A516 Gr.70 HIC tested plate is a carbon steel plate which has been further tested to demonstrate that it is resistant to hydrogen induced cracking. The maximum thickness of A516 Gr.70 HIC plates is limited only by the capacity of the composition to meet the specified mechanical property requirements. The steel shall be killed and shall conform to fine austenitic grain size requirements. A516 Gr.70 steel is mainly used for pressure vessel and boiler, oil and gas as well as petrochemical industries.
A516 Gr.70 HIC Tested Plates Specification
Width:1000mm-4500mm
Thickness: 5mm-150mm
Length: 3000mm-18000mm
Supply Condition: As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement
Impact tested: -52° C
Tempering: Notch toughness can be improved by quenched cooling from hot rolling or normalizing by the supplier. If such a faster cooling rate is agreed upon between purchaser and supplier then the steel is also to be tempered at 1200 F.
Applications: A516 Gr. 70 HIC test plates are used for weld fabrication of pressure vessels that require improved notch toughness for lower than ambient temperature service.
The actual mechanical properties such as tensile strength, yield strength, and elongation shall be determined by a tension test for the plates.
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