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

* : 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.