UNS S42900 Stainless Steel AISI 429 Flat Bar

UNS S42900 Stainless Steel AISI 429 Flat Bar

Product Information

UNS S42900 is a ferritic stainless steel, also known as ASTM A240 Type 429 stainless steel. It contains a high proportion of chromium to improve its corrosion resistance and heat resistance. In addition, it also contains a small amount of molybdenum element to improve its corrosion resistance.
UNS S42900 stainless steel has good corrosion resistance, high-temperature strength, and wear resistance. It also has good machinability and weldability, and can use the most common machining and welding techniques. However, UNS S42900 stainless steel is prone to deformation and fatigue at high temperatures, and careful consideration should be given when using it.

Size Range

Round bar / Wire rod (Diameter):1.0 mm to 700 mm
Square bar / Flat bar: 5.0 mm to 700 mm
Forging piece: Stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Heavy/middle plate via hot rolled: T5.0 - 1500 mm X W5 - 1000 mm X L100-1000 mm
Sheet steel via cold rolled: T1.0 - 10 mm X W1 - 1000 mm X L100 - 1000 mm
Steel strip via cold rolled: T2.0 - 10 mm X W3.0 - 1000 mm X L (or in coil form)
Length: Fixed length or random length or based on the customer's special requirement.


Chemical Composition and standard

Mechanical Properties

Tensile strength,Rm/MPa: ≥690
Yield strength,Rp/MPa: ≥415

Elongation, A/%: ≥20

Reduction of area, ψ/%: -

Hardness HRC: ≥210

Applications

UNS S42900 stainless steel is commonly used in industrial applications in high-temperature environments, such as automotive exhaust systems, stoves, ovens, etc. It is also used to manufacture corrosion-resistant components such as pumps, valves, and pipelines.

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