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Hot Rolled SAE8620 Alloy Steel Round Bar with Polished Surface for Structural Applications
Product Details
| Diameter | 10 - 320mm | Length | 6m Or Custom |
|---|---|---|---|
| Technique | Hot Rolled | Surface Treatment | Polished |
| Alloy Type | Alloy | Carbon Content | 0.18-0.23% |
| Silicon Content | 0.15-0.35% | Manganese Content | 0.70-0.90% |
| Chromium Content | 0.40-0.60% | Nickel Content | 0.40-0.70% |
| Molybdenum Content | 0.15-0.25% | Tensile Strength | 633 MPa |
| Yield Strength | 357 MPa | Elongation | 26.3% |
| Hardness | 183 HB | ||
| Highlight | Hot Rolled Alloy Steel Round Bar,Polished Surface SAE8620 Steel Bar,Structural Application 20CrNiMo Alloy Steel Rod |
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Product Description
SAE8620/SAE8620H/20CrNiMo Alloy Steel Bar
High-quality alloy steel round bars designed for structural and industrial applications with excellent carburizing response and hardenability.
Product Specifications
| Product Name | SAE8620 / 20CrNiMo Alloy Steel Round Bar |
|---|---|
| Diameter Range | 10 - 320mm |
| Length | 6m standard or custom cutting available |
| Type | Hot Rolled |
| Available Brands | BAOSTEEL, DELTA, DONGBEI, HUAXI, SHAGANG, etc. |
| Minimum Order Quantity | 1 Ton |
| Loading Port | Shanghai Port |
| Packing | Steel wire rope packaging |
| Delivery Time | 5-7 days for stock materials |
Standard Stock Sizes
Available diameters: 10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 120, 130, 140, 150, 160, 180, 200, 210, 220, 230, 250, 270, 300mm
Additional Available Grades
- Q195, Q235, 10#, 20#, 35#, 45#, Q215, Q345
- 12Cr1Mov, 15CrMo, 304, 316
- 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo
- GCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo
- 40CrNiMoA, 4340, 40CrNi2Mo, 34CrNiMo6, 17CrNiMo6
- 20CrNiMoA, 8620H, 35CrMo, V40, 20CrMnMo, 20MnCr5, 30CrNiMo8, 18CrNiMo7
Material Description
AISI SAE 8620 steel (UNS G86200) is a widely used low-alloy carburizing material known for its excellent carburizing response, good hardenability across most section sizes, and cost-effectiveness with better machinability and availability.
Chemical Composition
| Standard | Steel Grade | C | Si | Mn | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|---|
| ASTM A322; ASTM A29/A29M | 8620 (UNS G86200) | 0.18-0.23 | 0.15-0.35 | 0.70-0.90 | 0.035 | 0.040 | 0.40-0.60 | 0.40-0.70 | 0.15-0.25 |
| ASTM A534 | 8620H | 0.17-0.23 | 0.15-0.35 | 0.60-0.95 | 0.025 | 0.015 | 0.35-0.65 | 0.35-0.75 | 0.15-0.25 |
Mechanical Properties
| Steel Grade | Tensile Strength ≥ | Yield Strength ≥ | Elongation ≥ | Reduction in Area ≥ | Hardness HB | Izod Impact Strength | Condition |
|---|---|---|---|---|---|---|---|
| 8620 (UNS G86200) | 633 MPa (92 ksi) | 357 MPa (52 ksi) | 26.3% | 59.7% | 183 | 100 J (74 ft·lbf) | Normalized at 915°C |
| 8620 (UNS G86200) | 536 MPa (78 ksi) | 385 MPa (56 ksi) | 31.3% | 62.1% | 149 | 115 J (83 ft·lbf) | Annealed at 870°C |
Applications
SAE 8620 steel is extensively used in various industrial applications including:
- Automotive and off-highway differentials
- Industrial and tractor accessory drives
- Engine components and starters
- Off-highway, steel mill, paper mill, and mining equipment
- Gears, steering mechanisms, gear boxes, and transmission components
- Carburized gears, pinions, shafts, differential rings, steering worms
- Engine crankshafts, spline shafts, chains, air drill parts
- Chuck jaws, oil well bit and reamer cutters, piston pins
- Pneumatic chucks, heavy-duty bolts, fasteners, and hand tools
International Equivalent Materials
| United States | China | Japan | European Union | ISO |
|---|---|---|---|---|
| AISI SAE; ASTM A322; ASTM A29/A29M - 8620 (UNS G86200) | GB/T 3077 - 20CrNiMo (A50202) | JIS G4053 - SNCM220 | - | - |
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