439 Stainless Steel Coil

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439 Stainless Steel Coil

Type 439 , a titanium-stabilized 18% chromium alloy, is a ferritic stainless steel designed to resist corrosion in a wide range of oxidizing environments from fresh water to boiling acids.Type 439 is also used in many oxidizing environments, where Type 304 is considered adequate for general corrosion resistance, but is subject to chloride stress corrosion cracking. This variation does not require post-weld annealing to restore ductility or provide resistance to intergranular corrosion.

Excellent resistance to stress corrosion cracking, good weldability, high thermal conductivity and low thermal expansion properties make Type 439 stainless steel ideal for many applications.

Application

Appliances

Hot water tanks, home furnaces

Automotive

Hard-to-form exhaust system components, tube manifolds, mufflers

Heat exchangers for power generation