ASTM A519 Carbon Seamless Steel Pipes
Delivery Time:
7-20 days
Section Shape:
Round
Supply Ability
5000 Ton/Tons per Month
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ASTM A519 Carbon Seamless Steel Pipes
ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing. The standard is also acceptable in pipe manufacturing. It is a manufacturing method in which steel is hot-worked and then cold-finished into round, square, rectangular, or shaped shapes.
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Name |
ASTMA519 carbon seamless steel pipes |
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Standard |
DIN2391, EN10305, ASTM A519, GB/T 3639-200 etc |
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Material |
Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C |
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Heat treatment |
high frenquency , or Q&T （Quenching&Temperning) |
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Specification |
Outer diameter(mm) |
Inner diameter(mm) |
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40-480mm |
30-400mm |
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I.D Tolerance |
H8-H9 |
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Length |
Fixed Length, Random Length(3--9m)or as requests of customers |
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Straightness |
0.5-1/1000 |
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ID roughness |
RA 0.1-0.8micron(max) |
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Technology |
Honed & SRB(SKIVED AND ROLLER BURNISHED ) |
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Scope |
Honed tube for hydraulic cylinder, swivel crane, injection machine |
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Chemical composition (%) of ASTM A519
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| 1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.050 | - | - | - |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.050 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.050 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Mechanical Properties of ASTM A519
| Grade | Condition | MPa Tenslle Point | Yield Point | Elongation |
| 1020 | CW |
≥414 |
≥483 | ≥5% |
| SR | ≥345 | ≥448 | ≥10% | |
| A | ≥193 | ≥331 | ≥30% | |
| N | ≥234 | ≥379 | ≥22% | |
| 1025 | CW | ≥448 | ≥517 | ≥5% |
| SR | ≥379 | ≥483 | ≥8% | |
| A | ≥207 | ≥365 | ≥25% | |
| N | ≥248 | ≥379 | ≥22% | |
| 4130 | SR | ≥586 | ≥724 | ≥10% |
| A | ≥379 | ≥517 | ≥30% | |
| N | ≥414 | ≥621 | ≥20% | |
| 4140 | SR | ≥689 | ≥855 | ≥10% |
| A | ≥414 | ≥552 | ≥25% | |
| N | ≥621 | ≥855 | ≥20% |
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