JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Model NO. | 439m |
| Shape | Flat |
| Technique | Cold Rolled |
| Surface Treatment | Bright |
| Specification | 1220*2440, 1500*3000, 1500*6000, 2000*6000mm |
| Production Capacity | 500000kgs |
| Carbon Content | 0.070 |
| Silicon Content | 1.00 |
| Manganese Content | 1.00 |
| Phosphorus Content | 0.040 |
| Sulfur Content | 0.030 |
| Chromium Content | 17.00~19.00 |
| Titanium Content | ≥ 0.20+4(C+N)min - 0.50 max |
| Tensile Strength | 455 |
| Yield Strength | 290 |
| Certification | AISI |
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Product Specification
| Model NO. | 439m | Shape | Flat |
| Technique | Cold Rolled | Surface Treatment | Bright |
| Specification | 1220*2440, 1500*3000, 1500*6000, 2000*6000mm | Production Capacity | 500000kgs |
| Carbon Content | 0.070 | Silicon Content | 1.00 |
| Manganese Content | 1.00 | Phosphorus Content | 0.040 |
| Sulfur Content | 0.030 | Chromium Content | 17.00~19.00 |
| Titanium Content | ≥ 0.20+4(C+N)min - 0.50 max | Tensile Strength | 455 |
| Yield Strength | 290 | Certification | AISI |
| High Light | Cold Rolled Stainless Steel Sheet ，Corrosion Resistant 439 Stainless Steel Sheet ，Automotive Exhaust Application Inox Sheet | ||
439 stainless steel features a balanced composition that maintains a completely ferritic structure across all temperatures, ensuring excellent ductility after welding and superior resistance to intergranular corrosion. Unlike similar ferritic stainless steels such as 430 and 434 alloys, which are susceptible to brittle martensite formation and intergranular corrosion sensitivity in the as-welded condition, 439 stainless steel eliminates the need for post-welding annealing to restore ductility or provide intergranular corrosion resistance.
These properties make 439 stainless steel an ideal choice for various applications, including shell and tube heat exchangers where the close match of thermal expansion coefficients with carbon steel shells may eliminate the need for expansion joints. The alloy is particularly suitable for automotive exhaust system components and residential furnace primary heat exchangers where application temperatures exceed the capabilities of 409 stainless steel.
| Grade | C | Si | Mn | P | S | Cr | Ti |
|---|---|---|---|---|---|---|---|
| 439 | 0.070 | 1.00 | 1.00 | 0.040 | 0.030 | 17.00~19.00 | ≥ 0.20+4(C+N)min - 0.50 max |
| Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|
| 455 | 290 | 34 | 78 |
Hot-rolled wide strip, cold-rolled wide strip, slit strip, cut sheets, precision strip
We stock 439 hot and cold rolled stainless steel sheet, plate, strip and coil.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
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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