304 Stainless Steel Coil – High-Strength Quality From A Leading Manufacturer

The 304 stainless steel coil is a versatile, austenitic stainless steel known for its exceptional corrosion resistance, strength, and formability, making it a top choice for various applications. Produced by leading manufacturers in China, it’s widely used in food processing, chemical equipment, architectural projects, and more, thanks to its resistance to oxidation and acids. Whether sourcing 304 stainless steel coil stock or a 304 cold rolled stainless steel coil, this product offers unmatched reliability and performance.

Price: Contact Us for a Custom Quote

Interested in purchasing 304 ss coil? Contact our China manufacturer for a customized quote. Pricing for 304 ss coil, including options like 304 ss coil price, 304 SS coil, and 304 cold-rolled stainless steel coil, varies based on thickness, width, and surface finish—contact sales for competitive pricing and bulk order terms from 304 steel coil manufacturers.

Specifications

Thickness: 0.1mm to 6.0mm (customizable)
Width: 1000mm, 1219mm, 1500mm, or custom widths up to 2000mm
Length: Coil (standard outer diameter up to 1500mm) or cut-to-length
Surface Finish: 2B, BA, No.4, HL, or polished
Standard: ASTM A240, JIS G4305, EN 10088-2
Edge: Slit edge or mill edge

Key Features (Advantages)

Superior Corrosion Resistance: Offers excellent resistance to atmospheric and chemical corrosion, making 304 ss coil ideal for harsh environments.
High Formability: Easy to bend, form, and weld, perfect for fabricating 304 ss coil into complex shapes.
Aesthetic Appeal: It provides a shiny, smooth finish, enhancing the architectural and decorative uses of the 304 ss coil.
Strength and Durability: It maintains high tensile and yield strength, ensuring longevity for 304 cold-rolled stainless steel coils in demanding applications.
Hygienic Properties: Non-porous, easy to clean, and ideal for food-grade 304 ss coil stock applications.

Applications

Food Processing: Used in equipment like tanks, conveyors, and piping, leveraging the corrosion resistance and hygiene of 304 ss coil.
Chemical Industry: Applied in reactors, pipelines, and storage vessels, where 304 ss coil resists acids and chemicals.
Architectural Projects: Ideal for facades, railings, and decorative panels, benefiting from the aesthetic finish of 304 ss coil.
Automotive: Employed in exhaust systems and trim, using the durability of 304 ss stock.
Medical Equipment: 304 cold-rolled stainless steel coil is perfect for surgical instruments and hospital fixtures, ensuring sterility and strength.

Chemical Composition

Element	Percentage (%)
Chromium (Cr)	18.0–20.0
Nickel (Ni)	8.0–10.5
Carbon (C)	≤0.08
Silicon (Si)	≤0.75
Manganese (Mn)	≤2.0
Phosphorus (P)	≤0.045
Sulfur (S)	≤0.030
Nitrogen (N)	≤0.10
Iron (Fe)	Balance

Mechanical Properties

Property	Value
Tensile Strength	515–620 MPa
Yield Strength	205–310 MPa
Elongation	40–60% (in 50mm)
Hardness (Brinell)	≤201 HBW
Hardness (Rockwell B)	≤92 HRB
Modulus of Elasticity	193 GPa
Impact Strength	Not specified

Chemical Properties

Acids: Excellent resistance to most organic and inorganic acids (e.g., nitric, sulfuric), but caution is needed in highly concentrated hydrochloric acid environments.
Alkalis: Performs well against alkaline solutions, maintaining integrity in most pH ranges, though extreme alkalis may require evaluation.
Environmental Restrictions: Avoid prolonged exposure to highly saline or chloride-rich environments (e.g., coastal areas) without proper maintenance, as pitting can occur, limiting 304 ss coil use unless treated.

Things to Note (Limitations)

High Temperatures: Strength and corrosion resistance may decrease above 870°C (1600°F), restricting its use in extreme heat for 304 ss coil.
Chloride Environments: Susceptible to pitting and crevice corrosion in chloride-rich settings, requiring protective measures or regular maintenance for 304 ss coil.
Cost: More expensive than 201 or 430 grades due to higher nickel content, which may impact 304 ss coil price for budget-sensitive projects.

Corrosion Data

Environment	Corrosion Rate
Atmospheric Corrosion (Rural)	<0.001 mm/year
Atmospheric Corrosion (Urban)	<0.001 mm/year
Atmospheric Corrosion (Marine)	0.001–0.005 mm/year
Fresh Water	<0.001 mm/year
Salt Water	0.005–0.015 mm/year
Mild Organic Acids	<0.001 mm/year
Strong Acids	0.01–0.1 mm/year
Alkaline Solutions	<0.001 mm/year
Chlorinated Water	0.002–0.01 mm/year
Intergranular Corrosion	Negligible

Best Welding and Manufacturing Practices

Welding Methods: Use TIG or MIG welding for 304 ss coil, with 308L or 309L filler metals for strong, corrosion-resistant joints. Preheating is typically unnecessary, but post-weld annealing may enhance corrosion resistance.
Forming Tips: Highly formable due to its austenitic structure, but avoid excessive cold working to prevent work hardening—annealing may be needed post-forming for 304 ss coil stock.
Processing Tips: Use sharp tools and lubricate during cutting or punching to maintain the surface quality of 304 cold rolled stainless steel coil or polished finishes.

What Customers Say About

Frequently Asked Questions

Q1: How does 304 ss coil differ from 316 stainless steel?

A: It is more affordable but has less corrosion resistance than 316, especially in chloride-rich environments. It’s ideal for 304 stainless steel coil in general industrial uses, while 316 suits marine or harsh chemical settings.

Q2: What scenarios is 304 ss coil suitable for?

A: It’s perfect for food processing, chemical equipment, and architectural projects. Avoid extreme chloride or high-temperature environments for 304 ss coil without proper treatment to prevent corrosion.

Q3: What’s the 304 ss coil price?

A: Pricing varies by thickness, finish, and volume. Contact our China manufacturer at sales for a quote or stock options.

Q4: Can 304 ss coil be used outdoors?

A: Yes, but it’s best for mild outdoor conditions. In coastal or chloride-rich areas, use protective coatings or maintenance to prevent corrosion.

Q5: Is 304 cold rolled stainless steel coil weldable?

A: Yes, it welds well with TIG or MIG using 308L/309L fillers, ensuring strong, corrosion-resistant joints for 304 stainless steel coil applications.