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

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System of Measurement

Diameter

Shape

Length

Hardness Rating

Material

Finish

Tolerance Rating

Steel Grade

1018 Low-Carbon Steel

Hardness

Appearance

Performance

Specifications Met

ANSI/MSS SP-58 Type 23

OSHA Compliant 29 CFR 1926.701

Yield Strength

40,000 psi to 99,999 psi

Application

Multipurpose

Fabrication

Cold Worked

Heat Treatable

Minimum Temperature

Not Rated

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Certificate Type

Material Certificate with Traceable Lot Number

REACH

Maximum Temperature

RoHS

Elongation

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

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17 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.

Corrosion-Resistant Low-Carbon Steel Rods

These rods are treated for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine and form. It's widely fabricated into low-strength fasteners and pins.

Chrome-Plated Low-Carbon Steel—The matte plating on these rods increases corrosion resistance and wear resistance.

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

	Dia. Tolerance	Fabrication	Yield Strength, psi	Hardness	Specs. Met		1/2 ft. Long	1 ft. Long	3 ft. Long
Chrome-Plated Low-Carbon Steel



	1/4"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K31	—	000000	000000


	5/16"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K37	—	00000	00000
	3/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K32	—	00000	00000
	7/16"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K38	—	00000	00000
	1/2"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K33	000000	00000	00000
	9/16"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K39	00000	00000	000000
	5/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K34	00000	00000	00000
	3/4"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K35	00000	00000	00000
	7/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K41	00000	00000	000000
	1"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K36	00000	00000	000000
	1 1/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K43	00000	00000	000000


	1 1/4"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K44	00000	000000	000000
	1 3/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K45	00000	00000	000000
	1 1/2"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K46	00000	000000	000000
	1 5/8"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K47	00000	000000	000000
	1 3/4"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K48	00000	000000	000000
	2"	-0.002" to 0.002"	Cold Worked	45,000	Rockwell C60 (Extra Hard)	SAE AMS2406, SAE AMS-QQ-C-320	7936K51	00000	000000	000000