SHENGTIAN GLOBAL

　　Seamless steel pipe can be classified into the following categories according to their different uses: 　　GB/T8162-1999 (Seamless Steel Pipe for Structural Use). Mainly used in general structure and mechanical structure. Its representative materials (grades): carbon steel 20, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc. 　　GB/T8163-1999 (Seamless steel pipe for conveying fluid). It is mainly used for conveying fluid pipelines on engineering and large-scale equipment. Represents material quality (brand) 20, Q345, etc.For example,  ASTM A53 Gr.B Seamless Steel Pipe for Oil and Gas Pipeline  by Hebei Shengtian Group 　　GB9948-1988 (Seamless Steel Pipe for Petroleum Cracking). It is mainly used in boilers, heat exchangers and fluid pipelines of petroleum smelters. Its representative materials are 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, etc. 　　GB18248-2000 (Seamless Steel Pipe for Gas Cylinders). It is mainly used for making various gas and hydraulic cyl...

　　Seamless steel pipe manufacturers have reached 1.5 times the benchmark interest rate. Seamless steel pipe can be said that the pricing pattern of deposit interest rates with hierarchical, orderly and differentiated competition has basically taken shape. The further enlargement of the upper limit of floating range of deposit interest rate for seamless steel pipe manufacturers is another important measure for the market-oriented reform of deposit interest rate in China. This not only broadens the independent pricing space of seamless steel pipe financial institutions, but also helps to further exercise the independent pricing ability of seamless steel pipe financial institutions, accelerate the transformation of their business models and improve the level of financial services, lay a more solid foundation for the ultimate liberalization of the deposit interest rate ceiling, and help capital prices reflect the relationship between market supply and demand more truthfully, and promote th...

　　Galvanized steel pipe rust removing method 　　1. First, the surface of steel is cleaned by solvent, and the organic matter on the surface is removed. 　　2. Then use tools to remove rust (steel brush), loose or inclined scale, rust, welding slag, etc. 　　3. Use pickling method. 　　Welded connection 　　1.  ASTM A106 Sch 20 Hot Dip Galvanized Steel Pipe  nozzle is not in a straight line after butting and there is a problem of beveling in the steel pipe. It is suggested that the pipe nozzle should be cut off for a short period before processing. 　　2. After the butt of galvanized steel pipe orifice, the butt of two pipe orifices is not strict, resulting in uneven thickness of weld orifice; and the ellipse of pipe orifice caused by the collision of steel pipe due to its own reasons or transportation. It is suggested that the pipe head be cut off for a short period and then processed. 　　3. After the butt joint of galvanized steel pipe, there are zinc nodules at the pipe m...

　　Carbon steel pipes can be divided into hot-rolled and cold-rolled (drawn) steel pipes. 　　Hot rolled carbon steel pipes are divided into general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes. 　　Cold rolled (dialed) carbon steel pipes include general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes and other carbon steel pipes. They also include carbon thin-walled steel pipes, alloy thin-walled steel pipes, stainless thin-walled steel pipes and special-shaped steel pipes. The outer diameter of hot-rolled seamless pipe is generally larger than 32 mm, the wall thickness is 2.5-75 mm, the outer diameter of cold-rolled  ASTM A178 ERW Carbon Steel Pipe  can reach 6 mm, the wall thickness can reach 0.25 mm, the outer diameter of thin-walle...

　　Welded steel pipe has superior ductility, integrity and convenient construction operability, suitable for buried laying, can be used for overhead, river inverted rainbow and pipe jacking construction.welded steel pipe has the advantages of simple production process, high production efficiency, more varieties and specifications, and less equipment. 　　In the first half of this year, China's external demand  Q235 SSAW Welded Steel Pipe for Gas and Oil  was more severe, mainly because the Trump Administration of the United States implemented trade protectionism, and trade frictions against China increased. To this end, the solution of policy-making departments will be to further expand Welded steel pipe, in order to ensure the expansion of Welded steel pipe and achieve the annual economic growth target. For example, at the meeting of the Political Bureau of the Central Committee held in the previous period, four measures were put forward to promote economic growth, among whic...

　　          ASTM A335 P91 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 or acc. 　　Certificate:ISO9001, SGS,BV, etc

　　          EN 10025 S235JR Seamless Pipe 　　Outer Diameter: 6-150mm 　　Technique:Hot Rolled 　　Length: 1-6m or as Requested 　　Standard: GB3087 ,GB5310, ASME SA210 ,ASME SA213,DIN17175 　　Thickness: 0.5-10mm 　　Shape:Round 　　Term: Fob,CIF,CFR 　　Trademark: Shengtian 　　Application:Scaffolding pipe, Structure pipe, Boiler pipe 　　Origin:China

　　          ASTM A106 Gr B 12 Inch Seamless Pipe 　　Technique: Cold Drawn 　　Surface Treatment: Oiled 　　Section Shape: Round 　　Outer Diameter: 6mm-325mm 　　Trademark: Shengtian 　　Specification: 6-325MM 　　Type: Seamless 　　Material: Carbon Steel 　　Usage: Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration 　　Thickness: 3-36mm 　　Origin: China

　　 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 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

　　 　　 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

　　Threaded flange is a kind of non-welded flange, which processes the inner hole of flange into pipe thread and connects with threaded pipe. Compared with flat welded flange or butt welded flange, threaded flange has the characteristics of convenient installation and maintenance, and can be used in some pipelines where welding is not allowed. Alloy steel flange has enough strength, but it is not easy to weld, or the welding performance is not good, also can choose threaded flange. However, when the temperature of the pipeline changes sharply or the temperature is higher than 260 C and lower than - 45 C, it is recommended not to use the threaded flange to avoid leakage. 　　When the thread type of the  ANSI RF 304L Carbon Steel Forged Threaded Flange  is 55 pipe threads according to GB7306, the outer diameter of the steel pipe for DN150 flange should be 165.1 mm. When using 60 conical pipe threads, the outer diameter of steel pipe for DN65 flange should be 73 mm, and that for D...

　　IF is used to represent the integral flange in various domestic standards. It is mostly used in pipes with high pressure. The production process is generally casting. In the type of flange, an IF is used to represent the type of integral flange. Generally, Weld neck flanges is a protruding surface (RF). If Weld neck flanges is used in flammable, explosive, high and extremely harmful working conditions, Weld neck flanges is possible to choose the form of convex concave surface (MFM) and tenon groove surface (TG) seals besides the RF surface. 　　Weld neck flanges is used in conjunction with valves, pumps and other equipment. When welded to the pipeline, its tail joint size is the same as the external diameter and wall thickness of the corresponding pipeline, it can be directly butt-welded. Standards and Classification of  GOST 12821-80 PN6 RF Welded Neck Flange : Common Production Standards: Ministry of Chemical Industry Standard HG/T 20592-2009, HG/T 206115-2009, National Standar...

　　Socket flanges is mainly used for butt welding of flange and pipe.Socket flanges are structure is reasonable, strength and stiffness are large, and  Socket flanges can withstand high temperature, high pressure, repeated bending and temperature fluctuation. 　　Knowledge of  Galvanized Weld Screwed Stainless Steel Socket Flanges .Socket flanges is a kind of flange with neck and pipe transition and  Socket flanges with pipe, which is a kind of pipe fittings. The advantages of  socket flanges are anti-corrosion, acid and alkali resistance, long service life, and reasonable price calculation, smooth surface, acid and alkali resistance and high temperature resistance. Socket flanges has the characteristics of not easy deformation and good sealing.Socket flanges  can be used on pipelines with large fluctuation of pressure or temperature, or on pipelines with high temperature, high pressure and low temperature, or on pipelines with expensive, flammable and explosive ...

　　Plate flange is a flange product with good process characteristics and performance. Plate flange can show good value and function in use, and overcome the shortcomings of traditional butt welding flange. Plate flange has many advantages: standard flange not only saves space and reduces weight, but also ensures that the joint does not leak. 　　What are the characteristics of large-caliber plate flange connection: the primary characteristics of flange connection are easy disassembly, high strength and good sealing performance. When installing flange, two flanges are requested to adhere to parallel, flange sealing surface can not be damaged, and to clean up. Gaskets used for flange should be selected according to planning rules. Plate flange is processed by high-temperature quenched abrasive steel lathe. In high pressure flange, butt welding flange series is generally used. The steel  ANSI A106 DN200 Stainless Steel Plate Flange  is a flange made by cutting and blanking the ho...

　　Blind high-pressure flange is a common connection device for two pipelines, usually two blind flanges with a number of fastening bolts. Flanged connections may have to withstand high tensile, compressive, torsional and shear strength. Generally used in pipelines, in that case, loosening bolts can rotate both sides of the pipeline, and then tightening can be more convenient to disassemble and assemble the pipeline material is carbon steel blind flange. Large blind flange connection method is also a simple connection method between cast iron pipe and steel pipe. 　　Blind high pressure flange is a kind of blind plate. The normal name of  BS4504 PN16 Stainless Steel Forged Blind Flange  is flange cover, and some are also called blind flange. It is a flange with no holes in the middle and is used to seal the pipe mouth. The function is the same as the head and cap, but the blind seal is a detachable sealing device, and the seal of the head is not ready to open again. There are m...

　　Product name: Stainless Steel Pn16 DIN Forged Threaded Flange 　　Type: Threaded Connection Flange 　　Structure: Round 　　Sealing Surface: FM 　　Size: Dn100-2000mm 　　Transport Package: Wooden Package and Steel Package 　　Origin: China 　　Standard: ANSI, DIN, GB, JIS 　　Material: Alloy Steel 　　Connection: Flanged 　　Manufacturing Way: Forging 　　Trademark: Shengtian 　　Specification: various size Flange  Standard American Standard ASME B16.5 , ASME B16.47 , ANSI B16.5 , API605 , AWWA C207 Japanese Standard JIS / KS 5K / 10K / 16K / 20K / 30K German Standard DIN2527 , 2528 , 2561 , 2565 , 2566 , 2573 , 2576 , 2627-2638 , 2641 , 2642 , 2655 , 2656 , 2673 , 86029 British Standard BS4504 PN16 / 25 / 40 , BS10 TABLE E / TABLE D Italian Standard UNI 2253 , 2254 , 2276 , 2278 , 2281 , 6084-6093 China Standard GB/T 13402-92 , GB/T9112-9124-2000 , HG5010-5028

PIC-(ANSI B16.5 Forged Carbon Steel Threaded Flanges) 　　Product name: ANSI B16.5 Forged Carbon Steel Threaded Flanges 　　Structure: Flanges 　　Sealing Surface: RF 　　Class: 150#-2500# 　　Steel Grade: A182 A105 　　Trademark: Shengtian 　　Specification: ANSI 　　Standard: ANSI, DIN, GB, JIS, GOST, BSW 　　Material: Carbon Steel 　　Connection: Screws 　　Manufacturing Way: Forging 　　Size: 1/2" to 24" 　　Transport Package: Plywooden Case or Pallet 　　Origin: China   Materials Carbon Steel: ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH and so on P250GH, P280GHM 16MN, 20MN ,20# Stainless Steel: ASTM A182, F304/304L, F316/316L and so on Alloy Steel: A182 F11, A182F22, A182F12, A182 F5, A182F91, A182 F9 and so on Types Slip On Plate Flange/Plate...

　　 API605 Carbon Steel Threaded Flange 　　Material: Carbon Steel 　　Connection: Flanged 　　Manufacturing Way: Forging 　　Trademark: Shengtian 　　Specification: Class 150-900 　　Type: Slip-on Flanges 　　Structure: Flanges 　　Sealing Surface: RF 　　Package:1.bubble bags inside with each piece, outside with plywood cases 　　2.Special requirements according to customers' asking 　　The Application: Water, Oil, Gas and Plumbing 　　Transport Package: Pallet 　　Origin: China   Standard ASME Class 150 Flanges-Class 2500 Flanges   DIN 6Bar 10Bar 16Bar 25Bar 40Bar   JIS 5K Flanges-30K Fla   nges   UNI 6Bar 10Bar 16Bar 25Bar 40Bar   GOST PN6 PN10 PN16 PN25 PN40 PN63   API 2000PSI 3000PSI 5000PSI 10000PSI 15000PSI   EN 6Bar 10Bar 16Bar 25Bar 40Bar TYPE 1.Welding neck Flange 2.Slip on ...

　　 300lb ASME B16.5 A182 F321 Threaded Flange 　　Type: Welding Flange 　　Structure: Flanges 　　Sealing Surface: RF 　　Pressure: ANSI:150bls-2500bls,DIN/En/Uni:Pn6-Pn40,JIS:10k,16 　　Trademark: Shengtian 　　Specification: 1/2"-100", SCH5-160 　　Standard: ANSI, DIN, GB, JIS, GOST, BSW 　　Material: Stainless Steel 　　Connection: Welding 　　Manufacturing Way: Forging 　　Surface: Rust-Proof Oil, Black, Yellow, Galvanized 　　Transport Package: Standard Export Seaworthy Package 　　Origin: China

　　 ASTM A105 Carbon Steel Threaded Flange 　　Size:1/2"-72" 　　Origin:China 　　Pressure:150bls-2500bls 　　Packing:Plywood\wooden Pallets 　　Surface Painting: Black, Anti-Rust Oil, Varnish 　　Application: Gas/Oil/Chemical/Shipbuilding 　　Manufacturing Way: Forging 　　The Third Party Inspection: Available 　　Wall thickness:STD, SCH40, SCH80, SCH160. SCHXXS 　　Trademark: Shengtian

　　 ANSI B16.5 Forged Stainless Steel Threaded Flanges 　　Type: Threaded Connection Flange 　　Structure: Flanges 　　Sealing Surface: RF 　　Class: 150#-2500# 　　Steel Grade: A182 A105 　　Trademark: Shengtian 　　Specification: ANSI 　　Standard: ANSI, DIN, GB, JIS, GOST, BSW 　　Material: Stainless Steel 　　Connection: Screws 　　Manufacturing Way: Forging 　　Size: 1/2" to 24" 　　Transport Package: Plywooden Case or Pallet 　　Origin: China

　　 ASME B16.36 Class 600 Stainless Steel Threaded flange 　　Type: Welded or Threaded Connection 　　Structure: Round 　　Sealing Surface: RF 　　Kind: So,Wn,Lap Joint,Blind,Socket,Threaded Ect 　　Material and Grade: Carbon Steel A105,A234wpb Ect 　　Transport Package: Wooden Case 　　Origin: China 　　Standard: ANSI, DIN 　　Material: Stainless Steel 　　Manufacturing Way: Forging 　　Sealing Face: RF,Rtj,FF Ect 　　Trademark: Shengtian 　　Specification: API

　　 ASTM A182 316L RF Stainless Steel Threaded Flange 　　Structure: Round 　　Sealing Surface: RF 　　Trademark: Shengtian 　　Specification: API, ISO 　　Standard: ANSI, DIN, GB, JIS 　　Material: Stainless Steel 　　Connection: Threaded 　　Manufacturing Way: Forging 　　Pipe Fitting: ISO9001 　　Transport Package: Pallet, Wooden Case 　　Origin: China

　　 ANSI B16.47 Class 150-2500 Threaded Flanges 　　Type: Threaded 　　Structure: Round 　　Sealing Surface: MFM 　　Certificate: API 5L 　　Trademark: Shengtian 　　Specification: API, ISO 　　Standard: ANSI, DIN, GB, JIS 　　Material: Stainless Steel 　　Connection: Screws 　　Manufacturing Way: Forging 　　Pipe Fitting: ISO9001 　　Transport Package: Pallet, Wooden Case 　　Origin: China

　　 SS316 Seamless Stainless Steel Pipe Fitting Tee 　　Place of Origin:China 　　Brand Name:Shengtian 　　Model Number:1-2"-48" 　　Material:SS304 SS316 　　Technics:Casting & Forged 　　Shape:Equal & Reducing 　　Head Code:Square 　　Application:Fire, oil pipelines 　　Model:Customized 　　Surface treatment:High Polished 　　Wall thickness:1-150mm 　　Transport Package: in Wooden Boxes or Customers′ Request 　　Port:Tianjin

　　The forming process of stainless steel tees has the characteristics of beautiful appearance, uniform wall thickness and continuous operation, which is suitable for mass production. Therefore, it has become the main forming method of carbon steel and stainless steel tees, and also applied to the forming of stainless steel tees of some specifications. 　　The heating modes of  ASTM A312 316L Sch40 Stainless steel Tee  forming process include medium frequency or high frequency induction heating (heating ring can be multiple or single loop), flame heating and reflex furnace heating. The heating mode depends on the product requirements and energy conditions. 　　Classification of stainless steel tees. 　　Classification by pipe diameter 　　1. Stainless steel tees with the same diameter: Stainless steel tees with the same diameter of main pipe and branch pipe 　　2. Stainless steel tees with different diameter: Stainless steel tees with branch pipe diameter smaller than main pipe...

　　Stainless steel reducers material assurance, product surface is good, accurate size, surface is generally pickled surface. Stainless steel reducers have excellent corrosion resistance, heat resistance, low temperature strength and mechanical properties. Stainless steel reducers are widely used in petroleum, chemical, food, light industry, mechanical instruments and other industrial transportation pipelines and mechanical structural components. Reminder: Corrosion resistance in the atmosphere, if it is industrial atmosphere or industrial heavily polluted areas, it is necessary to clean in time to avoid corrosion. 　　Stainless steel reducers 76*45*3, also known as large and small head, is one of the industrial pipe fittings, which is used for connecting two different pipe diameters. It can be divided into concentric and eccentric heads. The material of  ANSI B16.9 Eccentric Stainless Steel Pipe Fitting Reducer  includes 304, 304L, 316, 316L stainless steel. Variable-diameter ...

　　1. Stainless steel elbows stored for a long time should be inspected as scheduled. Often, the exposed processing appearance should be kept clean, dirt should be removed, and stored neatly in places where indoor ventilation is dull. Stacking or open storage are prohibited. Often adhere to the dull and ventilated stainless steel elbow, adhere to the cleanliness and tidiness of the device, in accordance with the accurate storage method. 　　2. When equipping,  ANSI B16.9 Sch40 90 Degree Stainless Steel Elbow  can be directly equipped on pipelines by connecting method and equipped according to the position used. Generally, the equipment can be in arbitrary position in the pipeline, but need to be easy to operate the inspection, pay attention to cut-off stainless steel elbow media flow should be under the longitudinal valve disc upward flow, stainless steel elbow can only be horizontal equipment. Stainless steel elbows should be carefully sealed in equipment to avoid leakage and ...