easy to be corroded and produce chemical reacti...

　　The so-called oil pipeline number is also the batch number of oil pipeline that we often say. The pipe number of oil pipeline is prepared by the manufacturer, and each oil pipeline manufacturer has its own set of rules. 　　The pipe no. of 09 × g62 means the No. 62 oil pipeline of 1420 * 12 produced on the production line of line g in 2009. The pipe No. written by different manufacturers has different meanings. 　　The pipe number of the N ew Design API 5L X52 Oil Pipeline  is generally written by the pipe cutting post on the production line, and the corresponding number shall be written for each oil pipeline cut. When the quality inspector inspects the oil pipeline, he only needs to record the pipe number, and all the inspection data of the oil pipeline shall be written behind the corresponding pipe number. In the future, no matter the oil pipeline is not delivered from the factory, the construction is not carried out, or the pipe is welded For many years, as long as the pipe n...

　　With the increasing demand for carbon steel pipes in the market, carbon steel pipe manufacturers have significantly improved and improved their service quality. They are not only committed to the production of carbon steel pipe materials, but also to the operation and logistics to ensure that goods can be delivered to customers in good condition. This kind of thoughtful service makes the purchase easier. Carbon steel pipe generally refers to carbon steel pipe. This kind of pipe material can make necessary adjustment to the material selection and specific manufacturing process according to the actual needs of customers in the production process, so that the pipe material produced will have more significant advantages. 　　 30 Inch Sch40 Carbon Steel Pipe  has always been a kind of high utilization rate. No matter in building materials, pipeline transportation, or machinery manufacturing industry, we can see the figure of carbon steel pipe. As an intensive pipe material, the value...

　　Because the seamless steel pipe is round, when we say the specification of the seamless steel pipe, we all distinguish the specification of the seamless steel pipe by its diameter. 　　The outer diameter of seamless steel pipe is indicated by letter D. here we should pay attention to that the actual outer diameter data of seamless steel pipe is not equal to the nominal diameter. For example, the outer diameter data of DN200 seamless steel pipe is 219mm, and the outer diameter of DN300 seamless steel pipe is 325mm. 　　The diameter of  ASTM A53 4" Sch10s Seamless Steel Pipe  is divided into nominal diameter, outer diameter and inner diameter. The nominal diameter is also called nominal diameter. It is represented by the letter DN. For example, the nominal diameter of seamlesssteel pipe with a nominal diameter of 200 is DN200 seamless steel pipe. Generally, the nominal diameter will appear in the design drawing, so as to determine the structural dimension and joint dimension ...

　　Can L245 Galvanized Steel Pipe be replaced by Q235? The answer is No. 　　L245 and Q235 are both galvanized steel pipes, but they are different in performance and application range. 　　Q235 ordinary carbon structural steel is also called A3 steel. Ordinary carbon structural steel common plate is a kind of steel material. Q stands for the yield limit of this material. The latter 235 is the yield value of this material, which is about 235mpa. 　　The yield value will decrease with the increase of the thickness of the material. Due to the moderate carbon content, the comprehensive performance is better, the strength, plasticity and welding properties are well matched, and the  BS1387 2 Inch Galvanized Steel Pipe Supplier  most widely used. L245 galvanized steel pipe is a kind of galvanized seam steel pipe, which is made of steel rolling plate as raw material, often extruded and welded by automatic double wire double-sided submerged arc welding process.

　　The seamless steel boiler pipe can be used in pipeline, thermal equipment, mechanical industry, petroleum geological exploration, container, chemical industry and special purpose. 　　1.  ASME SA335 P11 Seamless Steel Boiler Pipe  are mainly used to manufacture water wall pipes, boiling water pipes, superheated steam pipes, superheated steam pipes for locomotive boilers, large and small smoke pipes, arch brick pipes, etc. 　　2.high pressure boiler pipe is mainly used to manufacture superheater pipe, reheater pipe, air pipe, main steam pipe, etc. of high pressure and ultra-high pressure boiler. The supply and demand trend of high-pressure boiler pipe industry is generally stable, but the supply and demand situation of various sub industries will be further differentiated. Industry insiders pointed out that the most critical link is the use and promotion of new energy-saving and heat preservation 20g high-pressure boiler pipe equipment. 　　3.New energy-saving 20g high-press...