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SZTSP,SZTSP AT SZTSP DOT CN, is a manufacturer of HFW / ERW steel pipe. OD: 5-1/2(139.7)～13-3/8 inch(339.7mm);Wall thickness: 0.138(3.8)～0.5 inch (12.7mm), Steel grade:A,B,X42-X70, H40, J55,K55;Standards: API spec 5L, API 5CT, ISO 9001-2000. annual output is 120thausand tons.So far, our factory has produced 350,000ton casing pipe and 800,000ton line pipe to Shengli, Daqing, Liaohe, Xinjiang oilfields, which are belong to SINOPEC Group.
We also provide with ERW pipe to other industries. For low pressure liquid delivery, we have fluid pipe grade Q235B, GB/T3091-2008, for mine liquid service, we have pipe with standard GB/T 14219-2006.
China [CN] 
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