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

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Steel Grade

1018 Low-Carbon Steel

Hardness

Rockwell C60

Tolerance Rating

Standard

Appearance

Matte

Heat Treatable

Yield Strength

40,000 psi to 99,999 psi

Fabrication

Cold Worked

Certificate Type

Material Certificate with Traceable Lot Number

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DFARS Specialty Metals

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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.

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