| Price: | US $ 450/Ton |
|---|---|
| Trade Terms: | FOB,CFR,CIF |
| Min Order: | 10/Ton |
| Pay Type: | L/C,T/T |
1.Specifications of 4140 Steel Round Bar | |||||||||
| Round bar | Diameter(mm) | Length (mm) | |||||||
| 16mm-320mm | 3000~6000 | ||||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||
| Max:800 | 205~800 | 2000~4000 | |||||||
| The specification can be customized. | |||||||||
| 2.Chemical compositon(%) of 4140Steel Round Bar | |||||||||
| Standard | C | Mn | Si | Cr | Mo | P | S | ||
| Number | Ni | ||||||||
| GB | 42CrMo | 0.38~0.45 | 0.50~0.8 | 0.17~0.37 | 0.9~1.2 | 0.15~0.25 | ≤0.035 | ≤0.035 | ≤0.3 |
| AISI | 4140 | 0.40~0.45 | 0.75~1.0 | 0.15~0.35 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | ≤0.040 | |
| JIS | SCM440 | 0.38~0.43 | 0.60~0.9 | 0.15~0.35 | 0.9~1.2 | 0.15~0.30 | ≤0.030 | ≤0.030 | ≤0.25 |
| EN (DIN) | 1.7225 | 0.38~0.45 | 0.60~0.9 | ≤0.40 | 0.9~1.2 | 0.15~0.30 | ≤0.025 | ≤0.035 | |
| ISO | 42CrMo4 | 0.38-0.42 | 0.15-0.30 | 0.10-0.40 | 0.9-1.2 | 0.60-0.90 | ≤0.025 | ≤0.035 | |
| 4.Machanical Properties: | |||||||||
| Tensile str. (N/mm2):1080 | |||||||||
| Yield point (N/mm2):930 | |||||||||
| Elongation (%):12 | |||||||||
| Contraction (%):45 | |||||||||
| Impack work (J/cm2):63 | |||||||||
| Hardness (HB):217 | |||||||||
OD Tolerance | Roundness | |
20-30mm | ±(max)0.4 mm | Under -0/+(max)0.20mm |
30-50mm | ±(max)0.5 mm | Under -0/+(max)0.25mm |
50-80mm | ±(max)0.7 mm | Under -0/+(max)0.46mm |
80-110mm | ±(max)1.0 mm | Under -0/+(max)0.70mm |
110-150mm | ±(max)1.3 mm | Under -0/+(max)0.91mm |
150-200mm | ±(max)1.8 mm | Under -0/+(max)1.26mm |
200-250mm | ±(max)1.2% mm | Under -0/+(max)2.1mm |
Contact Person | Ms.Lily Zhao |
Tel | +86 18953401726 |
company web | www.chinasteelok.com |
| Prod Model: | 4140 |
|---|---|
| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Product Name: | AISI 4140 Alloy Steel Bar |
| Delivery Condition: | as Customer Require |
| Diameter: | 10-320mm |
| Type: | Alloy Steel Bar |
| Standard: | BS |
| Technique: | Hot Rolled |
| Special Use: | Mold Steel |
| Application: | Structural Steel Bar |
| Steel Grade: | First Class |
| Composition: | Standard Require |
| Shape: | Round |
| Surface Treatment: | as Customer Require |
