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ASTM A519 Seamless steel pipe covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished.The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties.
Good seamless performance: Seamless steel pipes are manufactured through continuous rolling and multi-pass steel pipe walls being seamlessly shaped. In this way, the performance of the raw materials can be fully utilized to achieve more uniform mechanical properties. At the same time, the steel pipe wall is also smoother and better surface treatment effect can be obtained. This is also a particularly important point in the use of steel pipes.Good heat treatment effect: Compared with other types of steel pipes, steel pipes have better results during the heat treatment process, because the purity of seamless steel pipes is higher, and various deformation and stress problems of the steel pipe wall can also be better handled. Therefore, during the heat treatment process, the steel pipe has higher strength and is less prone to thermal cracks and other heat mark problems, ensuring the stability and safety of the steel pipe in use.Excellent mechanical properties: Seamless steel pipe has better mechanical properties. Its tensile strength is higher than some other types of steel pipes, and its yield strength and elastic modulus far exceed that of other types of steel pipes. types of steel pipes. These are the excellent properties brought about by seamless performance and are also the main factors why steel pipes are widely used in various industries.Better quality: Since the manufacturing process of steel pipes is not prone to defects and other complex problems, its yield rate is much higher than that of other types of steel pipes, which ensures that the overall quality of the steel pipes is higher than other steel pipes. One floor, more reliable and stable.Better adaptability: It has better adaptability in use. Not only can it be used in mechanical processing and construction projects in various industries, it also has good performance in transporting petroleum gas and chemicals. At the same time, the scope of use of steel pipes is also very wide, which can meet a variety of different needs, ensuring the convenience and flexibility of its use.| Speci -cation | Grade | Chemical Composition [%] | ||||||||||||||
| C | Mn | P | S | Si | Cr | Mo | Cu | Ni | V | |||||||
| Min | Max. | Min | Max. | Max. | Max. | Min. | Max | Min. | Max | Min. | Max | Max | Max | Max | ||
| ASTM A-519 | SAE 1010 | 0.08 | 0.13 0.20 | 0.3 | 0.6 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - |
| SAE 1018 | 0.15 | 0.28 | 0.6 | 0.9 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 1026 | 0.22 | 0.38 | 0.6 | 0.9 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 1035 | 0.32 | 0.44 | 0.6 | 0.9 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 1040 | 0.37 | 0.21 | 0.6 | 0.9 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 1518 | 0.15 | 0.44 | 1.1 | 1.4 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 1541 | 0.36 | 0.33 | 1.35 | 1.65 | 0.04 | 0.05 | - | - | - | - | - | - | - | - | - | |
| SAE 4130 | 0.28 | 0.4 | 0.6 | 0.04 | 0.04 | 0.15 | 0.35 | 0.8 | 1.1 | 0.15 | 0.25 | - | - | - | ||
| Speci -cation | Grade | Mechanical Properties | |||||
| Yield Strength | Tensile Strength | % Elongation (G.L. 50 mm WT 8 mm) e (min.) | |||||
| Min. | Min. | ||||||
| PSI | MPa | PSI | MPa | ||||
| ASTM A-519 | SAE 1010 | As per Customer requirements | |||||
| SAE 1018 | |||||||
| SAE 1026 | |||||||
| SAE 1035 | |||||||
| SAE 1040 | |||||||
| SAE 1518 | |||||||
| SAE 1541 | |||||||
| SAE 4130 | |||||||
Production Range | Outer Diameter:10-120mm (0.4 inch - 4.7 inch) |
Wall Thickness:1-20mm (0.04 inch - 0.78 inch) | |
Material / Grade | Carbon Steel: GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53 JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C |
Alloy Steel: GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND) ASTM A519: 5120, 5140, 4130, 4135, 4140 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5 JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420 | |
Tolerance | Tolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirements |
Technique | Cold Drawn / Cold Rolled |
Shape | Round |
Further Processing for Steel Tubes | Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking |
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| ASTM A53 Seamless Steel Pipe | EN 10216-1 Seamless Steel Pipe |
| ASTM A106 Seamless Steel Pipe | EN 10216-2 Seamless Steel Pipe |
| ASTM A333 Seamless Steel Pipe | DIN 2391 Seamless Steel Pipe |
| ASTM A334 Seamless Steel Pipe | ASTM A-519 Seamless Steel Pipe |
| EN 10305-1 Seamless Steel Pipe | ASTM A179 Seamless Steel Pipe |
| EN 10305-4 Seamless Steel Pipe | ASTM A192 Seamless Steel Pipe |
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