ASTM/ JIS/ DIN seamless petroleum steel pipe Mar. 17, 2011 3:07:19
Grades: 304, 304L, 316, 316L, 321, TP347, 310S, 2520
Standards: GB, ASTM/ ASME, JIS, and DIN, etc.
Sizes: " OD" 6-273mm
" WT" 0.6-20mm
process method: cold draw/ cold pilgered
surface finish: ....
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