Reference Standards:
ASTM A500 Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes- GRADE A,B,C
ASTM A501 Hot-Formed Welded and Seamless Carbon Steel Structural Tubing- GR.A & GR. B
ASTM A847 Cold-Formed Welded and Seamless High-Strength, Low-Alloy Structural Tubing with Improved Atmospheric Corrosion Resistance
ASTM A1085 Cold-Formed Welded Carbon Steel Hollow Structural Sections (HSS),
EN 10219-1 Cold Formed Welded Structural Hollow Sections of Non-alloy and Fine Grain SteelsS235J0H, S355J2H
EN 10210-2 Hot Finished Structural Hollow Sections of Non-alloy and Fine Grain Steels- S235JRH,S275JO,S275NH,S275NLH,S355NH,S355NLH,S420NH,S420NLH,S460NH,S460NLHH,S275J2H,S355JOH,S355J2H, S355K2H,S275NH,S275NLH,S355NH,S355NLH,S420NH,S420NLH,S46INH,S460NLH
JIS G3466 Carbon steel square and rectangular tubes for general structure-STK 400,STK 490
AS/NZS 1163 Cold Formed Structural Steel Hollow Sections-250,250L0,350,350,350L0,450,450L0
