ASTM A295 Steel | McMaster-Carr

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113 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.

Hard Wear-Resistant 52100 Alloy Steel Rods

Yield Strength: Not Rated
Hardness: Rockwell C24 (Hard)
Heat Treatable: Yes
Specifications Met: ASTM A108, ASTM A295

Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. It’s used for parts such as bearings, bushings, and punches.

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

Dia.	Dia. Tolerance	Heat Treatment	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
3/16"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1/4"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	0000	00000	00000
5/16"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	0000	00000	00000
3/8"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	0000	00000	00000
7/16"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	00000	00000	00000
1/2"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	00000	00000	00000
9/16"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	00000000	00000	00000	00000
5/8"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	00000	00000
11/16"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	000000	00000	00000	00000
3/4"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	00000	00000
7/8"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	00000	000000
1"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	00000	000000
1 1/8"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1 1/4"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1 3/8"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1 1/2"	-0.006" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1 5/8"	-0.007" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	00000	000000	000000
1 3/4"	-0.007" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	000000	000000	000000
2"	-0.007" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	000000	000000	000000
2 1/2"	-0.007" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	000000	000000	000000
3"	-0.008" to 0"	Annealed (Softened)	3/16" per 10 ft.	0000000	000000	000000	00000000

Hard Wear-Resistant 52100 Alloy Steel Balls

Yield Strength: 295,000 psi
Hardness: Rockwell C60 (Very Hard)
Fabrication: Cold Worked
Specifications Met: See table

High carbon and chromium content makes this 52100 alloy steel extremely hard and resistant to wear. It’s also known as chrome steel. Often used as bearings, these balls are hardened for increased abrasion and impact resistance.

Balls that meet ASTM A295 are manufactured to these standards for quality and performance.

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

Mirror-Like
Dia.	Dia. Tolerance	Heat Treatment	Specifications Met	Pkg. Qty.		Pkg.
0.026"	-0.0001" to 0.0001"	Hardened	ASTM A295	500	00000000	000000
1/32"	-0.0001" to 0.0001"	Hardened	ASTM A295	500	00000000	00000
0.043"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.045"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0512"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0565"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.058"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0614"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0639"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0656"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0667"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.072"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0748"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0761"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0768"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0805"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0833"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	0000000	0000
0.09"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0928"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.0953"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0975"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0981"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.101"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.1025"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.122"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.1265"	-0.0001" to 0.0001"	Hardened	ASTM A295	250	00000000	0000
0.1292"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.1345"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.136"	-0.0001" to 0.0001"	Hardened	ASTM A295	150	00000000	0000
0.137"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.1388"	-0.0001" to 0.0001"	Hardened	ASTM A295	150	00000000	0000
0.1534"	-0.0001" to 0.0001"	Hardened	ASTM A295	150	00000000	0000
0.1891"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
0.194"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
0.2035"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
0.2372"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
21/64"	-0.0001" to 0.0001"	Hardened	ASTM A295	50	00000000	0000
1 3/32"	-0.0001" to 0.0001"	Hardened	ASTM A295	25	00000000	00000
1 5/32"	-0.0001" to 0.0001"	Hardened	ASTM A295	25	00000000	00000
1 7/32"	-0.0001" to 0.0001"	Hardened	ASTM A295	10	00000000	00000
1.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	250	00000000	0000
1.75mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	250	00000000	0000
2.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	250	00000000	0000
2.75mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	250	00000000	0000
3.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	250	00000000	0000
3.75mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	100	00000000	00000
4.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	100	00000000	00000
5.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	100	00000000	00000
5.75mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	100	00000000	00000
6.25mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	100	00000000	00000
6.75mm	-0.0025mm to 0.0025mm	Hardened	ASTM A295	50	00000000	00000

Tight-Tolerance Hard Wear-Resistant 52100 Alloy Steel Balls

Yield Strength: 295,000 psi
Hardness: Rockwell C60 (Very Hard)
Specifications Met: ASTM A295

The diameter of these balls is held to a precise tolerance. They’re made from 52100 alloy steel, also known as chrome steel, which has high levels of carbon and chromium to make them extremely hard and resistant to wear. Often used as bearings, these balls are also hardened to increase their abrasion and impact resistance. They’re manufactured to ASTM A295 standards for quality and performance.

Mirror-Like
Dia.	Dia. Tolerance	Heat Treatment	Mechanical Finish	Pkg. Qty.		Pkg.
0.026"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	000000
1/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
0.043"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
3/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
1/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	00000000	0000
5/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
3/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
7/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	25	00000000	00000
1/8"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	0000000	0000
9/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	0000000	0000
5/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	0000000	0000
11/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	00000000	00000
3/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	0000000	0000
7/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	0000000	00000
0.237"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	00000000	00000
1/4"	-0.00005" to 0.00005"	Hardened	Ground and Polished	2	0000000	0000
17/64"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	00000000	00000
9/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	2	0000000	0000
5/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	2	0000000	0000
11/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	5	00000000	00000
3/8"	-0.00005" to 0.00005"	Hardened	Ground and Polished	2	0000000	0000
13/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	2	00000000	00000
7/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	0000000	0000
15/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	0000000	0000
1/2"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	0000000	0000
17/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	0000000	00000
9/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
5/8"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
11/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
3/4"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
25/32"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
13/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
1 1/8"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
1 3/16"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000
1 3/8"	-0.00005" to 0.00005"	Hardened	Ground and Polished	1	00000000	00000

Hard Wear-Resistant 52100 Alloy Steel Tubes

Yield Strength: See table
Hardness: See table
Heat Treatable: Yes
Maximum Hardness After Heat Treatment: Rockwell C60
Specifications Met: ASTM A295

Easier to machine than 52100 alloy steel rods, these extremely hard and wear-resistant tubes are often used to create bearings, bushings, and other cylindrical parts that are under constant stress. They’re also known as chrome steel.

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

0.245" Wall Thickness (-0.0123" to 0.0123" Tolerance)
OD	OD Tolerance	ID	ID Tolerance	Yield Strength, psi	Hardness		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1.207"	-0.005" to 0.005"	0.688"	Not Rated	140,000	Rockwell B100	0000000	000000	0000000	0000000
0.309" Wall Thickness (-0.02" to 0.02" Tolerance)
1.315"	-0.004" to 0.016"	0.697"	Not Rated	140,000	Rockwell B100	0000000	00000	000000	000000
0.353" Wall Thickness (-0.0176" to 0.0176" Tolerance)
1.551"	-0.005" to 0.005"	0.846"	Not Rated	140,000	Rockwell B100	0000000	00000	000000	000000
0.409" Wall Thickness (-0.0191" to 0.0191" Tolerance)
2.071"	-0.006" to 0.006"	1.253"	Not Rated	140,000	Rockwell B100	0000000	000000	000000	000000
0.472" Wall Thickness (-0.0236" to 0.0236" Tolerance)
2.57"	-0.008" to 0.008"	1.627"	Not Rated	140,000	Rockwell B100	0000000	000000	000000	000000
0.807" Wall Thickness (-0.061" to 0.061" Tolerance)
3.138"	-0.019" to 0.019"	1.524"	Not Rated	50,000	Rockwell B95	0000000	000000	000000	000000