420 Stainless Steel Round Bar Price Per kg
Oct 21, 2025
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420 stainless steel is a high-carbon, martensitic stainless steel with excellent hardness and wear resistance. It is widely used in cutlery, surgical instruments, mechanical components, and industrial tools.
The price per kilogram of 420 stainless steel round bar depends on diameter, length, surface finish, and heat treatment. Understanding the specifications and advantages of 420 stainless steel is crucial for procurement professionals and engineers to make decisions that balance cost-effectiveness and performance.
420 Stainless Steel Round Bar Price per kg (Reference)
| Product Type | Price Range (USD/kg) | Notes |
|---|---|---|
| Hot Rolled 420 SS Round Bar | 2.5 – 3.5 | Standard industrial grade, annealed |
| Cold Drawn / Polished 420 SS Round Bar | 3.2 – 4.5 | Higher surface finish, better dimensional tolerance |
| Hardened / Tempered 420 SS Round Bar | 4.0 – 5.5 | Heat-treated for high hardness and wear resistance |
Important Notes:
Prices fluctuate based on diameter, length, heat treatment, surface finish, and supplier location.
Large volume purchases may receive discounts.
Surface finishing (polishing, mirror) and additional testing/certificates may increase price.
GNEE is a reliable China 420 Stainless Steel Round Bar supplier. We offer 420 hot rolled round bars, 420 cold rolled round bars, 420 annealed round bars, 420 pickled round bars, 420 polished round bars, 420 forged round bars, 420 turned round bars, 420 precision round bars, and 420 flat bars. We provide customizable processing methods such as cutting, bending, welding, drilling, turning, polishing, grinding, heat treatment, threading, and shearing.
ASTM A276 420 Stainless Steel Round Bar Specification
| 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 Composition (Typical 420 Stainless Steel)
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.15 – 0.40 |
| Chromium (Cr) | 12.0 – 14.0 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Density | 7.75 g/cm³ |
| Tensile Strength | 655 – 830 MPa |
| Yield Strength | 310 – 450 MPa |
| Hardness (HRC) | 50 – 55 (after hardening) |
| Elongation | 12 – 20% |
| Melting Range | 1425 – 1510°C |
Applications
Cutlery and kitchen knives
Surgical instruments and medical tools
Industrial shafts, pins, and fasteners
Mechanical components subjected to wear
Gears, bearings, and valves in moderate environments
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.
Customer FAQs
Q1: Can 420 stainless steel round bar be quenched?
A: Yes. 420 stainless steel is martensitic and can be heat treated to a hardness of up to HRC 55, making it well-suited for wear-sensitive applications.
Q2: How does 420 stainless steel compare to 304 or 316 stainless steel?
A: 420 stainless steel offers greater hardness and wear resistance, but lower corrosion resistance than 304/316 stainless steel; it is best suited for cutting tools, blades, and industrial components, rather than harsh chemical environments.
Q3: Can 420 stainless steel be used in food processing?
A: Yes, provided the environment is not highly corrosive. For acidic or marine environments, 304 or 316 stainless steel is preferred.
Q4: What certifications are available?
A: Suppliers typically provide MTC (EN 10204 3.1/3.2), third-party inspection reports, heat treatment charts, and mill certificates.
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