SS 420J2 — Stainless Steel (SS) Grade Specification, Properties & Equivalents
Complete technical reference for SS 420J2 Stainless Steel (SS): chemistry, mechanical properties, 3 international equivalents, and live Indian market rates.
SS 420J2 is a Stainless Steel (SS) grade widely used in Indian engineering, fabrication, and manufacturing. High-carbon martensitic stainless steel (Japanese standard JIS SUS420J2). Achieves higher hardness than 420J1 after heat treatment. Used for cutlery, surgical instruments, and valve parts. This page lists the chemical composition, mechanical properties, and international equivalents of SS 420J2 , with live per-kg rates from verified MetaleMart sellers.
Chemical Composition (%)
| C | Cr | Mn | Si |
|---|---|---|---|
| 0.26-0.40 | 12.00-14.00 | 1.00 max | 1.00 max |
Mechanical Properties
| Property | Value |
|---|---|
| hardness | 52 HRC max (hardened) |
| elongation | 12% min |
| yield strength | 450 MPa min |
| tensile strength | 740 MPa min |
International Equivalents
| Standard Body | Country | Designation |
|---|---|---|
| JIS | Japan | SUS420J2 |
| EN | Europe | 1.4028 |
| AISI | USA | 420 |
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Frequently Asked Questions
What is SS 420J2 ?
High-carbon martensitic stainless steel (Japanese standard JIS SUS420J2). Achieves higher hardness than 420J1 after heat treatment. Used for cutlery, surgical instruments, and valve parts.
What are the international equivalents of SS 420J2 ?
SS 420J2 is equivalent to SUS420J2 (JIS, Japan), 1.4028 (EN, Europe), 420 (AISI, USA).
Where can I buy SS 420J2 in India?
MetaleMart lists verified sellers of SS 420J2 Stainless Steel (SS) across India in multiple shapes — round bar, flat bar, sheet, pipe, and more. Live per-kg rates are visible without login.
What is the typical price of SS 420J2 ?
Prices for SS 420J2 vary by shape, size, quantity, and location. View live rates from verified Indian sellers on MetaleMart product pages.
Tags: grade, stainless steel (ss), ss 420j2