- Standard:ASTM
- Standard:ASTM A53-2007
- Standard:bs
- Standard:BS 1387
- Standard:GB
- Standard:GB/T 3091-2001
- Standard:GB/T 13793-1992
- Section Shape:Square
- Place of Origin:CN;JIA
- Application:Structure Pipe
- Technique:ERW
- Certification:ce
- Surface Treatment:Galvanized
- Alloy Or Not:Non-Alloy
- Tolerance:±1%
- Type:Square Tubes
- Processing Service:Welding
- Processing Service:Cutting
- Thickness:0.5 - 3 mm
- Outer Diameter:10-50
- Special Pipe:No
- Secondary Or Not:Non-secondary
- Name:ERW black galvanized pipe
- Supply ability:10000MT PER MONTH
- grade:A53, BS1387, DIN2244, GB/T13793, GB/T3091, GB/T 6728, GB/T6725
- Surface treatment:galvanized or coated with oil or black color to prevent rusting
- Length:5.8M /6M or as per customer's request
- Minimum order:25MT per size
Packing: nude packing or standard export packing. Commodity | Size | Size tolerance(mm) | Thickness(mm) | Length Tolerance |
Circle Pipe | Φ13~Φ25.4 | 0.10 | 0.5~1.5 | +50mm |
Φ18~Φ25.4 | 0.10 | 1.5~2.0 | +50mm | |
Φ25.4~Φ34 | 0.10 | 0.7~2.0 | +50mm | |
Φ25.4~Φ34 | 0.12 | 0.8~3.0 | +50mm | |
Φ50.8~Φ79.2 | 0.12 | 1.0~3.0 | +50mm | |
Square Pipe | 16×16~25.4x25.4 | 0.15 | 0.7~2.0 | +50mm |
30×30~50×50 | 0.20 | 1.0~3.0 | +50mm | |
60×60 | 0.15 | 0.7~2.0 | +50mm | |
Rectangle Pipe | 100×100--200×200 | 0.60 | 3.0~6.0 | +50mm |
10×20~20×40 | 0.20 | 0.8~1.5 | +50mm | |
20×40~30×50 | 0.25 | 1.0~2.5 | +50mm | |
25×70~38.1.76.2 | 0.25 | 1.2~2.5 | +50mm | |
30×60~40x80 | 0.30 | 1.2~2.5 | +50mm | |
120×60~150×250 | 0.60 | 3.0~6.0 | +50mm | |
Ellipse Pipe | Φ10~Φ20 | 0.20 | 0.8~1.5 | +50mm |
