
Stainless Steel 420 Round Bar Manufacturers in Mumbai
Stainless Steel 420 Round Bars are high-carbon martensitic stainless steel bars known for their exceptional hardness, high strength, and excellent corrosion resistance. This stainless steel grade is heat treatable, making it highly suitable for applications requiring superior wear resistance and durability. With good polishing, machining, and forming characteristics, SS 420 Round Bars are widely used in cutlery, surgical instruments, pump shafts, and industrial equipment.
For those looking for reliable Stainless Steel 420 Round Bar Manufacturers in Mumbai, Piyush Steel is a trusted supplier known for offering premium-quality stainless steel products that adhere to international standards and ensure superior performance in various industrial applications.
Stainless Steel 420 Round Bar Suppliers in India
Industries that require high-strength, corrosion-resistant stainless steel depend on top Stainless Steel 420 Round Bar Suppliers in India for precision, durability, and compliance with global industry norms. SS 420 Round Bars, designated as UNS S42000 or DIN 1.4021, exhibit high hardness, moderate corrosion resistance, and excellent toughness after proper heat treatment.
Due to these exceptional properties, SS 420 Round Bars are widely used in knife blades, cutlery, pump shafts, surgical tools, fasteners, and aerospace components. Piyush Steel ensures that all Stainless Steel 420 Round Bars are manufactured using premium raw materials and advanced production processes to meet global industrial demands.
Stainless Steel 420 Round Bar Exporters in India
Stainless Steel 420 Round Bars are exported globally due to their high durability, strength, and corrosion resistance in demanding industrial environments. Leading Stainless Steel 420 Round Bar Exporters in India supply these bars to industries such as automotive, defense, manufacturing, and medical equipment production.
The hardening capability, wear resistance, and ability to retain sharp edges make SS 420 Round Bars a preferred choice in applications where long-lasting performance is essential. These round bars maintain their structural integrity and mechanical properties even in harsh operating conditions.
- What is a Stainless Steel 420 Round Bar?
- Stainless Steel 420 Bars Forms in Stock
- Standard Sizes and Specifications of Stainless Steel 420 Round Bars
- Chemical Composition of Stainless Steel 420
- Mechanical Properties of Stainless Steel 420
- Equivalent Grades of Stainless Steel 420
- Identification Marks on SS 420 Round Bars
- Applications and Uses of Stainless Steel 420 Round Bars
- Export Destinations

SS 420 Round Bar is a martensitic stainless-steel bar with an excessive chromium raw material that offers brilliant resistance to corrosion, hardness, and power. It is in particular adaptable for precision machining and is drastically carried out in production gear, blades, and commercial agency tools.Its immoderate splendid sprucing makes it appropriate for packages requiring aesthetic attraction and preferred everyday overall overall performance.
Type of Bar |
Description |
Stainless Steel Round Bar |
Perfect for machining and structural use, offering excellent durability. |
Stainless Steel Square Bar |
Ideal for construction and industrial applications with high load-bearing needs. |
Stainless Steel Hollow Bar |
Lightweight yet strong, suitable for piping and structural applications. |
Stainless Steel Hex Bar |
Used in fasteners and fittings for enhanced grip and strength. |
Stainless Steel Bright Bar |
Precision-engineered for aesthetic and functional purposes. |
Stainless Steel Forged Bar |
Ensures superior strength and performance in demanding environments. |
Specification |
Details |
Diameter Range |
4mm to 350mm |
Length |
1m to 6m or custom sizes |
Finish |
Bright, Black, or Polished |
Standards |
ASTM, ASME, DIN, EN, JIS |
Element |
Content (%) |
Chromium |
12.0 – 14.0 |
Carbon |
0.15 Min |
Manganese |
? 1.00 |
Silicon |
? 1.00 |
Phosphorus |
? 0.04 |
Sulfur |
? 0.03 |
Property |
Value |
Tensile Strength (MPa) |
650 – 850 |
Yield Strength (MPa) |
440 |
Elongation (%) |
20 |
Hardness (Brinell) |
241 Max |
Standard |
Grade |
EN 10088-3 |
1.4021 |
ASTM A276/A479 |
UNS S42000 |
JIS G4303 |
SUS 420 |
Our SS 420 Round Bars are imprinted with identification marks that include:
Manufacturer's call or logo
Grade and warmth range
Size and period specs
Batch quantity for traceability
SS 420 Round Bars are applied in a wide range of industries, inclusive of:
Aerospace: Manufacturing excessive-energy additives.
Automotive: Used in shafts, springs, and fasteners.
Medical: Surgical contraptions and implants.
Industrial: Valve components, pump shafts, and gears.
Cutlery and Tools: High-polish blades and precision equipment.
We proudly export DIN 1.4021 Round Bars to several international locations, which includes:
United States
Germany
United Arab Emirates
Australia
South Africa
Canada
India
Japan
Experience the advanced satisfaction and reliability of SUS 420 Round Bar from Piyush Steel Round Bars. Contact us today for inquiries or to request a quote. Let us assist you meet your industrial wishes with precision and excellence.