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.

Standard Sizes

TYPE

MIN SIZE

MAX SIZE

Round Bar

1/8” dia

10”

Chemical Analysis for Stainless 17-4

CHEMICAL COMPOSITION

ASTM

A564

UNS

S17400

Type

630

Carbon (%)

0.07

Manganese (%)

2

Phosphorous (%)

0.04

Sulfur (%)

0.03

Silicon, Max (%)

1

Chromium (%)

15.0-17.5

Nickel (%)

3.0-5.0

Aluminum (%)

--

Molybden (%)

--

Titanium (%)

--

Copper (%)

3.0-5.0

Other Elements (%)

Columbium Plus Titanium 0.15-0.45

Farmer's Copper Ltd. has been serving the metal industry for over 90 years due to its commitment to customer satisfaction. Please contact one of our expert sales associates today, to inquire about your stainless steel needs. Call 1-800-638-2589

Specifications

ASTM A564, Type 630, AMS 5643

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