Grade AR400 Steel | McMaster-Carr

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	Material Material	Show

Steel

AR400 Carbon Steel

	Material Material	Hide

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

2 1/2"

12"

24"

	Length Length

	Shape Shape

	Sheet and Bar

	Hardness Rating Hardness Rating

Hard

	Hardness Hardness

Rockwell C40

	Heat Treatment Heat Treatment

Hardened

	Yield Strength Yield Strength

100,000 to 199,999 psi

Not Rated

	Tolerance Rating Tolerance Rating

Standard

	Fabrication Fabrication

Hot Rolled

	Shape Type Shape Type

Bars

Sheets

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Elongation Elongation

14%

	Minimum Temperature Minimum Temperature

Not Rated

	Maximum Temperature Maximum Temperature

Not Rated

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Appearance Appearance

	Plain

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Specifications Met Specifications Met

ASTM

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Yield Strength: See table
Hardness: Rockwell C40 (Hard)
Specifications Met: See table

The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. It's often used as wear strips, liners, and deflector plates.

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.

6" × 6"
Thick.	Thick. Tolerance	Yield Strength	Heat Treatment	Specifications Met		Each
1/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
3/16"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/2"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
6" × 12"
1/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/16"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/2"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
12" × 12"
1/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/16"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
3/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	00000
1/2"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
3/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
1"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
12" × 24"
1/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
3/16"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
1/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
3/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
1/2"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
3/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
1"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	00000000	000000
24" × 24"
1/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
3/16"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
1/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
3/8"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
1/2"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
3/4"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000
1"	-0.01" to 0.03"	Not Rated	Hardened	ASTM A6	0000000	000000

2" Wd.
Thick.	Thick. Tolerance	Yield Strength, psi	Heat Treatment		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/4"	-0.02" to 0.02"	140,000	Hardened	0000000	000000	000000	000000
3/8"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
1/2"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
2 1/2" Wd.
1/4"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	00000
3/8"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
1/2"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
3" Wd.
1/4"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	00000
3/8"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
1/2"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
4" Wd.
1/4"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
3/8"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	00000	000000
1/2"	-0.02" to 0.02"	140,000	Hardened	0000000	00000	000000	000000

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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

Wear-Resistant AR400 Carbon Steel