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Steel hollow section can be mainly divided into round hollow section, rectangular hollow section and square hollow section.
Rectangular and square carbon steel tube are widely used in various fields such as construction or building, low pressure liquid delivery, engineering, fencing,greenhouse etc.
Surface of steel hollow section generally are black or galvanized, galvanized Steel tube has good features of corrosion resistance, anti-rust, acid resistance, which largely extend its service life.
1. Indroduction of us
| TFCO: a professional manufactuer and trading combo with 20 years experience |
| Main products: Steel pipe, Rectangular&Square Tubes, Scaffolding Planks, Steel Props, other steel processed goods |
| Annual expoet volume: more than 70,000 tons |
| Main market: Mideast, Southeast Asia, Australia, UK, etc. |
2. Products discription
| Description | Square & Rectangular Hollow Section | ||||
| Specification | Size:20*20 - 400*400 Thickness: 0.6mm-10mm Length: max 12m | ||||
| Material | Q195, Q235, Q345, S235 ,S355, ASTM A500, STK500, A53 GR A/B | ||||
| Standard | GB T3094, EN10219, ASTM A500 | ||||
| Surface | black, oiled HD galvanized pre galvanized | ||||
| Zinc Coating | 180-600g HD galvanized 40-120g Pre galvanized | ||||
| Hollow shape | square or rectangular | ||||
| Treatment | hot rolled or cold rolled | ||||
| Payment terms | mainly TT or LC | ||||
| Certification | ISO, SGS, BV other third party testing | ||||
| Business type | manufacture supplier | ||||
3. Pictures of steel hollow section
Steel hollow section can be mainly divided into round hollow section, rectangular hollow section and square hollow section.
Rectangular and square carbon steel tube are widely used in various fields such as construction or building, low pressure liquid delivery, engineering, fencing,greenhouse etc.
Surface of steel hollow section generally are black or galvanized, galvanized Steel tube has good features of corrosion resistance, anti-rust, acid resistance, which largely extend its service life.
1. Indroduction of us
| TFCO: a professional manufactuer and trading combo with 20 years experience |
| Main products: Steel pipe, Rectangular&Square Tubes, Scaffolding Planks, Steel Props, other steel processed goods |
| Annual expoet volume: more than 70,000 tons |
| Main market: Mideast, Southeast Asia, Australia, UK, etc. |
2. Products discription
| Description | Square & Rectangular Hollow Section | ||||
| Specification | Size:20*20 - 400*400 Thickness: 0.6mm-10mm Length: max 12m | ||||
| Material | Q195, Q235, Q345, S235 ,S355, ASTM A500, STK500, A53 GR A/B | ||||
| Standard | GB T3094, EN10219, ASTM A500 | ||||
| Surface | black, oiled HD galvanized pre galvanized | ||||
| Zinc Coating | 180-600g HD galvanized 40-120g Pre galvanized | ||||
| Hollow shape | square or rectangular | ||||
| Treatment | hot rolled or cold rolled | ||||
| Payment terms | mainly TT or LC | ||||
| Certification | ISO, SGS, BV other third party testing | ||||
| Business type | manufacture supplier | ||||
3. Pictures of steel hollow section
