Specifications of Stainless Steel 304 Coils (HR & CR)

The specifications of Stainless Steel 304 Coil (HR & CR), including standards, thickness and size range, are mentioned below.

Parameter Specification
Standards ASTM A240 / ASME SA240, ASTM A480, EN 10088, JIS G4304
Size Range Width: 1000 mm to 2000 mm (custom widths available)
Wall Thickness HR: 3.0 mm to 16 mm • CR: 0.3 mm to 6.0 mm
Length Coil form (continuous length)
End Type Slit edge / Mill edge
Surface Finish HR: No.1 Finish • CR: 2B, 2D, BA, No.4, Hairline, Mirror Finish
Form Hot Rolled (HR) Coils, Cold Rolled (CR) Coils, Slit Coils

Available Sizes and Dimensions

SS 304 coils are stocked in the size ranges listed below. Custom slitting to narrower widths is available on request.

Parameter HR Coil CR Coil
Thickness 1.5–12.0 mm 0.3–3.0 mm
Width 600–2000 mm 600–2000 mm
Coil Weight 3–10 MT 3–10 MT
Coil ID 508 / 610 mm 508 / 610 mm

Surface Finish of Stainless Steel 304 Coil

The surface finishes available for Stainless Steel 304 Coil are mentioned below:

  • No. 1 Finish
  • 2D Finish
  • 2B Finish
  • BA Finish
  • No. 4 Finish

Stainless Steel 304 Coil Price Per Kg

SS 304 coil prices in India are ₹180-220/kg and $2.99 to $3.06/kg, depending on thickness, width, surface finish, HR vs CR form, quantity ordered, and current raw material surcharges tied to LME nickel rates. Hot-rolled coils usually cost less than cold-rolled coils because they need fewer processing steps. Contact our sales team with your requirements for a current quote and volume pricing.

ASTM A240 / ASME SA-240 Grade 304 Chemical Composition

The table below lists the chemical composition of SS 304 (UNS S30400) along with the proportion in percentage.

Carbon (C)C
0.08 max
Manganese (Mn)Mn
2.00 max
Phosphorus (P)P
0.045 max
Sulphur (S)S
0.030 max
Silicon (Si)Si
1.00 max
Chromium (Cr)Cr
18.0–20.0
Nickel (Ni)Ni
8.0–11.0
Nitrogen (N)N
0.10 max

Mechanical Properties of Stainless Steel 304 Coils

The mechanical properties of Stainless Steel 304 Coil are listed below, including elongation and tensile strength.

515 (75)
MPa (ksi)
Tensile Strength (min)
205 (30)
MPa (ksi)
Yield Strength, 0.2% Offset (min)
40
%
Elongation (min)
92
HRB
Hardness (max)
Property Value
Tensile Strength (min) 515 MPa (75 ksi)
Yield Strength, 0.2% Offset (min) 205 MPa (30 ksi)
Elongation (min) 40%
Hardness (max) 92 HRB
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Equivalent Designation for Stainless Steel 304 Coils (HR & CR)

The international designation equivalent to Stainless Steel 304 Coils (HR & CR), including UNS and Werkstoff Nr., is listed below.

Standard System Equivalent Grade
UNS S30400
EN X5CrNi18-10
Werkstoff Nr (DIN) 1.4301
JIS SUS 304
GB (China) 06Cr19Ni10
AFNOR Z7CN18-09
GOST 08Kh18N10

Industrial Applications of Stainless Steel 304 Coils

Stainless Steel 304 coils serve four primary sectors. The grade’s formability and corrosion resistance make it suitable for the following applications.

Food and Beverage Processing

Grade 304 is the standard material for tanks, conveyors, and preparation surfaces in food processing plants.

Chemical and Petrochemical Industry

SS 304 coils fabricated into vessels and linings handle mild organic and inorganic chemical environments.

Architectural and Construction

2B and BA finished 304 coils are used for facade cladding, roofing, and interior panels.

Automotive and Transportation

304 stainless coils are used for exhaust components, trim strips, and structural brackets.

Hot Rolled vs Cold Rolled 304 Stainless Steel Coils

This table compares hot-rolled and cold-rolled 304 stainless steel coils based on processing, thickness, finish, properties, and applications.

Parameter Hot Rolled (HR) 304 Coils Cold Rolled (CR) 304 Coils
Manufacturing Process Rolled above the recrystallisation temperature Further processed at ambient temperature
Surface Finish No. 1 (hot rolled, annealed, pickled) 2B, BA (Bright Annealed)
Thickness Range 1.5 mm to 12.0 mm 0.3 mm to 3.0 mm
Surface Quality Rougher surface Smooth and refined surface
Dimensional Tolerance Wider tolerances Tighter dimensional control
Flatness Moderate Excellent flatness
Precision Lower precision High precision
Cost More cost-effective Relatively higher cost
Typical Applications Structural components, heavy-gauge applications Kitchenware, appliance panels, decorative trim

Stainless Steel 304 Coils vs Stainless Steel 316 Coils

SS 304 provides strong general corrosion resistance at a lower cost. SS 316 contains 2–3% molybdenum, giving it better performance in chloride-rich and marine environments. The table below compares the main properties.

Property SS 304 SS 316
Chromium (%) 18.0–20.0 16.0–18.0
Nickel (%) 8.0–11.0 10.0–14.0
Molybdenum (%) None 2.0–3.0
Chloride Resistance Moderate High
Relative Cost Lower Higher

Stainless Steel 304 Coils vs Stainless Steel 430 Coils

SS 430 is a ferritic stainless steel with 16–18% chromium and no nickel, so it costs less but also resists corrosion less. The comparison below shows the key differences.

Property SS 304 (Austenitic) SS 430 (Ferritic)
Nickel (%) 8.0–11.0 0.75 max
Formability Excellent Limited
Weldability Good Restricted
Corrosion Resistance High Moderate
Relative Cost Higher Lower

Shipping & Packaging

Main export packaging setup Heavy-duty wooden boxes Packing
Export Packaging Standard

We strictly follow seaworthy export handling standards to protect Stainless Steel 304 Coils from transit damage, moisture ingress, and surface contamination during long-distance dispatch.

  • Heavy-duty wooden boxes with moisture barrier lining
  • HDPE stretch film wrapping on all bundles
  • Edge and corner protection with plastic padding
  • Silica gel desiccants to minimize moisture exposure
  • ISPM-15 fumigated wooden packaging for export
shipping preparation Coil Bundle Yard Staging
Shipping packaging Coil Bundle Edge Protection
Shipping stock Wrapped Export-Ready Bundles

We Export Worldwide

Sachiya Steel International supplies stainless steel products to major industrial markets across North America, Europe, the Middle East, Asia and Africa with export-ready documentation and logistics support.

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Frequently Asked Questions

What is the difference between Hot Rolled and Cold-Rolled SS 304 Coils?+
HR 304 coils are processed at high temperatures, producing a No. 1 finish with wider thickness tolerances (1.5–12.0 mm). CR coils are rolled again at room temperature to achieve more precise thickness and smoother 2B or BA finishes, in thicknesses from 0.3 mm to 3.0 mm.
What are the standard thickness ranges for SS 304 Coils?+
HR coils range from 1.5 mm to 12.0 mm; CR coils range from 0.3 mm to 3.0 mm. Widths for both types span 600 mm to 2000 mm.
What is the price of SS 304 Coils per kg?+
Prices depend on size, finish, order quantity, and current nickel rates. Contact us today for price and bulk discounts.
Which ASTM specification covers SS 304 Coils?+
ASTM A240 / ASME SA-240 is the primary specification for chromium-nickel stainless steel plate, sheet, and strip. ASTM A666 also applies to annealed or cold-worked austenitic stainless steel flat products.
What surface finishes are available for 304 Stainless Steel Coils?+
No. 1, 2B, 2D, BA (bright annealed), and No. 4 (brushed) are the standard finishes. Selection depends on the intended application and aesthetic requirements.
Can SS 304 Coils be used in food processing equipment?+
Yes. Grade 304 is the standard choice for food and beverage equipment. It resists organic acids, is easy to clean, and is safe for use with food.
What is the minimum order quantity for SS 304 Coils?+
MOQ depends on the coil specification and form (HR or CR). Contact us with your thickness, width, finish, and quantity requirements for exact MOQ details.
How are SS 304 Coils packaged for shipping?+
The coils are wrapped in moisture-resistant paper with protection around the inner hole and metal or plastic edge protectors. For export, they are placed on wooden pallets or in wooden boxes with silica gel bags to stop rust during transport.

Contact Us for Availability and Current Pricing. Request a Quote