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4140 Alloy Steel Round Bar with Polished Surface, OD 6-630mm for Mold Steel Applications
Product Details
| Model NO. | 4140 | Surface Treatment | Polished |
|---|---|---|---|
| Alloy Type | Alloy | Diameter Range | OD 6-630mm |
| Production Capacity | 500tons | Carbon Content | 0.38-0.43 |
| Silicon Content | 0.15-0.35 | Manganese Content | 0.75-1.00 |
| Chromium Content | 0.80-1.10 | Molybdenum Content | 0.15-0.25 |
| Phosphorus Content | ≤0.035 | Sulfur Content | ≤0.040 |
| Thickness Tolerance | ±0.15mm | Technique | Hot Rolled/forged/cold Draw |
| Annual Capacity | 12000 Tons/year | ||
| Highlight | Polished Surface Alloy Steel Round Bar,OD 6-630mm 4140 Steel Round Bar,Mold Steel Application Tool Steel Bar |
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Product Description
4140 Steel Round Bar - Alloy Steel Round Bar 4140
AISI 4140 Alloy Steel Round Bar
AISI 4140 alloy steel is a chromium-, molybdenum-, and manganese-containing low alloy steel renowned for its exceptional mechanical properties including high fatigue strength, superior abrasion and impact resistance, excellent toughness, and outstanding torsional strength.
Key Features & Benefits
- High fatigue strength for demanding applications
- Superior abrasion and impact resistance
- Excellent toughness and torsional strength
- Chromium-molybdenum-manganese alloy composition
- Customizable dimensions to meet specific requirements
Product Specifications
Product Name: 4140 alloy steel round bar
Length: Custom sizes available
Width: Custom sizes available
Thickness: Custom sizes available
Thickness Tolerance: ±0.15mm
Standards: AISI, ASTM, DIN, JIS, GB, SUS, EN, etc.
Manufacturing Technique: Hot rolled/forged/cold draw
Surface Treatment: Clean/black rough/milled/grinding/painting etc.
Chemical Composition
| Grade | C | Si | Mn | Cr | Mo | P | S |
|---|---|---|---|---|---|---|---|
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.80-1.10 | 0.15-0.25 | ≤0.035 | ≤0.040 |
Available Materials
3Cr2Mo/1.2311/1.2312/P20/1.2738/718H/P20+Ni/1.2316/1.2083/4Cr13/sus420j2/420/S136/NAK80H13/1.2344/SKD61/5CrNiMo/SKT4/1.2714/Cr12/D3/1.2080/Cr12MoV/D2/1.2379/SKD11/9CrWMn/O1/1.2510/SKS3/DC53/40Cr/5140/35CrMo/42CrMo/4140/1.7225/C45/C50/1045/1050/S50C/S45C/T10/T8/M2/1.338/SKH51 - Custom materials available
Ordering & Delivery Information
Minimum Order Quantity: 1 ton to 25 tons (sample orders accepted)
Shipping Time: 15-20 days after receiving deposit or L/C
Export Packing: Standard export seaworthy package / wooden box package
Production Capacity: 12,000 tons/year
Product Images
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