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China |
c We now offer all-range dimension and various steel grade with standard ASTM, DIN, EN for sales. Seamless Steel Pipes
Standerd??/span>GB8162(structural pipe), GB8163(fluid pipe),GB3087-99(boiler pipe), GB5310-95(boiler pipe for high pressure), GB6479-2000(fertilizer special pipe), GB9948-88(petroleum cracked pipe), DIN17175-95(German standard), ST45.8111, SA106B etc, foreign standard
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