GNEE is a reliable supplier of 420 stainless steel round bar in China. 420 stainless steel round bar is a martensitic stainless steel available in a variety of diameters and lengths. It features high hardness, excellent corrosion and wear resistance, and is easy to machine. Common applications include blades, surgical instruments, pump shafts, valve components, and automotive parts.
We offer 420 hot-rolled round bar, 420 cold-rolled round bar, 420 annealed round bar, 420 pickled round bar, 420 polished round bar, 420 forged round bar, 420 turned round bar, 420 precision round bar, and 420 flat bar. We offer custom processing methods such as cutting, bending, welding, drilling, turning, polishing, grinding, heat treating, threading, and shearing.
SS 420 stainless steel Round Bar Specifications
| Standard |
ASTM A276 |
|---|---|
| Grade |
1.4021, 2Cr13, SUS420J2 |
| Length |
6000 mm (236.22 in) to 12000 mm (472.44 in), Customized |
| Diameter |
10 mm (0.39 in) to 500 mm (19.69 in), Customized |
| Surface Finish |
Black, Bright, Brushed, Ground, Matte, Mirror, Pickled, Polished, Sandblasted, Smooth |
| Technique |
Annealed, Cold Drawn, Forged, Heat Treated, Hot Rolled, Machined, Pickled, Turned |
| Shape |
Flat, Hexagonal, Hollow, Rectangular, Round, Square, Tapered, Threaded |
| Form |
Annealed Round Bar, Cold drawn round bar and rod, Forged Round Bar, Hot rolled round bar and rod, Machined round bar, Pickled Round Bar, Polished Round Bar, Turned round bar |
Chemical Compositions
|
lement |
Carbon (C) | Chromium (Cr) | Manganese (Mn) | Silicon (Si) | Phosphorus (P) | Sulfur (S) | Nickel (Ni) | Nitrogen (N) | Iron (Fe) |
|---|---|---|---|---|---|---|---|---|---|
| Content (%) | 0.15% – 0.40% | 12.0% – 14.0% | 1.0% max | 1.0% max | 0.04% max | 0.03% max | 0.75% max | 0.10% max | \ |
Mechanical Properties
| Properties | Metric Unit | Imperial Unit |
|---|---|---|
| Tensile Strength | 655 – 860 MPa | 95 – 125 ksi |
| Yield Strength | 450 MPa | 65 ksi |
| Vickers Hardness | 230 – 270 HV | 230 – 270 HV |
| Brinell Hardness | 200 – 250 HB | 200 – 250 HB |
| Rockwell Hardness | 50 – 56 HRC | 50 – 56 HRC |
| Elongation | 20% | 20% |
| Elastic Modulus | 200 GPa | 29 x 10^6 psi |
Heat Treatment
Annealing
Temperature: 840-900°C
Process: Slow cooling in the furnace
Hardening
Temperature: 980-1035°C
Process: Quenching in oil or air
Low Tempering
Temperature: 150-370°C (Low Temper)
Process: For high hardness, slow cooling in air
High Tempering
Temperature: 370-425°C (High Temper)
Process: For improved toughness, slow cooling in air
Stress Relieving
Temperature: 150-370°C
Process: Slow cooling in air
Sub-Critical Annealing
Temperature: less common
Process: less common
If you have a project need for 420 stainless steel bar, we welcome your order. GNEE has a large inventory of popular products for you to choose from. We process these products into a variety of practical product forms, including sheet, coil, tube, bar, and wire. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service.
Packing
Durable Packaging Materials: We use high-strength materials like wooden crates and steel straps to prevent damage during transport.
Corrosion Protection: Each bar is wrapped in moisture-resistant materials to prevent corrosion during shipping.
Custom Sizing: Bars are packed according to the specific length and size requirements to ensure safe and efficient delivery.
Labeling and Documentation: Clear labeling and detailed documentation ensure easy identification and handling upon arrival.
