HCT490X+ZA steel hot dip Zinc-aluminium coated steel
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Ask:What's HCT490X+ZA steel ?
ANSWER:HCT490X is a steel grade in European standard EN10346, HCT490X+ZA is dual-phase quality steel material for cold forming (the steel consisting of mainly ferrite and martensite and possible bainite as a complementary phase ),
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