Quality

/ Regulations

Regulations

We certify our products based on the ASTM (American Society for Testing and Materials) regulations; we guarantee their dimensions and properties.
 
For Raw Materials » Hot rolling: ASTM A 1011
» Cold rolling: ASTM A 1008
» Galvanizing: ASTM A 653
For tube manufacturing » ASTM A 500
» ASTM A 513
» ASTM A 787
 
 
 
Mechanical
properties
of the steel
  ASTM A-513   ASTM A-500
Commercial Quality High Resistance Round Tubes Square and rectangular
Type 1a, 1b y 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
CC AR GA GB GC GA GB GC
  1a: Hot rolling without stripping    I   1b: Stripped hot rolling   I    2: Cold rolling   I   HSLA: High-strength low-alloy 10