The product is made from ordinary carbon structured and high quality carbon structured steels via cold-rolled,it applys to pack the ware which is in the biggish humidity ground and outdoor long-time.
Mechanical properties:
1、Ordinaty steet:tensile strength>58-70kg/mm2,elongation>3－5％。
2、High quality steet:tensile strength>80-90kg/mm2,elongation>5－10％。
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