| Product Name | Steel Round Bar |
|---|---|
| Outer Diameter | 8mm - 700 mm |
| Thickness Tolerance | ±5% |
| Length | 6000mm, 8000mm, 9000mm or as your requirements |
| Surface Treatment | Black or Machined |
| Process | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Applications | Power plants, petroleum, chemicals, mining, aerospace, aviation and machinery |
Our products have been used in all kinds of areas, including aviation, aerospace, navigation, nuclear energy, chemical industry, electronic information, machine manufacture, petrochemical, automotive, instrument and meter, communication, transportation, and medical instruments.
| Standard | GB ASTM, DIN |
|---|---|
| Material | 42CrMo, 42CrMo4, 4040 |
| Diameter | 12-400mm |
| Length | 6m or more |
| Element | Content (%) |
|---|---|
| C | 0.38-0.45 |
| Si | 0.17~0.37 |
| Mn | 0.50~0.80 |
| S | ≤ 0.035 |
| P | ≤ 0.035 |
| Cr | 0.90~1.20 |
| Ni | ≤ 0.030 |
| Cu | ≤ 0.030 |
| Mo | 0.15~0.25 |
| Property | Value |
|---|---|
| Tensile Strength | Σb (MPa)≥ 1080(110) |
| Yield Strength | Σs (MPa)≥ 930(95) |
| Elongation | Σs (MPa)≥ 930(95) |
| Hardness | ≤ 217HB |
Gnee is located in Tianjin, China. It is a comprehensive enterprise integrating domestic and international trade. We maintain large stocks of aluminum alloy, steel pipe, square pipe, steel plate, steel coil, bar, H-beam and other materials, compliant with GB standards, ASTM, JIS, BS, EM. We provide customers with a wide range of steel products with ultra-fast delivery.
Specializing in OEM custom processing services including flame cutting, laser cutting, and rhinestone cutting services. We provide steel bending services, steel heat treatment, steel processing services, steel welding services and sheet metal processing and other manufacturing services. We accommodate special specifications, special grades, small batches, with ultra-high speed delivery and short delivery times.