JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Model NO. | 42CrMo4 4140 |
| Surface Treatment | Polished |
| Alloy Type | Alloy |
| Diameter Range | OD 6-630mm |
| Production Capacity | 500tons |
| Chemical Composition C | 0.38-0.43 |
| Chemical Composition Si | 0.40max |
| Chemical Composition Mn | 0.60-0.90 |
| Chemical Composition Cr | 0.90-1.20 |
| Chemical Composition Mo | 0.15-0.30 |
| Chemical Composition P | ≤0.035 |
| Chemical Composition S | ≤0.035 |
| Hardness Annealed | HBS 217 max |
| Round Bar Size | 60-800mm |
| Flat Bar Size | 25-400mm*200-800mm |
View Detail Information
Explore similar products
ASTM A29/A29m Hot Rolled Alloy Steel Round Bars SAE4340 10-350mm
DIN 1.8159 (25CrMoVr6-4) Alloy Steel Round Barr High-Temperature Strength &
25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length
EN DIN Standard 41CrAlMo7 Alloy Steel Round Bar Diameter 10 - 350mm SCM645 Alloy
Product Specification
| Model NO. | 42CrMo4 4140 | Surface Treatment | Polished |
| Alloy Type | Alloy | Diameter Range | OD 6-630mm |
| Production Capacity | 500tons | Chemical Composition C | 0.38-0.43 |
| Chemical Composition Si | 0.40max | Chemical Composition Mn | 0.60-0.90 |
| Chemical Composition Cr | 0.90-1.20 | Chemical Composition Mo | 0.15-0.30 |
| Chemical Composition P | ≤0.035 | Chemical Composition S | ≤0.035 |
| Hardness Annealed | HBS 217 max | Round Bar Size | 60-800mm |
| Flat Bar Size | 25-400mm*200-800mm | ||
| High Light | 42CrMo4 4140 Steel Round Bar ，Polished Surface Alloy Steel Bar ，OD 6-630mm Tool Steel Bar | ||
42CrMo / 4142 SCM440 steel bar stock, hot rolled alloy steel round bar manufactured to ISO9001 standards with flexible MOQ and prompt delivery within 7 days from stock. Material test certificates available per DIN10204 3.1/3.2.
| GB | DIN | AISI | JIS |
|---|---|---|---|
| 42CrMo | 1.7225 | 4140 | SCM440 |
| C | Si | Mn | Cr | Mo | P | S |
|---|---|---|---|---|---|---|
| 0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | ≤0.035 | ≤0.035 |
42CrMo / 4140 Steel Round Bar is used to produce components with high requirements on toughness, including gear wheels, pinions, connecting rods, and parts for mechanical engineering applications.
| Process | Specifications |
|---|---|
| Forging | Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C. Cool slowly in ashes or sand. |
| Annealing | Heat to 830°C-850°C. Cool in furnace. |
| Normalising | Heat to 870°C-900°C. Cool in still air. |
| Stress Relieving | Annealed: Heat to 600°C-650°C. Hardened: Heat to 500°C-550°C. Cool in still air. |
| Hardening | Heat to 830°C-880°C. Quench in oil or polymer. |
| Tempering | Heat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided. |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
Get in touch with us
Leave a Message, we will call you back quickly!