hunan standard steel co.,ltd.

hunan standard steel(1)

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erw steel pipes
Specification: ERW STEEL PIPES
Detail: ERW STEEL PIPES/ERW CARBON STEEL PIPES <a href="www.hu-steel.com">ERW STEEL PIPES</a> Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Process: ERW (Electric Resistance Welded) HFI (High Freq...

mechanical seamless steel tubing
Specification: MECHANICAL SEAMLESS STEEL TUBING
Detail: MECHANICAL SEAMLESS STEEL TUBING <a href="www.hu-steel.com">MECHANICAL SEAMLESS STEEL TUBING</a> Usage: Applicable to the general structure, mechanical structure with seamless steel pipes. Quality Standard: API 5L ...

lsaw steel pipes
Specification: LSAW STEEL PIPES
Detail: LSAW STEEL PIPES Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Process: LSAW (Longitudinal Submerge-arc Welded) UO(UOE)¡¢RB(RBE)¡¢JCO(JCOE) DSAW (Double Submerged arc welded) Quality Sta...

saw steel pipes
Specification: SAW STEEL PIPES
Detail: SAW STEEL PIPES Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Process: SAW(SAWL,SAWH): Spiral Welded SSAW: Spiral Submerged-arc Welded Quality Standard: GB/T3091 Welded steel pipe for l...

erw steel pipes
Specification: ERW STEEL PIPES
Detail: ERW STEEL PIPES/ERW CARBON STEEL PIPES Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Process: ERW (Electric Resistance Welded) HFI (High Frequency Induction) EFW(ELECTRIC FUSION WELDED TU...


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