- Model NO.: AISI4140
- Technique: Forged
- Surface Treatment: Polished
- Ultrasonic Test: Sep1921-84 Class C/C, D/D
- Size Range: 120mm-800mm
- Heat Treatment: Q/T or by Request
- Delivery Condition: Forged+Q/T+Rough Turned(by Request)
- Place of Origin: Wuxi,China
- Trademark: Zhuhong Forging
- Origin: Wuxi China
- Standard: AISI
- Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar, Shipbuilding Industry
- Alloy: Alloy
- Material: AISI4140
- Surface: Rough Turned
- Delivery Term: FOB/CFR/CIF/EXW
- Delivery Period: Within 45 Days
- Mark Color: by Request
- Specification: AISI, EN10025
- HS Code: 72284000
Hot Forged And Polished Steel Bar AISI4140 For Export
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Grade:4140
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Chemical composition:
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Chemical composition:
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | Al | V |
| Â 0.38/0.45 |
 0.17/0.35 |
 0.6/0.8 |
 <=0.03 |
 <=0.03 |
 0.9/1.2 |
 <=0.2 |
 0.15/0.25 |
 <=0.3 |
 0.02/0.05 |
 <=0.05 |
| Material: | 4140 Â Â forged steel round bar Or square bar |
| Process: | Forged from vacuum degassed ingots. |
| Diameter: | 130mm-1000mm (optional) |
| Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
| Delivery Time: | 30-45 days |
| MOQ: | 15 tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered (optional) |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Properties: | As your request |
| Test: | Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional) |
| Marking: | Grade, heat NO. length will be stamped one each bar with required color |
| Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
| similar steel grade | 4140/SCM440/SAE4140/42CRMo/42CrMo4/En19/42CrMoS4 |
| Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
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