Chromium Steel | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Shape Shape


Rod and Disc	Ball

Round Tube	Hex Bar

Wire

	Material Material

52100 Alloy Steel

4140 Alloy Steel

Low-Carbon Steel

	Appearance Appearance

Plain

Mirror-Like

Matte

	Tolerance Rating Tolerance Rating

Standard

Undersized

Tight

	Hardness Rating Hardness Rating

Medium

Hard

Very Hard

	Hardness Hardness

	Heat Treatment Heat Treatment

Hardened

Annealed (Softened)

Stress Relieved

	Yield Strength Yield Strength

	Fabrication Fabrication

Cold Worked

Hot Rolled

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Elongation Elongation

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

RoHS Compliant

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

REACH Compliant

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Width Width

	Length Length

	Specifications Met Specifications Met

ASTM

SAE

	Heat Treatable Heat Treatable

Yes

	OD OD

	ID ID

	Wall Thickness Wall Thickness

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210 Products

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

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

Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.

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.

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
3/64"	-0.0001" to 0.0001"	Hardened	__	100	00000000	00000
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
1/16"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
0.0656"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.072"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
0.0761"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
5/64"	-0.0001" to 0.0001"	Hardened	__	100	00000000	00000
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
3/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	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
7/64"	-0.0001" to 0.0001"	Hardened	__	100	00000000	00000
1/8"	-0.0001" to 0.0001"	Hardened	__	100	0000000	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
0.137"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	0000
9/64"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
5/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
11/64"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
3/16"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
0.194"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
7/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
0.2372"	-0.0001" to 0.0001"	Hardened	ASTM A295	100	00000000	00000
1/4"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
17/64"	-0.0001" to 0.0001"	Hardened	__	100	0000000	00000
9/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
5/16"	-0.0001" to 0.0001"	Hardened	__	100	0000000	0000
11/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	00000
3/8"	-0.0001" to 0.0001"	Hardened	__	100	0000000	00000
13/32"	-0.0001" to 0.0001"	Hardened	__	100	0000000	00000
7/16"	-0.0001" to 0.0001"	Hardened	__	100	0000000	00000
15/32"	-0.0001" to 0.0001"	Hardened	__	50	0000000	00000
1/2"	-0.0001" to 0.0001"	Hardened	__	50	0000000	00000
17/32"	-0.0001" to 0.0001"	Hardened	__	50	0000000	00000
9/16"	-0.0001" to 0.0001"	Hardened	__	50	0000000	00000
19/32"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
5/8"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
21/32"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
11/16"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
23/32"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
3/4"	-0.0001" to 0.0001"	Hardened	__	25	0000000	00000
25/32"	-0.0001" to 0.0001"	Hardened	__	10	0000000	0000
13/16"	-0.0001" to 0.0001"	Hardened	__	20	0000000	00000
7/8"	-0.0001" to 0.0001"	Hardened	__	10	0000000	00000
15/16"	-0.0001" to 0.0001"	Hardened	__	10	0000000	00000
1"	-0.0001" to 0.0001"	Hardened	__	5	0000000	00000
1 1/16"	-0.0001" to 0.0001"	Hardened	__	5	0000000	00000
1 1/8"	-0.0001" to 0.0001"	Hardened	__	5	0000000	00000
1 3/16"	-0.0001" to 0.0001"	Hardened	__	1	0000000	0000
1 1/4"	-0.0001" to 0.0001"	Hardened	__	1	0000000	0000
1 5/16"	-0.0001" to 0.0001"	Hardened	__	4	0000000	00000
1 3/8"	-0.0001" to 0.0001"	Hardened	__	1	0000000	0000
1 7/16"	-0.0001" to 0.0001"	Hardened	__	2	0000000	00000
1 1/2"	-0.0002" to 0.0002"	Hardened	__	1	0000000	0000
1 9/16"	-0.0002" to 0.0002"	Hardened	__	1	00000000	00000
1 5/8"	-0.0002" to 0.0002"	Hardened	__	1	0000000	00000
1 11/16"	-0.0002" to 0.0002"	Hardened	__	1	00000000	00000
1 3/4"	-0.0002" to 0.0002"	Hardened	__	1	0000000	00000
1 7/8"	-0.0002" to 0.0002"	Hardened	__	1	0000000	00000
2"	-0.0002" to 0.0002"	Hardened	__	1	0000000	00000
2 1/8"	-0.0002" to 0.0002"	Hardened	__	1	0000000	00000
2 1/4"	-0.0005" to 0.0005"	Hardened	__	1	0000000	00000
2 3/8"	-0.0002" to 0.0002"	Hardened	__	1	0000000	000000
2 1/2"	-0.0002" to 0.0002"	Hardened	__	1	0000000	000000
2 5/8"	-0.0002" to 0.0002"	Hardened	__	1	0000000	000000
2 3/4"	-0.0002" to 0.0002"	Hardened	__	1	0000000	000000
3"	-0.0005" to 0.0005"	Hardened	__	1	0000000	000000
3 1/4"	-0.0005" to 0.0005"	Hardened	__	1	00000000	000000
3 1/2"	-0.0005" to 0.0005"	Hardened	__	1	00000000	000000
4"	-0.0005" to 0.0005"	Hardened	__	1	00000000	000000
4 1/2"	-0.003" to 0.003"	Hardened	__	1	00000000	000000
1mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
1.5mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
2mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
2.5mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
3mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
3.5mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
4mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
4.5mm	-0.0025mm to 0.0025mm	Hardened	__	50	0000000	0000
5mm	-0.0025mm to 0.0025mm	Hardened	__	100	0000000	0000
5.5mm	-0.0025mm to 0.0025mm	Hardened	__	50	0000000	0000
6mm	-0.0025mm to 0.0025mm	Hardened	__	50	0000000	0000
6.5mm	-0.0025mm to 0.0025mm	Hardened	__	50	0000000	0000
7mm	-0.0025mm to 0.0025mm	Hardened	__	50	0000000	0000
8mm	-0.0025mm to 0.0025mm	Hardened	__	25	0000000	0000
9mm	-0.0025mm to 0.0025mm	Hardened	__	20	0000000	0000
10mm	-0.0025mm to 0.0025mm	Hardened	__	20	0000000	0000
12mm	-0.0025mm to 0.0025mm	Hardened	__	10	0000000	0000
13mm	-0.0025mm to 0.0025mm	Hardened	__	5	0000000	0000
14mm	-0.0025mm to 0.0025mm	Hardened	__	5	0000000	0000
15mm	-0.0025mm to 0.0025mm	Hardened	__	5	0000000	0000
16mm	-0.0025mm to 0.0025mm	Hardened	__	5	0000000	0000
18mm	-0.0025mm to 0.0025mm	Hardened	__	3	0000000	0000
24mm	-0.0025mm to 0.0025mm	Hardened	__	3	0000000	00000

Tight-Tolerance Hard Wear-Resistant 52100 Alloy Steel Balls

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

The diameter on these balls is held to a precise tolerance. Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.

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

Mirror-Like
Dia.	Dia. Tolerance	Heat Treatment	Pkg. Qty.		Pkg.
1/16"	-0.00005" to 0.00005"	Hardened	5	00000000	00000
1/8"	-0.00005" to 0.00005"	Hardened	5	0000000	0000
9/64"	-0.00005" to 0.00005"	Hardened	5	0000000	0000
5/32"	-0.00005" to 0.00005"	Hardened	5	0000000	0000
3/16"	-0.00005" to 0.00005"	Hardened	5	0000000	0000
7/32"	-0.00005" to 0.00005"	Hardened	5	0000000	00000
1/4"	-0.00005" to 0.00005"	Hardened	2	0000000	0000
9/32"	-0.00005" to 0.00005"	Hardened	2	0000000	0000
5/16"	-0.00005" to 0.00005"	Hardened	2	0000000	0000
3/8"	-0.00005" to 0.00005"	Hardened	2	0000000	0000
7/16"	-0.00005" to 0.00005"	Hardened	1	0000000	0000
15/32"	-0.00005" to 0.00005"	Hardened	1	0000000	0000
1/2"	-0.00005" to 0.00005"	Hardened	1	0000000	0000
17/32"	-0.00005" to 0.00005"	Hardened	1	0000000	00000

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.

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	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	00000	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	00000	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	00000	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	000000

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.

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.

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"	0.717"	-0.01" to 0.01"	140,000	Rockwell B100	0000000	000000	000000	0000000
0.309" Wall Thickness (-0.0155" to 0.0155" Tolerance)
1.315"	-0.005" to 0.005"	0.697"	-0.01" to 0.01"	140,000	Rockwell B100	0000000	00000	00000	000000
0.353" Wall Thickness (-0.0176" to 0.0176" Tolerance)
1.551"	-0.005" to 0.005"	0.846"	-0.01" to 0.01"	140,000	Rockwell B100	0000000	00000	000000	000000
0.382" Wall Thickness (-0.0191" to 0.0191" Tolerance)
2.071"	-0.006" to 0.006"	1.253"	-0.01" to 0.01"	140,000	Rockwell B100	0000000	00000	000000	000000
0.472" Wall Thickness (-0.0236" to 0.0236" Tolerance)
2.57"	-0.008" to 0.008"	1.627"	-0.01" to 0.01"	140,000	Rockwell B100	0000000	00000	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

Hard Wear-Resistant 52100 Alloy Steel Wire

Yield Strength: Not Rated
Hardness: Rockwell B95 (Medium)
Heat Treatable: Yes
Tensile Strength: 105,900 psi

Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. This wire is often used for small-diameter bearings, bushings, and punches.

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

Diameter	Diameter Tolerance	Length, ft.	Heat Treatment	Weight, lbs.	Container Type		Each
0.051"	-0.002" to 0.002"	165	Annealed (Softened)	1	Spool	00000000	000000
0.075"	-0.002" to 0.002"	58	Annealed (Softened)	1	Spool	00000000	00000
0.103"	-0.002" to 0.002"	36	Annealed (Softened)	1	Spool	00000000	00000
0.126"	-0.002" to 0.002"	26	Annealed (Softened)	1	Spool	00000000	00000
0.142"	-0.002" to 0.002"	16	Annealed (Softened)	1	Spool	00000000	00000
0.165"	-0.002" to 0.002"	14	Annealed (Softened)	1	Spool	00000000	00000
0.19"	-0.002" to 0.002"	10	Annealed (Softened)	1	Spool	00000000	00000
0.218"	-0.002" to 0.002"	8	Annealed (Softened)	1	Spool	00000000	00000

Chrome-Plated Hardened Multipurpose 4140 Alloy Steel Rods

Yield Strength: 100,000 psi
Hardness: Rockwell C30 (Hard)

The chrome plating on these rods increases corrosion resistance. They are hardened for increased abrasion and impact resistance. Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.

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	Finish Thick.		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/2"	-0.0015" to 0"	0.0005"	000000	000000	000000	000000	0000000	0000000
3/4"	-0.0015" to 0"	0.0005"	0000000	00000	00000	000000	000000	000000
1"	-0.002" to 0"	0.0005"	0000000	00000	00000	00000	000000	000000
1 1/4"	-0.002" to 0"	0.0005"	0000000	00000	00000	000000	000000	000000
1 3/8"	-0.002" to 0"	0.0005"	00000000	00	00000	000000	000000	000000
1 1/2"	-0.002" to 0"	0.0005"	0000000	00000	00000	000000	000000	000000
1 3/4"	-0.002" to 0"	0.0005"	00000000	00	000000	000000	000000	000000
2"	-0.002" to 0"	0.0005"	0000000	00000	000000	000000	000000	000000
2 1/4"	-0.002" to 0"	0.0005"	00000000	00000	000000	000000	000000	000000
2 1/2"	-0.002" to 0"	0.0005"	00000000	00	000000	000000	000000	000000
3"	-0.002" to 0"	0.0005"	00000000	000000	00	000000	00	00
4 1/2"	-0.004" to 0"	0.0005"	00000000	000000	000000	00	00	00
25mm	-0.038mm to 0mm	0.0005"	00000000	00	00000	00000	000000	000000
32mm	-0.038mm to 0mm	0.0005"	0000000	00000	00000	00000	000000	000000
35mm	-0.038mm to 0mm	0.0005"	0000000	00000	00000	000000	000000	000000
36mm	-0.038mm to 0mm	0.0005"	0000000	00	00	00	000000	000000
40mm	-0.038mm to 0mm	0.0005"	0000000	00000	00000	000000	000000	000000
45mm	-0.038mm to 0mm	0.0005"	00000000	00000	000000	000000	000000	00
50mm	-0.038mm to 0mm	0.0005"	00000000	00000	000000	000000	000000	000000
63mm	-0.038mm to 0mm	0.0005"	00000000	00	000000	000000	00	00
65mm	-0.051mm to 0mm	0.0005"	00000000	00	000000	000000	00	00
70mm	-0.051mm to 0mm	0.0005"	00000000	00	00	000000	000000	00
80mm	-0.077mm to 0mm	0.0005"	00000000	00	000000	000000	000000	00

Hardened Multipurpose 4140 Alloy Steel Hex Bars

Yield Strength: 105,000 psi
Hardness: Rockwell C35 (Hard)
Specifications Met: ASTM A29, ASTM A108, ASTM A193

These hex bars are hardened for increased abrasion and impact resistance. They are also stress relieved to reduce the chance of warping during machining. Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.

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.

Wd.	Wd. Tolerance	Heat Treatment		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.	10 ft. Lg.
5/8"	-0.007" to 0.007"	Hardened, Stress Relieved	0000000	00	000000	000000	000000	000000	0000000
3/4"	-0.007" to 0.007"	Hardened, Stress Relieved	0000000	00	00000	00000	00000	000000	000000
7/8"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	000000	00000	00000	00000	000000	000000
1"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	00000	00000	00000	00000	000000	000000
1 1/8"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	00000	00000	00000	000000	000000	000000
1 1/4"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	00000	00000	000000	000000	000000	000000
1 3/8"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	00000	00000	000000	000000	000000	00
1 1/2"	-0.008" to 0.008"	Hardened, Stress Relieved	0000000	00000	00000	000000	000000	000000	000000
1 3/4"	-0.009" to 0.009"	Hardened, Stress Relieved	0000000	00000	000000	000000	000000	000000	00
2"	-0.009" to 0.009"	Hardened, Stress Relieved	0000000	00000	000000	000000	000000	000000	000000

Multipurpose 4140 Alloy Steel Hex Bars

Yield Strength: 60,000 psi
Hardness: Rockwell B90 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated
Specifications Met: ASTM A108, ASTM A304

Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.

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

Wd., mm	Wd. Tolerance, mm	Heat Treatment		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
5	-0.051 to 0	Annealed (Softened)	000000	00000	000000	000000
7	-0.051 to 0	Annealed (Softened)	000000	0000	00000	00000
10	-0.051 to 0	Annealed (Softened)	000000	00000	00000	00000
12	-0.051 to 0	Annealed (Softened)	000000	00000	00000	00000
15	-0.051 to 0	Annealed (Softened)	000000	00000	00000	00000
20	-0.013 to 0	Annealed (Softened)	000000	00000	00000	000000
27	-0.013 to 0	Annealed (Softened)	000000	00000	000000	000000
50	-0.102 to 0	Annealed (Softened)	000000	000000	000000	000000

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	0000	00000
3/8"	-0.002" to 0.002"	0000000	00	0000	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	00000
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	00000
15/16"	-0.002" to 0.002"	0000000	00000	00000	00000
1"	-0.002" to 0.002"	0000000	00000	00000	00000
1 1/8"	-0.002" to 0.002"	0000000	00000	00000	00000
1 1/4"	-0.002" to 0.002"	0000000	00000	00000	00000
1 3/8"	-0.002" to 0.002"	0000000	00000	00000	000000
1 1/2"	-0.002" to 0.002"	0000000	00000	00000	000000
1 5/8"	-0.002" to 0.002"	0000000	00000	00000	000000
1 3/4"	-0.002" to 0.002"	0000000	00000	00000	000000
2"	-0.002" to 0.002"	0000000	00000	00000	000000