Cold Drawn Square Steel Pipes, Available in 15 x 15 to 400 x 400mm, with 1 to 12m Length
冷拔方形钢管，15 x 15至400 x 400mm，长度为1至12m
- 尺寸：15 x 15至400 x 400mm
- 厚度：0.6〜10mm
- 长度：1至12m
- 工艺方法：冷拉，高频焊接
- 钢种：q195，q215，q345，astm a500和astm a53
- 制造符合ISO 9001，ASTM，DIN，BS，GB和JIS要求
- 耐腐蚀和耐高温黑色漆
- 所有生产工艺严格按照ISO 9001：2008标准生产
- Dimensions: 15 x 15 to 400 x 400mm
- Thickness: 0.6 to 10mm
- Length: 1 to 12m
- Process method: cold drawn, high-frequency welded
- Steel grades: Q195, Q215, Q345, ASTM A500 and ASTM A53
- Manufacture to meet ISO 9001, ASTM, DIN, BS, GB and JIS requirement
- Anti-corrosion and high-temperature resistance with black painting
- All the production process are made under the ISO 9001:2008 strictly
