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Location: HOME > PRODUCTS > Stainless Steel > Stainless Steel Coil > 304/304L Stainless Steel Coil

304/304L Stainless Steel Coil

Buy 304 & 304L stainless steel coil, 18-8 austenitic stainless coil, cold rolled & hot rolled, 2B/BA/No.1 finish, slitting service, for food, chemical, construction, heat exchanger. Mill Test Certificate provided.

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304 and 304L (UNS S30400 / S30403, EN 1.4301 / 1.4307) are classic 18-8 chromium-nickel austenitic stainless steel coils, the most versatile and widely used stainless steel coil grade globally. 304 is the standard carbon version; 304L is its low-carbon variant. The low carbon content of 304L restricts chromium carbide precipitation during welding, effectively preventing intergranular corrosion on welded joints, ideal for heavy welding fabrication.

Product Name	Stainless steel Coil
Thickness (T)	0.3mm – 6.0mm (cold-rolled)
Thickness (T)	3.0mm – 14mm (hot-rolled)
Width (W)	1000mm, 1219mm(4ft), 1250mm, 1500mm
Inner Diameter	508mm (20in), 610mm (24in)
Gross Weight (GW)	2-5 tons (regular)
Gross Weight (GW)	5-8 tons (rewind)
Net Weight (NW)	Slightly less than gross weight (excluding paper sleeves/packaging)
Standard	ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface	BA, 2B, NO.1, 4K,, 8K, Brushed Finish / HL Finish,Matte Finishetc.
Delivery status	Cold Rolled, Soft / Annealed,Hot Rolled, Pickled & Oiled,Supplied in Coils,Cut-to-length Sheets,Water-proof Packing,Wooden Pallet / Skid
Scope of Application	Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc.
Production Technology	Hot Rolling, Cold Rolling
Delivery time	7-15 days

This stainless steel coil features balanced general corrosion resistance in atmospheric, freshwater and mild chemical environments, excellent ductility, deep drawing performance and outstanding weldability. It is non-magnetic under annealed condition, easy to bend, stamp and form.

We provide professional slitting service to narrow strips for your production line. All goods comply with ASTM, GB, EN, JIS standards. Mill Test Certificate (MTC) is supplied for every batch. Large stock on hand for fast delivery.

Performance data of various grades of metal (for reference only) :

Mechanical Properties	Tensile Strength Kb (MPa)	Yield Strength σ0.2 (MPa)	Elongation D5 (%)	Hardness
304	≥ 520	≥ 205	≥ 40	≤ 187HB ;≤ 90HRB;≤ 200HV
304L	≥ 520	≥ 205	≥ 40	≤ 187HB ;≤ 90HRB;≤ 200HV

Core Performance (Comparison of 304/304L)

Corrosion Resistance: General austenitic, resistant to atmospheric/weak acid/weak alkali; 304L has stronger resistance to intergranular corrosion (no heat treatment required after welding)

Weldability: 304L is low carbon, less prone to sensitization and cracking in the weld heat-affected zone, suitable for chemical/pressure vessels/pipelines

Formability: Elongation ≥40%, easy to bend/stamp/roll, suitable for deep processing

Hygiene: Complies with FDA 21 CFR 177, EU 1935/2004, suitable for food/pharmaceutical applications

Temperature: -196℃~800℃, resistant to low temperatures/heat

Chemical composition (% )

Grade	C(max)	Mn(max)	Si(max)	P(max)	S(max)	Cr	Ni	N(max)
304	0.08	2.00	0.75	0.045	0.030	18.0–20.0	8.0–10.5	0.10
304L	0.03	2.00	0.75	0.045	0.030	18.0–20.0	8.0–12.0	0.10

Application Areas

Chemical/Petroleum: Storage tanks, pipelines, heat exchangers (304L preferred)

Food/Pharmaceutical: Equipment, containers, conveyor belts (304/304L both acceptable)

Architectural Decoration: Curtain walls, railings, elevators (304 offers better cost performance)

Marine/Ocean: Components for non-high-salt environments (304L) (More stable) Machinery / Hardware: Housings, structural components, fasteners

Our main products are all kinds of carbon steel, stainless steel, alloy, pre-coated sheet, pipe, parts and other products. If you have other related steel products, please send an email to our company's main mailbox, we will have a professional sales manager in the first time to reply.

Surface Customization: A variety of surface finishes are available, including 2B, BA, No.1, brushed, and mirror; thickness, width, and length specifications can be customized according to your drawings.

Payment Methods

Flexible payment terms available: T/T and L/C. For new clients, 30% advance payment for production, balance against copy of B/L. L/C is acceptable for large & regular orders to secure both parties.

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Warehousing Management

Before each batch of steel leaves the factory, a complete process inspection is strictly carried out. From chemical composition, mechanical properties to dimensional tolerance and surface quality, each item is carefully checked to ensure compliance with national standards and export regulations. At the same time, the quantity, packaging and rust prevention treatment are also verified. An original factory warranty certificate is attached, guaranteeing the quality. Before shipment, inspection photos are provided. Any non-compliant items will not be released, and the quality is fully controllable throughout the process. This ensures your overseas purchasing is safe and worry-free.

All items are visually inspected before delivery. No cracks, deformation, rust, scratches or cutting marks are allowed; edges must be smooth. Only visually sound products will be shipped.

Thickness, width, length, wall thickness, outer diameter have been measured. Straightness, curvature, torsion, diagonal tolerance all meet the corresponding tolerance requirements.

Quality inspection includes: mechanical property tests (yield strength, tensile strength), elongation rate, impact energy, hardness testing, chemical composition testing, process performance testing, etc.

Inspection according to packaging requirements: secure binding, moisture-proof film, rust-proof paper, export fumigation/fumigation-free wooden crates, shipping marks, gross weight, net weight, etc.

We will provide full reception services to support the customers' on-site inspection of the goods.

Hot Rolling Production Line

Cold rolling precision processing

Cold drawing/cold rolling line

Hot Rolling Production Line

Hot rolling production line (producing hot-rolled coils/medium-thick plates, thickness 2–60mm)

Cold rolling precision processing

(Producing ultra-thin / high-precision / shiny panels, with thickness ranging from 0.1 to 3mm, for high-end products)
Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

Warehousing Management

A ten-thousand-ton standardized warehouse with grid-based zoning and system positioning enables rapid material retrieval and reduces the time spent searching for materials.

Inbound inspection: Verify the physical items against the inbound form, inspect the appearance, dimensions, and labels. Once confirmed to be correct, the materials are entered into the ERP system and processed for storage.

Logistics and Global Delivery: Self-operated fleet + contracted logistics partners; expedited service available for urgent orders.

International Shipping: Supports FOB, CIF, DDP, and other trade terms, covering 100+ countries and regions.

Process: Booking → Trucking → Customs Declaration → Loading onto Ship/Aircraft → Bill of Lading Issuance → Document Delivery → Destination Port Customs Clearance (Optional) → Last-Mile Delivery.

Provides door-to-door one-stop logistics with full tracking to ensure safe and timely arrival of goods.

After-Sales Service and Traceability: Delivery receipts, logistics information, and quality inspection documents are sent to customers within 24 hours of shipment.

Established a full product lifecycle traceability system, allowing tracking of production, quality inspection, warehousing, and transportation records.

Follow-up inspection within 72 hours of arrival; rapid response and handling of quality issues; assistance in resolving customs clearance issues for foreign trade orders.

Packaging Method