Ferritic Stainless Steel Sheet in 409 / 430 / 444 Grades with 0.5 – 80 mm Thickness and ASTM A240/A480 Standard Compliance
Product Details
| Grade: | 409/S40900, 430/S43000，444/S44400 | Standard: | ASTM A240/A480, EN 10088-2, GB/T 3280, JIS G4305 |
|---|---|---|---|
| Width: | 1,000 – 2,500 Mm (up To 3,000 Mm On Request) | Thickness: | 0.5 – 80 Mm (custom) |
| Length: | 2,000 – 12,000 Mm (custom Cut) | Finish: | 2B / BA / No.1 / No.4 / HL / 8K / Pickled |
| Highlight |
409 / 430 / 444 Grades Ferritic Stainless Steel Sheet,0.5 – 80 mm Thickness Stainless Steel Plate,ASTM A240/A480 Standard Stainless Steel Coil |
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Product Description
Ferritic stainless steel sheet is a low-nickel iron-chromium alloy plate with minimum 10.5% chromium content, featuring natural magnetism and excellent high-temperature oxidation resistance without expensive nickel element addition. Our main supply grades are 409, 430 and 444, designed for light exhaust systems, indoor decoration, and medium chloride corrosive environments respectively.
- Core ferritic stainless grades: UNS S40900(409), S43000(430), S44400(444), fully compliant with ASTM A240/A480, EN 10088-2, GB/T 3280, JIS G4305 international standards
- Complete dimension range: Thickness 0.5–80mm, width 1000–2500mm (custom up to 3000mm), length 2000–12000mm with free custom cut-to-length service
- Multiple premium surface finishes: No.1 hot rolled pickled, 2B cold rolled, BA bright annealed, No.4 brushed, HL hairline, 8K mirror, customized pickling treatment
- Low-nickel ferritic series, cost-effective alternative to austenitic 304; all sheets are magnetic with stable mechanical performance
- Original mill supply from TISCO & BG, certified ISO9001 full factory inspection reports for every batch
- Stable monthly production capacity, standard lead time 10–30 working days after deposit confirmation
- Strict pre-delivery inspection: Spectral composition test, tensile/hardness mechanical test, flatness & visual dimensional inspection
- Standard export pallet packaging with full waterproof wrapping to avoid rust and scratch during long sea transportation
- Low-chromium titanium-stabilized ferritic stainless steel, Cr content 10.5–11.75%
- Excellent high-temperature oxidation resistance for cyclic exhaust heat environments
- Superior formability, low cost, magnetic property; not suitable for outdoor coastal chloride environments
- Mainly applied to automobile mufflers, catalytic converter shells, industrial exhaust pipes
- Classic general ferritic stainless steel with 16–18% chromium, no molybdenum addition
- Good atmospheric anti-rust performance for indoor dry environments, bright decorative surface effect
- Outstanding stamping & bending performance, widely used for kitchen appliances, elevator decorative panels
- Cost-saving substitute for 304 indoor decoration projects without heavy chloride exposure
- Molybdenum-bearing ultra-low carbon ferritic stainless steel
- Greatly improved resistance to pitting, crevice corrosion and tap water chloride erosion compared to 430
- Excellent weldability without obvious intergranular corrosion risk after welding
- Ideal for water heaters, heat exchangers, fresh water treatment and household water equipment
| Grade | C (Max) | Si (Max) | Mn (Max) | P (Max) | S (Max) | Cr | Mo | Ni (Max) | Ti/Nb |
|---|---|---|---|---|---|---|---|---|---|
| 409 (S40900) | 0.08 | 1.00 | 1.00 | 0.040 | 0.030 | 10.5–11.75 | — | 0.5 | Ti ≥6*C |
| 430 (S43000) | 0.12 | 0.75 | 1.00 | 0.040 | 0.030 | 16.0–18.0 | — | 0.75 | — |
| 444 (S44400) | 0.025 | 1.00 | 1.00 | 0.040 | 0.030 | 17.5–19.5 | 1.75–2.50 | 1.0 | Stabilized |
No high nickel element, far more economical than 304 austenitic steel for indoor & high-temperature dry service scenarios.
Ferritic chromium matrix maintains stable anti-oxidation performance under continuous high temperature (409 for exhaust systems).
2B, BA, No.4, HL, 8K mirror finishes meet kitchen, elevator and architectural decoration aesthetic demands.
Uniform ferritic grain structure, good ductility for stamping, bending and all cold forming processes.
Added molybdenum effectively resists tap water & mild brine corrosion for water treatment equipment.
Thickness, width, length, surface finish and secondary processing all available per customer drawings.
- Automotive mufflers, exhaust pipes
- Catalytic converter shells
- Industrial boiler flue ducts
- Agricultural heat equipment shells
- Refrigerator & washing machine panels
- Kitchen utensils, elevator decorative sheets
- Indoor wall cladding
- Architectural decorative profiles
- Domestic water heater inner tank
- Fresh water heat exchanger
- Tap water pipeline lining
- Solar water tank, mild brine treatment equipment
We have a professional QC inspection team and complete testing equipment to ensure stable and reliable product quality:
- Ultrasonic testing (UT) for internal defects
- Tensile and hardness testing for mechanical properties
- High-precision dimensional measurement
- Spectrometer for chemical composition verification
- Metallographic microstructure inspection
Every batch of products undergoes strict inspection before delivery to meet the quality requirements of various engineering projects.
- Inner packaging: waterproof polybag for moisture and dust protection, scratch film covered on sheet surface
- Outer packaging: reinforced wooden case / wooden pallet, suitable for long-distance international transportation
- Custom packaging solutions available upon request
- Normally 10 – 45 days after receipt of advance payment
- Exact delivery time depends on order quantity, specification complexity and machining requirements
- Standard stock ferritic sheets delivery within 10–30 working days
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