ASTM A519 Grade 4140 Steel Tubing
Dimensions:ASTM, ASME and API
Size :1/8″NB TO 30″NB IN
Thickness:0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm.
ASTM A519 4140 alloy steel pipe is a seamless alloy steel pipe, mainly used for petroleum mechanical processing, such as oil exploration equipment, drilling equipment, mechanical oil production equipment, oil drilling equipment and accessories, and oil and gas gathering and transportation complete sets.
What material is 4140 steel pipe?
Belongs to alloy structural steel. 4140 is an American grade of steel equivalent to my country's 42CrMo grade. This type of steel is a medium-hardenability steel with a carbon content of 0.33%-0.48%, a tensile strength of 795 MPa, a hardness of 241HB, etc., and has a high yield rate , with the advantages of good comprehensive mechanical properties, good strength, good toughness, and high hardenability, it can be used to make steam turbine fasteners, fishing tools, etc.
ASTM A519 Grade 4140 Alloy Steel Tubing Chemical Resistance Guide
| C | Mn | P≤ | S≤ | Si | Cr | Mo |
|---|---|---|---|---|---|---|
| 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
ASTM A519 4140 Alloy Steel Tubing Mechanical Properties Table
| Condition | Tensile Strengtd Rm (Mpa) | Yield Strengtd R2 (Mpa) | Elongation in 2 in or 50 mm A(%) | Rockwell, Hardness B Scale |
|---|---|---|---|---|
| HF(Hot Finished) | 855 min (120 ksi) | 621 min (90 ksi) | 15 min | 100 |
| SR(Stress Relieved) | 855 min (120 ksi ) | 689 min (100 ksi) | 10 min | 100 |
| A(Annealed) | 552 min (80 ksi ) | 414 min (60 ksi) | 25 min | 85 |
| N (Normalized) | 855 min (120 ksi ) | 621 min (90 ksi) | 20 min | 100 |
| Q+T (Quenched and tempered.)AS your requirements | ||||
Alloy Steel AISI 4140 Round Tubes
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