420 J2 Stainless Steel Plate Price Per kg
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If you're looking for durable, easily polishable, and cost-effective stainless steel, 420J2 stainless steel is the right choice. Its moderate corrosion resistance, high hardness after heat treatment, and bright, smooth surface make it an ideal choice for cutlery, tools, decorative panels, and surgical instruments.
What Is 420J2 Stainless Steel?
420J2 stainless steel (UNS S42000 / EN 1.4028) is a martensitic stainless steel grade containing 12–14% chromium and 0.26–0.40% carbon.It provides good corrosion resistance, excellent polishability, and high hardness after heat treatment.
420J2 is widely used in:Knife blades and scissors,Surgical and dental instruments,Mechanical parts,Decorative components,Measuring tools.
420 J2 stainless steel plate surface treatment
420J2 Stainless Steel Plate Price per kg (2025 Update)
The average market price of 420J2 stainless steel plates (as of October 2025) is approximately:
| Thickness | Surface Finish | Price (USD per kg) | MOQ |
|---|---|---|---|
| 1.0 – 3.0 mm | 2B / BA | $2.60 – $3.00 / kg | 1 ton |
| 3.0 – 6.0 mm | No.1 / 2B | $2.50 – $2.90 / kg | 1 ton |
| 6.0 – 12.0 mm | No.1 (Hot Rolled) | $2.40 – $2.80 / kg | 1 ton |
| 12.0 – 30.0 mm | Hot Rolled | $2.30 – $2.70 / kg | 1 ton |
Note: Prices vary depending on surface finish, thickness, origin (China, Japan, EU), and order quantity.GNEE offers factory-direct prices and custom cutting and polishing services to reduce overall procurement costs.Email: info@gneestainless.com
420J2 Stainless Steel Chemical Composition
| Element | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) |
|---|---|---|---|---|---|---|---|
| 420J2 | 0.26–0.40 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 12.0–14.0 | ≤1.00 |
420 J2 stainless steel plate Mechanical Properties
| Property | Condition | Value |
|---|---|---|
| Tensile Strength | Annealed | ≥685 MPa |
| Yield Strength | Annealed | ≥345 MPa |
| Elongation | - | ≥20% |
| Hardness | Hardened & Tempered | 48–52 HRC |
| Density | - | 7.75 g/cm³ |
AISI 420 stainless steel plate Specification
| Parameter | Specification |
|---|---|
| Standard | ASTM A240 / JIS G4305 / EN 10088 |
| Grade | SUS 420J2 / 1.4028 / S42000 |
| Thickness | 0.3 mm – 50 mm |
| Width | 1000 mm – 2000 mm |
| Length | 2000 mm – 6000 mm or customized |
| Surface Finish | 2B, BA, No.4, Mirror (8K), Hairline |
| Processing Services | Cutting, Polishing, Bending, Welding |
| Packaging | Waterproof paper + PVC film + Wooden pallet |
| Certification | ISO 9001, SGS, BV, MTC EN 10204 3.1 |
Why Choose Gnee as Your Supplier
18+ years of export experience in stainless steel production
50,000 m² manufacturing facility with advanced polishing and slitting lines
3,000+ tons of 420J2 stainless steel plates in stock
100% quality inspection with MTC, PMI, and mechanical testing
Global shipping to 60+ countries (Asia, Europe, Middle East, Americas)
Flexible payment terms: T/T, L/C, and Trade Assurance
All stainless steel sheets undergo moisture-proof treatment and are securely packaged in wooden crates, pallets, or bubble wrap. They are transported in standard containers or dedicated vehicles to ensure the integrity and safety of the goods during transit. We offer global shipping, with a typical lead time of 7-15 days from production to delivery, ensuring on-time delivery to our customers.
FAQs
Q1: How much does a 420J2 stainless steel plate cost per kg?
The current price ranges from $2.30 to $3.00 per kg, depending on size, thickness, and surface finish.
Q2: Can 420J2 stainless steel be hardened?
Yes. Through heat treatment, it can achieve up to 52 HRC, offering high wear resistance.
Q3: What surface finishes are available?
Available in 2B, BA, No.4 brushed, 8K mirror, and hairline finishes, suitable for both industrial and decorative use.
Q4: What is the MOQ for 420J2 stainless steel plates?
Gnee supports both sample orders (1 ton minimum) and bulk shipments, with customized cutting services.
Q5: What is the delivery time?
Generally 7–15 days for stock items; custom processing may take slightly longer.
