2014年4月7日星期一

Standard classification and stainless steel sheet coil

4-1 grade:
National Standard GB ② ① industry standard YB ③ ④ local standard enterprise standard Q / CB
4-2 Category:
① ② product standard packaging stainless steel sheet coil method standards ③ ④ basic standards
4-3 standard level (of three):
Y class: the international advanced level class I: International general level H level: advanced level
4-4 GB
GB1220-84 stainless steel rods (I grade) GB4241-84 stainless steel plate welded Park (H level)
GB4356-84 stainless steel plate welded Park (I-level) GB1270-80 stainless steel pipe (Class I)
GB12771-91 304 stainless steel coil pipe (Y class) GB3280-84 stainless steel cold (I class)
GB4237-84 stainless steel hot plate (I grade) GB4239-91 stainless steel cold strip (I class)

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