Hunan greeat steel pipe co.,ltd.

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1. seamless steel pipes

1)Commodity: welded or seamless steel pipes ERW,SAW,SSAW,LSAW
2)Standard:GB/T3091 ,ASTM A53, DIN 2458 ,EN10217,API 5L ,JIS G3452,etc
3)Wall thichness: Sch5 to Sch 160XXS
4)Outer diameter: 219 to 4064MM
5)Packing:plastic caps or steel strips ...

2. spiral welded steel pipes

Spiral welded steel pipes
OD: 219--4064MM
WT: 3.2--40mm
L: 6--18Mtr

3. square and rectangular steel pipes

Square and rectangular steel pipe
GB/T3094 6728-2002 or ASTM A500 or EN10219
Specification:Q235 Q345 20# alloy
520*520*(5-30mm) 600*600*(5-30mm) 560*5605-30mm*
500*500*(5-30mm) 480*480*(5-30mm) 450*450*(5-30mm) ...