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Cold formed A500 Grade B rectangular tube and A500 Grade A rectangular tube supplying
Source:Xin Steel Industry Date:2021/06/30
Cold formed A500 Grade B rectangular tube and A500 Grade A rectangular tube comes from A500/A500M standard specification for welded and seamless carbon steel structural tubing in rounds and shapes.For these A500 Grade A steel tubes,Packing,Marking and loading methods for shipments comply to ASTM A700 specification,Test methods and definitions for mechanical testing for A500 Grade B rectangular tube according to ASTM A370 standard.
A500 Grade B rectangular tube and A500 Grade A rectangular tube shall be made from processing of basic-oxygen or electric-furnace.Besides these two grades tubes,in ASTM A500/A500M standard,there are A500 Grade C rectangular tube and A500 Grade D rectangular tube.A500 Grade C rectangular tube owns the highest yield strength and tensile strength.
A500 Grade B rectangular tube and A500 Grade A rectangular tube in chemical composition and mechanical property:
A500 Grade B and A500 Grade A Chemical composition: Heat Analysis Max% Standard Grade C Mn P S Cu min. A500/A500M A 0.26 1.35 0.035 0.035 0.20 A500/A500M B 0.26 1.35 0.035 0.035 0.20 Mechanical Properties: Yield strength Tensile strength Mpa Min. Mpa Min. A500/A500M A500 Grade A 270 310 A500/A500M A500 Grade B 315 400