STANDARDS
For raw materials |
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For tube manufacturing |
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We certify our products based on the ASTM (American Society for Testing and Materials) regulations; we guarantee their dimensions and properties.
For raw materials |
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For tube manufacturing |
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MECHANICAL PROPERTIES OF THE STEEL | ASTM A-513 | ASTM A-500 | ||||||
Commercial Quality | High Resistance | Round Tubes | Square and rectangular | |||||
Type 1a, 1b and 2 | HSLA G50 | Grade A | Grade B | Grade C | Grade A | Grade B | Grade C | |
Tension effort, Min, Psi [MPa] |
42 000 [290] |
65 000 [448] |
45 000 [310] |
58 000 [400] |
62 000 [425] |
45 000 [310] |
58 000 [400] |
62 000 [425] |
Yield effort, Min, Psi [MPa] |
30 000 [207] |
50 000 [345] |
33 000 [230] |
42 000 [290] |
46 000 [315] |
39 000 [270] |
46 000 [315] |
50 000 [345] |
Elongation in 2 inches [50mm], min% |
15 | 22 | 25 | 23 | 21 | 25 | 23 | 21 |
CQ | HR | GA | GB | GC | GA | GB | GC |
* : Typical Values.
1a: A.W.H.R. “as welded” from hot-rolled steel (with mill scale).
1b: A.W.P.O. “as welded” from hot-rolled pickled and oiled steel (mill scale removed).
2: A.W.C.R. “as welded” from cold-rolled steel.