Bright Surface Corrosion Resistant 430 Stainless Steel Sheet 1220*2440mm Cold Rolled
Price:
1.55
MOQ:
120
Delivery Time:
Negotiable
Product Description
Grade AISI430 / 430 / SUS430 / 1.4016 Stainless Steel Sheet
Available in Stock - Ready for Immediate Delivery
Product Specifications
| Product | 430 Stainless Steel Sheet |
|---|---|
| Thickness | Cold Rolled: 0.3 - 3.0mm Hot Rolled: 4.0 - 10.0mm |
| Standard Size | Cold Rolled: 1000×2000mm, 1219×2438mm Hot Rolled: 1500×6000mm |
| Surface | 2B, BA, NO.4, Hairline, Mirror 8K, etc. |
| Brand | TISCO, JISCO, POSCO, BAOSTEEL |
| Standard | ASTM A240 / JIS G4305 / EN 10088-2 |
| Other Available Grades | 201, 202, 301, 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 430, 440, 441, 443, 444, 2205, 2507, etc. |
| Additional Services | Slit Cutting, Surface Processing |
430 Stainless Steel Overview
Stainless steel grade 430 is a non-hardenable steel containing straight chromium, belonging to the ferritic group of steels. This steel is recognized for its excellent corrosion resistance, superior formability, and practical mechanical properties, making it suitable for various chemical applications.
Grade 430F stainless steel is typically supplied in bar form for use in automatic screw machines, while grade 434 offers similar properties with enhanced corrosion resistance due to its molybdenum content.
Chemical Composition
Table 1 - Chemical compositions of grade 430 stainless steels
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| 430 | 0.12 max | 1.0 max | 1.0 max | 0.04 max | 0.030 max | 16-18 | - | 0.50 max | - |
| 430F | 0.12 max | 1.25 max | 1.0 max | 0.06 max | 0.15 min | 16-18 | - | - | - |
Mechanical Properties
Table 2 - Mechanical properties of grade 430 stainless steels
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness Rockwell B (HR B) max | Hardness Brinell (HB) max |
|---|---|---|---|---|---|
| 430 | 483 | 310 | 22 | 85 | 183 |
| 430F | 552 typical | 379 typical | 25 typical | - | 262 |
Physical Properties
Table 3 - Physical properties of grade 430 stainless steels in annealed condition
| Grade | Density (kg/m³) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) |
|---|---|---|---|---|---|---|
| 430 | 7750 | 200 | 10.4 (0-100°C) 11.0 (0-315°C) 11.4 (0-538°C) |
26.1 (at 100°C) 26.3 (at 500°C) |
460 | 600 |
| 430F | 7750 | 200 | 10.4 (0-100°C) 11.0 (0-315°C) 11.4 (0-538°C) |
26.1 (at 100°C) 26.3 (at 500°C) |
460 | 600 |
Grade Specification Comparison
Table 4 - Grade specifications for 430 stainless steels
| Grade | UNS No | Old British BS | Old British En | Euronorm No | Euronorm Name | Swedish SS | Japanese JIS |
|---|---|---|---|---|---|---|---|
| 430 | S43000 | 430S17 | 60 | 1.4016 | X8Cr17 | 2320 | SUS 430 |
| 430F | S43020 | - | - | 1.4104 | X12CrMoS17 | 2383 | SUS 430F |
Alternative Grade Options
Table 5 - Possible alternatives to grade 430 stainless steel
| Alternative Grade | Application Considerations |
|---|---|
| 430F | Higher machinability required in bar products with acceptable reduced corrosion resistance |
| 434 | Enhanced pitting resistance requirements |
| 304 | Need for slightly higher corrosion resistance with improved weldability and cold forming capabilities |
| 316 | Requirement for superior corrosion resistance with enhanced weldability and cold forming properties |
| 3CR12 | Cost-critical applications where lower corrosion resistance is acceptable |
Performance Characteristics
Corrosion Resistance
All ferritic grades, including stainless steel grade 430, demonstrate excellent stress corrosion cracking resistance. Grade 430 provides good corrosion resistance to numerous substances, with maximum performance achieved in well-polished or buffed conditions. Its pitting and crevice corrosion resistance is comparable to grade 304. Note that 430F, being a high-sulfur free machining grade, offers slightly reduced pitting and crevice corrosion resistance compared to non-free machining grades.
Heat Resistance
Stainless steel grade 430 maintains oxidation resistance up to 870°C (1598°F) in intermittent service and up to 815°C (1499°F) in continuous service. The material may exhibit brittleness at room temperature after prolonged exposure in the 400-600°C (752-1112°F) range, which can be mitigated through proper annealing.
Heat Treatment
Solution annealing involves heating to 815-845°C (1499-1553°F), followed by slow furnace cooling to 600°C (1112°F) and subsequent rapid air cooling. Avoid slow cooling between 540-400°C (1004-752°F) to prevent embrittlement. For sub-critical annealing, heat to 760-815°C (1400-1499°F) followed by air cooling or water quenching. This stainless steel cannot be hardened through thermal treatment.
Welding
Pre-heating at 150-200°C (302-392°F) is required before welding grade 430. Post-weld annealing at 790-815°C (1454-1499°F) can address embrittlement in welded areas, though grain refinement will not occur. Recommended filler rods include grade 430, 308L, 309, or 310 based on specific application requirements.
Machining
Grade 430 offers improved machinability compared to standard austenitic steels like grade 304, though galling may occur. Lightly drawn bars provide better machining characteristics than annealed bars. Grade 430F is specifically designed for excellent machinability.
Fabrication
The low work hardening rate of grade 430 facilitates easy bending and forming operations. However, the material's limited ductility may restrict very rigorous forming operations. Grade 430 wire handles cold heading well, with sub-critical intermediate annealing recommended for extreme cold working applications.
Common Applications
- Dish washer linings
- Refrigerator cabinet panels
- Element supports and fasteners
- Stove trim rings and chimney liners
- Automotive trim and lashing wires
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Company
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben