SS 304 / 304L Sheets & Plates
Austenitic Stainless Steel Flat Rolled Solutions

SS 304 / 304L Sheets & Plates Supplier and Stockist in India

SS 304 Sheets and Plates are chromium-nickel stainless steel products used in fabricated equipment, process systems and industrial enclosures. SS 304 (UNS S30400) offers good general corrosion resistance and formability, while SS 304L (UNS S30403) has a lower carbon limit that helps reduce sensitisation during welding, making it a useful choice for welded fabrications.

Metalloy Steel supplies SS 304 / 304L Sheets and Plates in India for industrial and fabrication requirements. Buyers can enquire about ASTM A240 specifications, thickness, width, length, surface finish and cut-to-size options based on the required grade and application.

SS 304 / 304L Stainless Steel Sheets and Plates
UNS S30400 / S30403 ASTM A240 / ASME SA240 W.Nr. 1.4301 / 1.4307 Cr 18–20% | Ni 8–12% 7.93 g/cm³
Technical Overview

SS 304 / 304L Sheets & Plates Specifications

Comprehensive standard parameters and dimensions for SS 304 and SS 304L flat-rolled stainless steel products.

Parameter Details
Product Name SS 304 / 304L Stainless Steel Sheets & Plates
Grades SS 304 & SS 304L
UNS Designations S30400 & S30403
Material Type Austenitic stainless steel
Product Standard ASTM A240 / ASME SA240, where applicable
Common Equivalent Grades 1.4301, 1.4307, X5CrNi18-10, SUS 304 / SUS 304L
Thickness & Dimensions As per specification and order requirements
Surface Finish Subject to grade, product form and availability (2B, No. 1, No. 4, BA, Mirror Finish)
Supply Options Standard sizes and cut-to-size requirements, subject to availability
Material Standards & Metallurgy

Chemical Composition & Mechanical Properties of SS 304 / 304L

Direct comparison of chemical composition limits, mechanical performance values, and international equivalents.

Chemical Composition of SS 304 / 304L
Chemical Element SS 304 (UNS S30400) SS 304L (UNS S30403)
Carbon (C) 0.08% max 0.03% max
Manganese (Mn) 2.00% max 2.00% max
Phosphorus (P) 0.045% max 0.045% max
Sulphur (S) 0.030% max 0.030% max
Silicon (Si) 1.00% max 1.00% max
Chromium (Cr) 18.00–20.00% 18.00–20.00%
Nickel (Ni) 8.00–10.50% 8.00–12.00%
Iron (Fe) Balance Balance
Mechanical Properties of SS 304 / 304L
Property SS 304 SS 304L
Density 7.93 g/cm³ 7.93 g/cm³
Melting Range Approx. 1400°C Approx. 1400°C
Tensile Strength 515 MPa 485 MPa
Yield Strength (0.2% Offset) 205 MPa 170 MPa
Elongation 40% 40%
Hardness 201 HB 201 HB
Equivalent Grades of SS 304 / 304L
Standard SS 304 SS 304L
UNS S30400 S30403
Werkstoff / W.Nr. 1.4301 1.4307
EN X5CrNi18-10 X2CrNi18-9
JIS SUS 304 SUS 304L
BS 304S31 304S11

Explore our complete range of Sheets & Plates for different industrial, fabrication and engineering requirements.

Grade Selection Guide

SS 304 vs SS 304L Sheets & Plates

Key metallurgical differences to help engineers and procurement teams choose the optimal grade for fabrication.

Comparison SS 304 SS 304L
Carbon Content 0.08% maximum 0.03% maximum
Key Characteristic General-purpose corrosion resistance and formability Lower carbon content helps reduce sensitisation during welding
Fabrication Consideration Suitable for many formed and welded components Often preferred for welded fabrications where intergranular corrosion is a concern
Typical Selection Equipment panels, enclosures and general fabrication Welded tanks, process equipment and fabricated assemblies
Interactive Estimation Tool

SS 304 Sheets & Plates Weight Calculator

Estimate real-time weight per square metre, per piece, and total batch weight for SS 304 / 304L sheets and plates with our live 3D visualizer engine.

METALLOY STEEL INDUSTRIAL SUITE

SS 304 Sheet & Plate Weight Calculator

Density: 7.93 g/cm3 | Real-time weight estimator for stainless steel sheets and plates.

Thickness (mm) 0.3 – 100
Width (mm) 100 – 2,500
Length (mm) 100 – 12,000
Quantity (sheets)
3D SHEET VIEWPORT Drag to Rotate

Drag to rotate · updates live | 2.0 × 1,250 × 2,500 mm

Total Weight

49.56 kg

0.050 tonnes · 1 sheet

Weight per sheet

49.56 kg

Weight per m²

15.86 kg/m²

Area per sheet

3.125 m²

Total area

3.125 m²

Specification Summary

Spec: Metalloy Steel | Grade: SS 304 Sheet & Plate | Thk: 2.0 mm | W: 1,250 mm | L: 2,500 mm | Qty: 1 sheet | Total: 49.56 kg

Specification copied to clipboard!
SS 304 / 304L Sheets and Plates Chemical Composition and Mechanical Properties
Engineering Value

Key Advantages of SS 304 Sheets & Plates

Engineered for formability, weldability, hygienic surface finish, and long service life across diverse operating environments.

Forming and Fabrication

Suitable for bending, cutting, stamping and fabrication into panels, covers, tanks and equipment housings.

Welded Construction

SS 304L's lower carbon content helps reduce carbide precipitation and sensitisation during welding.

Surface Finishing Options

Can be specified with suitable finishes for architectural, industrial and process-equipment requirements.

Material Selection Flexibility

Both grades support a range of fabrication needs, with grade selection based on welding requirements and operating conditions.

Dimensional Customisation

Specified thicknesses and cut-to-size dimensions can help reduce excess material during fabrication, subject to availability.

Marine & High Alloy Option

For applications requiring improved resistance to pitting and crevice corrosion in chloride-containing environments, consider our SS 316 Sheets & Plates.

Application Spectrum

Applications & Industries Using SS 304 / 304L Sheets & Plates

Typical industrial components and sectors utilizing SS 304 and SS 304L flat-rolled products.

Industry Typical Applications
Food & Beverage Processing equipment, work surfaces, storage vessels and enclosures
Chemical Processing Tanks, equipment panels and vessels for compatible chemicals
Pharmaceutical Equipment housings and fabricated components meeting specified cleaning requirements
Construction & Architecture Wall cladding, interior panels, trims and architectural fabrications
Automotive & Engineering Machine covers, brackets, guards and fabricated components
Water Treatment Equipment panels, tanks and system enclosures for compatible water conditions
Certified Quality

Quality Assurance & Testing

Metalloy Steel can discuss inspection and documentation requirements for SS 304 / 304L Sheets & Plates according to the purchase specification and order scope.

Material Test Certificate (EN 10204 Type 3.1)

Can be requested, subject to availability, to document heat-specific chemical composition and mechanical test results.

Positive Material Identification (PMI)

Can help verify alloy composition and distinguish SS 304 / 304L from other stainless steel grades.

Chemical Analysis

Verifies material chemistry against the specified grade and standard.

Mechanical Testing

Tests such as tensile testing can be specified according to applicable requirements.

Dimensional Inspection

Checks thickness, width and length against the purchase order.

Surface Inspection

Checks visible surface condition and finish against agreed requirements.

Third-Party Inspection (TPI)

Can be discussed subject to project requirements and availability.

Common Queries

Frequently Asked Questions

Clarifications on sheet grades, welding suitability, dimensions, cut-to-size options, and procurement.

SS 304L has a lower carbon limit than SS 304, helping reduce sensitisation during welding. The appropriate grade depends on fabrication and service requirements.

ASTM A240 / ASME SA240 is commonly specified for chromium and chromium-nickel stainless steel plate, sheet and strip used in pressure vessels and general applications.

Buyers can enquire about required thickness, width and length. Cut-to-size options depend on the available material and order requirements.

They can be used with compatible chemicals, but suitability depends on concentration, temperature and exposure conditions.

Share the grade, thickness, width, length, quantity, surface finish and applicable standard to help confirm the required specification.

Request a Quote for SS 304 / 304L Sheets & Plates

Contact Metalloy Steel, an SS 304 Sheets Supplier in India, with your required grade, dimensions and quantity to enquire about availability, inspection requirements and pricing.

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