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Precision Cold-Rolled 304 Stainless Steel Strip Ideal for Automotive and

China Precision Cold-Rolled 304 Stainless Steel Strip Ideal for Automotive and

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Precision Cold-Rolled 304 Stainless Steel Strip Ideal for Automotive and

MOQ： 2 Ton
Price： 1800-2000 USD/Ton
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Payment Terms	L/C, T/T, Western Union
Supply Ability	20Ton per week
Delivery Time	5 - 12 days based on the quantity
Packaging Details	standard packing for export
Products	Stainless Steel Coil
Material	Stainless Steel
Thickness	0.1 - 3.0mm
Width	1000mm 1219mm 1500mm
Surface	2B NO.1 NO.4 8K
Grade	201 304 309S 310S 316L 317L 321 347 410 420 430 436 439 441 444.etc
Standard	ASTM EN GB JIS
Service	Cutting
Brand Name	TISCO BAOSTEEL POSCO
Model Number	201 304 309S 310S 316L 317L 321 347 410 420 430.etc
Certification	ISO
Place of Origin	China

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Product Details
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Product Specification


Payment Terms	L/C, T/T, Western Union	Supply Ability	20Ton per week
Delivery Time	5 - 12 days based on the quantity	Packaging Details	standard packing for export
Products	Stainless Steel Coil	Material	Stainless Steel
Thickness	0.1 - 3.0mm	Width	1000mm 1219mm 1500mm
Surface	2B NO.1 NO.4 8K	Grade	201 304 309S 310S 316L 317L 321 347 410 420 430 436 439 441 444.etc
Standard	ASTM EN GB JIS	Service	Cutting
Brand Name	TISCO BAOSTEEL POSCO	Model Number	201 304 309S 310S 316L 317L 321 347 410 420 430.etc
Certification	ISO	Place of Origin	China
High Light	304 stainless steel strip for automotive ，cold-rolled stainless steel strip ，precision stainless steel strip electronics

Precision Cold-Rolled 304 Stainless Steel Strip – Ideal for Automotive and Electronics Manufacturing

Products Specification

Products Name:	Stainless steel Coil
Thickness:	0.1 mm - 10.0 mm
Inner Diameter	508mm
Width:	1000mm, 1219mm, customized max width 1500mm
SS Grade:	201 202 301 304 304L 309S 310S 316L 316Ti 317L 409L 410 420 436L 439 441 444 2205 2507 904L C276 600 625 825 926.etc
Coil surfaces:	2B, No.1, BA, Mirror, Hairline, No.4, PVD
Available finishes:	No.4, Hairline, Mirror, Etching, PVD Color, Embossed, Vibration, Sandblast, Combination, lamination etc.
Standard:	JIS, AISI,ASTM,GB,DIN
Packing way:	PVC+ waterproof paper + strong sea-worthy wooden package

Product Overview

Engineered for high-performance applications, our precision cold-rolled 304 stainless steel strip delivers the perfect balance of corrosion resistance, mechanical strength, dimensional accuracy, and surface integrity required by today’s advanced automotive and electronics industries. Made from premium AISI 304 (UNS S30400 / SUS304 / EN 1.4301), this strip is cold-rolled to tight tolerances in thicknesses ranging from 0.1 mm to 3.0 mm, with a smooth 2B surface finish and burr-free slit edges—ensuring seamless integration into automated assembly lines, stamping operations, and miniaturized components.

Whether you’re producing EV battery interconnects, sensor housings, fuel injectors, or EMI shielding, our 304 stainless steel strip provides the reliability and consistency that global OEMs demand.

Why 304 Stainless Steel for Automotive & Electronics?

Grade 304 stainless steel is the go-to material for critical components due to its:

Excellent corrosion resistance against road salts, coolants, cleaning agents, and atmospheric exposure
Non-magnetic properties (in annealed condition)—essential for sensors, relays, and electronic shielding
High formability and ductility, enabling complex stamping, bending, and deep-drawing without cracking
Good electrical conductivity relative to other stainless grades, suitable for current-carrying parts
Compliance with RoHS, REACH, and automotive material standards (e.g., VDA, AIAG)

Its balanced composition of 18% chromium and 8% nickel ensures long-term durability in both under-hood automotive environments and sensitive electronic enclosures.

Key Technical Specifications

Parameter	Specification
Material Grade	AISI 304 / SUS304 / EN 1.4301
Processing Method	Cold Rolled, Annealed, Pickled
Surface Finish	2B (standard); BA or brushed available on request
Thickness Range	0.1 mm – 3.0 mm
Width Range	5 mm – 650 mm (precision slit-to-width)
Edge Quality	Burr-free, laser-inspected, Ra ≤ 0.8 µm
Thickness Tolerance	±0.005 mm (0.1–0.5 mm), ±0.02 mm (0.5–3.0 mm)
Flatness	≤ 1.0 I-Unit (for ultra-thin gauges <0.3 mm)
Standards	ASTM A666, JIS G4305, EN 10088-2
Certifications	ISO 9001, IATF 16949 (automotive quality system), RoHS, REACH
Packaging	VCI paper + PE film + steel pallet; moisture-controlled for export

Chemical Composition (Per ASTM A240)

Element	Max/Min Content (%)
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 2.00
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.030
Silicon (Si)	≤ 0.75
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 10.5
Iron (Fe)	Balance

This composition ensures a stable austenitic structure, minimizing sensitization during welding and maximizing resistance to pitting in chloride-containing environments.

Mechanical Properties (Annealed Condition)

Property	Typical Value
Tensile Strength	515–690 MPa
Yield Strength (0.2% offset)	≥ 205 MPa
Elongation	≥ 40%
Hardness	70–85 HRB / 150–200 HV
Density	7.93 g/cm³
Electrical Resistivity	~720 nΩ·m
Thermal Conductivity	16.2 W/m·K at 100°C

These properties support high-speed stamping, fine blanking, and laser cutting—critical for mass-producing micro-components in electronics and precision automotive parts.

Precision Slitting: Zero Burrs for Automated Assembly

In modern manufacturing, edge quality is as critical as material composition. Our advanced slitting technology features:

Tungsten-carbide tooling with micron-level alignment
Real-time optical edge monitoring
Post-slit deburring via non-contact methods (e.g., brushless magnetic finishing)

Result: No micro-burrs, no edge roll, no contamination—ensuring smooth feeding in progressive dies, robotic handling, and cleanroom-compatible production.

Applications in Automotive Manufacturing

Component	Function	Why 304 Strip?
EV Battery Tabs & Interconnects	Conduct current between cells	Corrosion-resistant, weldable, low contact resistance
Fuel Injector Components	Meter fuel delivery	Resists ethanol blends and high-pressure fuels
Sensor Brackets & Housings	Protect electronic sensors	Non-magnetic, stable at -40°C to 150°C
Exhaust Heat Shields	Reduce thermal radiation	Oxidation-resistant up to 870°C intermittent
Gaskets & Seals	Ensure fluid-tight joints	Formable, maintains seal integrity under vibration

Our strips meet IATF 16949 requirements, with full PPAP (Production Part Approval Process) support available.

Applications in Electronics Manufacturing

Component	Function	Why 304 Strip?
EMI/RFI Shielding Cans	Block electromagnetic interference	Non-magnetic, solderable, thin-gauge formability
Battery Current Collectors	Transfer charge in Li-ion packs	High purity, consistent surface for coating adhesion
Connector Springs & Terminals	Provide electrical contact force	Excellent springback, fatigue resistance
Flexible Circuit Supports	Reinforce FPCs in wearables	Ultra-thin (0.1–0.2 mm), flatness-critical
Housings for Medical Sensors	Enclose diagnostic electronics	Biocompatible, sterilizable, aesthetically clean

For electronics, we offer cleanroom-packaged coils with particle-count certification upon request.

Quality Assurance Tailored to Industry Needs

Automotive: Full traceability, PPAP documentation, SPC (Statistical Process Control) data
Electronics: Surface cleanliness testing (per IPC-CH-65), ionic contamination reports
All Orders: EN 10204 3.1 Material Test Reports, spectrometry certificates, dimensional inspection logs

Every coil is tested for thickness uniformity, width consistency, and surface defects using automated vision systems before dispatch.

Ordering & Customization Options

MOQ: As low as 50 kg for prototyping; volume discounts for production runs
Custom Services:
- Cut-to-length sheets (100 mm to 6000 mm)
- Edge rounding or chamfering
- One- or two-side protective film (30–100 µm PE)
- Kitted multi-thickness sets for R&D
Lead Time: 7–12 days for standard sizes; 15–25 days for custom specs
Global Shipping: FOB, CIF, or DDP—via air, sea, or land freight

We support VMI (Vendor-Managed Inventory) and JIT delivery for Tier 1 automotive suppliers.

Frequently Asked Questions (FAQ)

Q: Can 304 stainless steel be used in high-temperature automotive exhaust systems?
A: For continuous exposure above 600°C, 321 or 409 stainless is preferred. However, 304 is excellent for heat shields and brackets near exhaust manifolds.

Q: Is your 304 strip suitable for laser welding in battery modules?
A: Yes—our low-inclusion, homogeneous microstructure ensures consistent weld penetration and minimal spatter.

Q: Do you supply material compliant with automotive IMDS or CDX reporting?
A: Yes—we provide full IMDS (International Material Data System) submissions and CDX-compliant documentation.

Q: What’s the thinnest burr-free strip you can produce?
A: We routinely supply 0.1 mm (100 µm) strips with certified burr-free edges for medical and electronics applications.

Conclusion

In the fast-evolving worlds of electric vehicles and miniaturized electronics, material performance directly impacts product reliability, safety, and efficiency. Our precision cold-rolled 304 stainless steel strip is purpose-built to meet these challenges—offering corrosion resistance, dimensional precision, and edge perfection in one high-integrity solution.

Backed by automotive-grade quality systems and deep application expertise, we partner with engineers to turn material specifications into manufacturing success.

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
https://www.stainless-strips.com/

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