SS 420 Round Bar Exporter & Stockist

SS 420 Round Bar — Overview

As a specialty stainless steel round bar exporter in India, JPS Metal & Alloys stocks SS 420 ex-Mumbai for both domestic supply and export via Nhava Sheva (JNPT). SS 420 is a higher-carbon martensitic stainless steel that hardens to a higher level than SS 410, giving good wear resistance and edge retention, at the cost of reduced corrosion resistance and weldability.

International Equivalents

Standard	Designation
DIN / W.Nr.	1.4021 / 1.4028
EN	X20Cr13 / X30Cr13
JIS	SUS420J1 / SUS420J2
ASTM / UNS	ASTM A276 / A479, UNS S42000

Chemical Composition

Element	Range
Cr	12.0–14.0%
C	0.15% min
Mn	1.0% max
Si	1.0% max
P	0.04% max
S	0.03% max

Mechanical Properties

Property	Value
Tensile Strength	655 MPa typical (annealed)
Hardness (annealed)	241 HB max
Hardness (hardened)	Up to approx. 50 HRC

Typical Applications

Cutlery & cutting toolsSurgical and dental instrumentsValve seats, pins & wear partsPump shafts

Frequently Asked Questions

Who is a reliable SS 420 round bar exporter in India?

JPS Metal & Alloys, based in Mumbai, is a stockist and exporter of SS 420 round bar manufactured to ASTM A276 / A479, UNS S42000. Every consignment ships with a full EN 10204 3.1 Mill Test Certificate and, on request, third-party inspection.

What is SS 420 round bar used for?

Typical applications include Cutlery & cutting tools, Surgical and dental instruments, Valve seats, pins & wear parts, Pump shafts. SS 420 is a higher-carbon martensitic stainless steel that hardens to a higher level than SS 410, giving good wear resistance and edge retention, at the cost of reduced corrosion resistance and weldability.

What sizes of SS 420 round bar are available ex-stock?

We stock SS 420 in diameters from 6mm – 300mm dia, supplied annealed / hardened & tempered with black / peeled / polished surface finish, cut to your required length.

What certification comes with SS 420 round bar exports?

Every shipment includes an EN 10204 3.1 Mill Test Certificate verified against ASTM A276 / A479, UNS S42000, plus Certificate of Origin, packing list and commercial invoice for export consignments.

SS 420 (UNS S42000) Martensitic Stainless Steel Round Bars