X20Cr13 1.4021 Stainless Steel Round Bar - 16-400mm Diameter, 650-1000MPa Tensile Strength
Price:
2100 - 2500 USD/Ton
MOQ:
500 kgs
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
Product Overview
ISO Standard X20Cr13 (1.4021) martensitic stainless steel round bar offering excellent corrosion resistance, polishing properties, and mechanical strength. Available in diameters from 16mm to 400mm with various surface finishes and tolerances.
Technical Specifications
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr |
|---|---|---|---|---|---|---|
| X20Cr13/1.4021 | 0.16-0.25 | ≤1.0 | ≤1.5 | ≤0.04 | ≤0.015 | 12-14 |
| X30Cr13/1.4028 | 0.26-0.35 | ≤1.0 | ≤1.5 | ≤0.04 | ≤0.015 | 12-14 |
Physical Properties
| Property | X20Cr13 | X30Cr13 |
|---|---|---|
| Density (g/cm³) | 7.75 | 7.76 |
| Melting Point (°C) | 1470-1510 | 1365 |
| Thermal Conductivity (W/m·K) | 22.2-26.4 | 25.1-25.5 |
| Hardness (Annealed) | ≤225 HBW | ≤235 HBW |
Mechanical Properties
Annealed Condition
| Grade | Tensile Strength | Elongation | Hardness |
|---|---|---|---|
| X20Cr13 | Max 700 MPa | Min 15% | ≤225 HBW |
| X30Cr13 | Max 740 MPa | Min 15% | ≤235 HBW |
Quenched & Tempered Properties
| Treatment | Tensile Strength | 0.2% Proof Strength | Elongation |
|---|---|---|---|
| QT650 | 650-850 MPa | Min 450 MPa | Min 12% |
| QT750 | 750-950 MPa | Min 550 MPa | Min 10% |
| QT800 | 800-1000 MPa | Min 600 MPa | Min 10% |
Heat Treatment Parameters
Annealing
| Parameter | X20Cr13 | X30Cr13 |
|---|---|---|
| Temperature | 730-790°C | 730-790°C |
| Cooling Method | Furnace Cooling | Furnace Cooling |
| Hardness | 160-187 HB | <207 HB |
Forging Parameters
| Parameter | X20Cr13 | X30Cr13 |
|---|---|---|
| Initial Temperature | 1100-1150°C | 1100°C |
| Final Temperature | 850-900°C | Min 850°C |
| Forging Ratio | ≥4:1 | ≥4:1 |
Available Forms & Sizes
Round Bar Dimensions
- Rolled: Diameter 16-200mm
- Forged: Diameter 80-400mm
Surface Finishes & Tolerances
| Finish | Tolerance |
|---|---|
| Black-Forged | (0,+5mm) |
| Black-Rolled | (0,+1mm) |
| Turned | (0,+3mm) |
| Grinding | Best h9 |
| Polished/Peeled/Cold Drawn | Best h11 |
Quality & Delivery
- Mill Test Certification provided with shipment
- Third-party inspection acceptable
- Minimum Order Quantity: 100KG
- Delivery Time: 5-10 days after deposit
- Payment: 30% TT deposit + 70% TT balance before delivery
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben