| About us |
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.
SZTSP with investment RMB 106 million, was founded in 2001 and occupies a site space 86,000 sq. meters and building area 12,600 sq. meters. We established automatic PLC control production line and perfect Measuring &test center.
Quality control: Charpy Impact test, Automatic Tensile Test, Chemical Analysis, Metallographic Examination, Hardness Test, Flattening Test, Hydrostatic test, UT,etc. |
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| Products/Services | HFW / ERW steel pipe.
OD: 5-1/2-13 3/8"(139.7-339.7mm);
Wall thickness: 0.203-0.5"(5.2-12.7mm),
Steel grade:A,B,X42-X70, H40, J55,K55,Q235B,20#,Q345;
Standards: API spec 5L, API 5CT, ISO 9001-2000.
Annual output is 120thausand tons. |
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