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Tel : 0086-0371-86172891
ASK:
ANSWER: EN 10268 steel specification is the cold rolled steels flat products with high yield strength for cold forming.
The applicable thickness of HC220B steel strip is not more than 3mm.
HC220B steel delivery under steel sheet, wide strip, slit wide strip, narrow strip or cut lengths obtained from slit wide strip, narrow strip or sheet.
HC220B is steel that demonstrate a defined increase in proof strength following heating in the region of 170°C for 20 minutes.
The steel No. Of HC180B is 1.0396
The carbon composition of HC220B is not more than 0.05%.
The yield strength of HC220B is 220-270MPa, tensile strength is 320-400MPa, Elongation A80 is min 32% , Plastic strain ratio is min 1.5, strain hardening exponent is min 0.16. Increase in proof strength after heating: min 35Mpa
