SAE AMS-QQ-C-320 Steel | McMaster-Carr

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Steel Grade

1018 Low-Carbon Steel

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Hardness Rating

Hardness

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Inch

Appearance

Matte

Fabrication

Cold Worked

Heat Treatable

Yield Strength

40,000 psi to 99,999 psi

Certificate Type

Material Certificate with Traceable Lot Number

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Compliant

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18 Products

About Steel

Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

Chrome-Plated Low-Carbon Steel Rods

Yield Strength: 45,000 psi
Hardness: Rockwell C60 (Very Hard)
Heat Treatable: No
Specifications Met: SAE AMS2406, SAE AMS-QQ-C-320

The matte plating on these rods increases corrosion resistance and wear resistance. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance		1/2 ft. Lg.	1 ft. Lg.	3 ft. Lg.
1/4"	-0.002" to 0.002"	0000000	00	000000	000000
5/16"	-0.002" to 0.002"	0000000	00	00000	00000
3/8"	-0.002" to 0.002"	0000000	00	00000	00000
7/16"	-0.002" to 0.002"	0000000	00	00000	00000
1/2"	-0.002" to 0.002"	0000000	000000	00000	00000
9/16"	-0.002" to 0.002"	0000000	00000	00000	000000
5/8"	-0.002" to 0.002"	0000000	00000	00000	00000
3/4"	-0.002" to 0.002"	0000000	00000	00000	00000
7/8"	-0.002" to 0.002"	0000000	00000	00000	000000
15/16"	-0.002" to 0.002"	0000000	00000	00000	000000
1"	-0.002" to 0.002"	0000000	00000	00000	000000
1 1/8"	-0.002" to 0.002"	0000000	00000	00000	000000
1 1/4"	-0.002" to 0.002"	0000000	00000	000000	000000
1 3/8"	-0.002" to 0.002"	0000000	00000	00000	000000
1 1/2"	-0.002" to 0.002"	0000000	00000	000000	000000
1 5/8"	-0.002" to 0.002"	0000000	00000	000000	000000
1 3/4"	-0.002" to 0.002"	0000000	00000	000000	000000
2"	-0.002" to 0.002"	0000000	00000	000000	000000