Farmer's Copper Ltd. maintains an inventory of Type 303, stainless steel in round, square and hex bar. 303 Stainless is the free-machining grade, the addition of sulfur and phosphorus improves machinability and non-seizing characteristics for use in automatic machining operations. Type 303 is a non-magnetic austenitic stainless steel, which is harden only by cold working.

Standard Sizes

TYPE

MIN SIZE

MAX SIZE

Round Bar

1/8” dia

8-1/2”

Square Bar

3/16”

3/4”

Hex Bar

3/8”

1-3/4”

Flat Bar

upon request

 

Chemical Analysis of 303 Stainless Steel

CHEMICAL COMPOSITION

ASTM

A582

UNS

S30300

Type

303

Carbon (%)

0.15

Manganese (%)

2

Phosphorous (%)

0.2

Sulfur (%)

0.15 min

Silicon, Max (%)

1

Chromium (%)

17.0-19.0

Nickel (%)

8.0-10.0

Molybden (%)

--

Selenium (%)

--

Other Elements (%)

--

Since 1920, Farmer's has been serving the metal industry. Our knowledgeable sales staff will be happy to assist you in your request on stainless steel. Call 1-800-638-2589

Specifications

ASTM A582, QQ-S-764

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