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Address: No.1210, 39 BLDG, No.289, Fangcheng RD, New District, Wuxi, Jiangsu, China
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Wuxi Guanglu Special Steel Co., Ltd |
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Type 439 (also known as ASTM XM-8) is a ferritic stainless steel designed to resist corrosion
in a variety of oxidizing environments from fresh water to boiling acids.
Type 439 is a titanium stabilized, 18 percent chromium alloy that may be used in many
oxidizing environments where Type 304 is considered adequate in terms of general
corrosion resistance but is subject to chloride stress corrosion cracking. It is often used in
place of Type 409 where higher thermal conductivity is required.
Type 439 does not require annealing after welding to restore ductility
or to provide intergranular corrosion resistance.
Type 439 also has superior formability capabilities and is heavily used in the automotive industry;
it can be work hardened slightly to increase tensile strength.
| 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 |
Typical annealed state mechanical properties
| Tensile strength | Yiled strength | Elongation | Hardness |
| 455 | 290 | 34 | 78 HB |
Product forms
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.
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs
Tel: +86 510 81812873
Email: export@guanglusteel.com
