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Stainless Steel 17-4, UNS S17400

Stainless Steel 17-4 UNS S17400 Stainless Steel 

ASTM A564, AMS 5643

Level 4
Corrosion Resistance
Level 3

Farmer's Copper Ltd. maintains an inventory of 17-4 stainless steel round bar. UNS S17400 is a precipitation-hardenable (PH) martensitic stainless steel that delivers an excellent combination of oxidation and corrosion resistance and is comparable to 304 in most conditions or environments. Mechanical properties, such as strength and ductility can be optimized with heat treatment. Martensitic stainless steels are magnetic in all conditions. Farmer’s inventories tempers H900, H1150 and H1150D. To find a size, specification, or temper that is not listed, please request a quote to get in contact with a material expert today. We are ready to help meet your exact needs. 

Stainless steel bar

17-4 UNS S17400 Stainless Steel  Shapes

Round Bar

17-4 UNS S17400 Stainless Steel Sizing

Round Bar: 1/8” to 10” dia Condition A (Annealed), H900, H1150, HH1150 (H1150D)


Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.

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Our 17-4 UNS S17400 Stainless Steel  Inventory & Properties

Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.

Chemical Properties

UNS S17400630Min15.

Minimal Mechanical Properties

ConditionTensile Strength ksi [MPa]Yield Strength ksi [MPa]% Elongation% Reduction in AreaHardness
Heat Treated to H9001901701040Rc 40

Our Commitment to Service

As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.

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