Complaint
Product Name | Cold/Hot Rolled Steel Pipe And Tube |
Wall Thickness | 0.2mm-20mm |
Length | 1m-12m |
Outer diameter | 20mm-650mm |
Tolerance | Wall Thickness:±0.05MM Length:±6mm Outer Diameter:±0.3MM |
Shape | Round, Square, Rectangle, Oval, Deformed |
Material | Q195-Q345, 10# ,20#,45#,195-Q345, Gr.B-Gr.50, S235JR, SS400, SPHC, BS-040A10 ,16mn, 40cr, 42crmo, 27simn, 12cr1mov, 15crmo, Gcr15, 25mn2 |
Technique | Cold rolled, Hot Rolled |
Standard | ASTM, DIN, JIS, BS |
Certificate | ISO, CE, BV |
Delivery times | Delivered within 7-15 days after receipt of deposit |
Package | 1. Packed with 8 bundles tightened with metal belt and plastic wrapped if need 2. According to customer's requirement |
Application | Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure |
| Tolerances | ||
| Pipe types | Pipe sizes(mm) | Tolerances |
| Hot rolled | OD<50 | ±0.50mm |
| OD≥50 | ±1% | |
| WT<4 | ±12.5% | |
| WT 4~20 | +15%, -12.5% | |
| WT>20 | ±12.5% | |
| Cold drawn | OD 6~10 | ±0.20mm |
| OD 10~30 | ±0.40mm | |
| OD 30~50 | ±0.45 | |
| OD>50 | ±1% | |
| WT≤1 | ±0.15mm | |
| WT 1~3 | +15%, -10% | |
| WT >3 | +12.5%, -10% | |
| Chemical Composition | |||||
| Material | C% | Mn% | S% | P% | Si% |
| Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 |
| Q215 | 0.09-0.15 | 0.25-0.55 | <0.050 | <0.045 | <0.30 |
| Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 |
| Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 |
| Mechanical Property | |||||
| Material | Yield Point(Mpa) | Tensile Strength(Mpa) | Elongation(%) | ||
| Q195 | >195 | 315-430 | 32-33 | ||
| Q215 | >215 | 335-450 | 26-31 | ||
| Q235 | >235 | 375-500 | 24-26 | ||
| Q345 | >345 | 470-630 | 21-22 | ||
