CERTIFICATIONS

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 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
CC AR 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