Product List
Gangsteel Material Solution
Email: admin@gangsteel.com
Sales: jack@gangsteel.com
430 magnetic stainless steelis another common name for AISI 430 stainless steel (also known as Type 430, UNS S43000, SUS 430, or EN 1.4016 / X6Cr17).
It is called “magnetic” because 430 stainless steel is strongly magnetic in all conditions — annealed, cold-rolled, formed, or welded. This is due to its ferritic crystal structure (body-centered cubic / BCC), which is inherently ferromagnetic.
Here’s a clear, one-line definition most people use:
430 magnetic stainless steel = low-cost, nickel-free, ferritic stainless steel with 16–18% chromium that is strongly magnetic, has good rust resistance in mild environments, excellent heat conductivity, and is widely used in appliances, kitchenware, trim, and hardware.
Quick Key Facts About 430 Magnetic Stainless Steel
|
Feature |
Details / Value |
|---|---|
|
Full name |
AISI 430 / Type 430 stainless steel |
|
Family |
Ferritic (400 series) |
|
Main alloy |
Chromium 16.00–18.00% |
|
Nickel content |
≤ 0.75% (usually < 0.50% or trace) |
|
Magnetic? |
Yes — strongly magnetic(always) |
|
Why magnetic? |
Ferritic structure (BCC) + very low nickel |
|
Thermal conductivity |
≈ 26 W/m·K (≈60% better than 304) |
|
Thermal expansion |
10.5 × 10⁻⁶/°C (low) |
|
Corrosion resistance |
Good in mild atmospheres, fresh water, mild acids |
|
Typical finishes |
2B (matte), BA (mirror), NO.4 (satin brushed) |
|
Cost |
30–50% lower than 304 |
Why It’s Called “Magnetic” Stainless Steel
Most common stainless steels people know (like 304 and 316) are austenitic and non-magnetic in the annealed state. 430 is different — it’s ferritic, so magnets stick firmly to it (fridge magnets, neodymium magnets, etc.). This magnetism stays strong even after cold working, bending, stamping, or welding.
That’s why many people and manufacturers specifically call it “430 magnetic stainless steel” when they want to highlight this property — especially for applications like:
Common Real-World Uses of 430 Magnetic Stainless Steel
For all these uses, the strong magnetism is often a bonus (or even a requirement), and the low cost + good thermal performance make 430 the go-to grade.
Available from Gangsteel
We supply 430 stainless steel (magnetic grade) in the following range:
Contact our technical sales team today for current pricing, free samples (you can test the magnetism yourself), or customized specifications. Let Gangsteel be your reliable source for genuine, strongly magnetic 430 stainless steel from Yongjin Mill.
We look forward to supporting your project.
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
we supply high-quality A516 Gr 70 steel plate for pressure vessel applications and other standards like ASTM A2
EN10028-2 P355GH for High-Strength Low-Alloy Columbium-Vanadium Structural Steel EN10025-2 S355J2 Structural St
We export A240 304L Stainless Coil 2B, NO.1 No.4 surface, the thickness 0.1mm to 3mm, 3mm to 22mm, Mother mill
