430 Stainless Steel Plate – Premium Ferritic Grade for Magnetic, Decorative & Heat-Resistant Applications
Meta Description: 430 Stainless Steel Plate – fully magnetic, excellent formability, BA & No.1 finishes. Competitive 430 stainless steel plate price from the best 430 stainless steel plate distributor. Download 430 stainless steel data sheet.
Introduction – Why Choose 430 Stainless Steel Plate?
When your project demands excellent formability, full magnetism, and the lowest stainless price, 430 Stainless Steel Plate is the intelligent choice. This ferritic 430 stainless steel plate offers continuous service up to 815 °C, superior weldability, and 30–40 % lower cost than 304, making it the global standard for automotive exhaust systems, kitchen appliances, and architectural cladding. Whether you need 430 stainless steel plate for refrigerator liners or BA finish 430 stainless steel plate for elevator cabins, our mill-direct supply ensures full traceability, rapid delivery, and competitive 430 stainless steel plate price.
[Image Placeholder 1: Mirror 8K and BA finish 430 stainless steel plate close-up showing perfect reflection]
Alt text: Mirror 8K and BA Finish 430 Stainless Steel Plate – Premium Reflective Surface for Decorative Applications
Product Overview & Core Advantages
- Ferritic structure – fully magnetic, ideal for sensors & induction heating
- Maximum heat resistance – 815 °C continuous, 900 °C intermittent
- Superior weldability – no post-weld anneal required for most services
- Lowest stainless price – 30–40 % cheaper than 304
- Excellent formability – easy to deep-draw, brake-form, emboss
- Premium polishability – BA finish 430 stainless steel plate Ra ≤0.2 μm
- Global supply – best 430 stainless steel plate distributor network to 80+ countries
Chemical Composition of 430 Stainless Steel Plate
| Element | Min % | Max % |
|---|---|---|
| Cr | 16.0 | 18.0 |
| Mn | — | 1.00 |
| Si | — | 1.00 |
| C | — | 0.12 |
| P | — | 0.040 |
| S | — | 0.030 |
| Fe | Balance | Balance |
Extracted from official 430 stainless steel data sheet.
Mechanical & Physical Properties
Table 1 – Room Temperature Properties (ASTM A240)
| Property | Value |
|---|---|
| Yield Strength | ≥205 MPa |
| Tensile Strength | ≥450 MPa |
| Elongation | ≥22 % |
| Hardness HRB | ≤88 |
| Density | 7.7 g/cm³ |
Table 2 – Physical Properties
| Property | Value |
|---|---|
| Thermal Conductivity | 25 W/m·K |
| Thermal Expansion | 10.4 µm/m·K (20–100 °C) |
| Magnetic Permeability | Fully magnetic |
| Max Service Temp | 815 °C continuous |
Superior to 304 in thermal conductivity and expansion.
430 vs 304 vs 201 vs 409 vs 441 Comparison Table
| Grade | Cr % | Ni % | Thermal Conductivity | Relative Cost | Best Use |
|---|---|---|---|---|---|
| 430 | 16–18 | ≤0.6 | 25 W/m·K | 0.6× | Appliances, trim |
| 304 | 18–20 | 8–10.5 | 16 W/m·K | 1.0× (base) | General corrosion |
| 201 | 16–18 | 3.5–5.5 | 16 W/m·K | 0.7× | Decorative |
| 409 | 10.5–11.75 | ≤0.5 | 25 W/m·K | 0.5× | Automotive exhaust |
| 441 | 17.5–19.5 | ≤0.5 | 25 W/m·K | 0.7× | Welded exhaust |
430 vs 304 stainless steel: 430 is 30–40 % cheaper and fully magnetic.
Available Specifications & Surface Finishes
| Thickness (mm) | Width (mm) | Length (mm) | Finish |
|---|---|---|---|
| 0.4–3.0 | 1000–1524 | 2000–6000 | 2B, BA |
| 3.0–12.0 | 1250–2000 | 2000–12000 | No.1 |
| 12–50 | 1500–2500 | 2000–12000 | HRAP |
| 50–100 | 1500–3000 | 2000–12000 | Forged |
Custom cut-to-size available.
Surface Finish Guide for 430 Stainless Steel Plate
| Finish | Appearance | Ra (µm) | Best Use |
|---|---|---|---|
| 2B | Matte, smooth | ≤0.4 | General forming |
| BA | Mirror, bright | ≤0.2 | Elevator, appliances |
| No.1 | Mill, scale-free | ≤1.2 | Industrial, heat-resistant |
| No.4 | Brushed, linear | ≤0.4 | Decorative panels |
| 8K | Mirror, ultra-bright | ≤0.1 | Luxury décor |
| Embossed | Custom patterns | ≤0.4 | Elevator cabins |
Premium BA finish 430 stainless steel plate available up to 8K mirror.
Major Applications & Industries
- Kitchen appliances – refrigerator liners, dishwasher panels, oven trims
- Automotive trim – door sills, exhaust shields, magnetic skins
- Elevator cabins – BA finish 430 stainless steel plate for mirror walls
- White goods drums – washing machine, dryer cylinders
- Architectural panels – No.1 finish 430 stainless steel plate for façades
- Food processing equipment – magnetic, food-safe surfaces
- Magnetic whiteboards – sensor-compatible surfaces
- Cost-effective indoor panels – urban façades, column covers
[Image Placeholder 2: Infographic-style 430 stainless steel data sheet + comparison chart vs 304]
Alt text: 430 Stainless Steel Data Sheet + Comparison Chart vs 304 – Thermal Conductivity, Price, Magnetic Properties
[Image Placeholder 3: Real-life application collage showing 430 plates in refrigerators, elevator cabins, kitchen backsplashes, car trim]
Alt text: Real Applications of 430 Stainless Steel Plate – Refrigerators, Elevator Cabins, Kitchen Backsplashes, Car Trim
Why We Are the Best 430 Stainless Steel Plate Distributor
- Mill-direct pricing – 30–40 % cheaper than 304
- 500 000 t annual ferritic capacity – 5-day lead time
- ISO 9001 certified – EN 10204 3.1 MTC supplied
- In-house brushing & embossing – Ra ≤0.2 μm mirror finish
- Same-day cutting & protective film – tolerances ±0.2 mm
- Real-time stock portal – 24/7 visibility for 430 stainless steel plate price
FAQ – 430 Stainless Steel Plate
Q1: Is 430 stainless steel magnetic?
A: Fully ferritic – ideal for induction heating and sensor applications.
Q2: What is the difference between 430 vs 304 stainless steel?
A: 430 is 30–40 % cheaper, fully magnetic, and has lower corrosion resistance than 304.
Q3: Can 430 stainless steel be used for food contact?
A: Yes – food-grade 430 stainless steel meets FDA/3A for mild food environments.
Q4: Does 430 stainless steel rust?
A: Good in mild atmospheres; not suitable for coastal or chloride-rich environments.
Q5: What is the best surface finish for decoration?
A: BA finish 430 stainless steel plate – mirror-like, Ra ≤0.1 μm.
Q6: What is the maximum service temperature?
A: 815 °C continuous, 900 °C intermittent in clean air.
Q7: What is the latest 430 stainless steel plate price?
A: Mill-direct FOB China USD 1.80–2.20/kg depending on chromium surcharge; fixed for 48 h.
Q8: Do you export worldwide?
A: Yes – to 80+ countries including UK, Germany, India, UAE, South Korea, and Australia.
Conclusion + Powerful Call-to-Action
Stop paying nickel premiums. Contact the most trusted 430 stainless steel plate supplier today for the latest 430 stainless steel plate price, immediate access to massive 430 stainless steel sheets stock, and same-day cutting of any finish.