ASTM B370 Copper | McMaster-Carr

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Specifications Met

ASTM Standard

ASTM B370

System of Measurement

Thickness

Width

Length

Material

Shape

Hardness Rating

Temper Designation

Temper Rating

Appearance

Certificate Type

Material Certificate with Traceable Lot Number

Hardness

Rockwell F40

Heat Treatment

Annealed

Thermal Conductivity @ Temperature

226 BTU/(hr⋅ft⋅°F) @ 68° F

Melting Point Temperature

1,949° F

Surface Resistivity

10.3 cir. mil·ohm/ft

Elongation

45%

Export Control Classification Number (ECCN)

EAR99

Tolerance Rating

Standard

Modulus of Elasticity

17,000 ksi

DFARS Specialty Metals

REACH

RoHS

Yield Strength

Density

60 Products

About Copper, Brass & Bronze

Compare over 30 copper, brass, and bronze alloys to find the right material for you—all with material certificates for traceability.

Multipurpose 110 Copper Sheets and Bars

Offering high electrical conductivity and formability, 110 copper is 99.9% pure. Also known as ETP copper, it's often used in electrical applications, such as for bus bars and wire connectors, as well as for flashing, gaskets, and rivets.

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.

Softened (Annealed) Temper Sheets

Yield Strength: See table
Hardness: See table
Temper Rating: Softened (Annealed)
Heat Treatable: No
Specifications Met:
0.021" to 0.062" thick. sheets: ASTM B152, ASTM B370
All other sizes: ASTM B152

2" × 24"
Thick.	Thick. Tolerance Range	Yield Strength, psi	Hardness		Each
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	00000
4" × 24"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	00000
6" × 6"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	00000
6" × 24"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	00000
12" × 12"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	0000000	00000
12" × 24"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	00000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	0000000	000000
12" × 48"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	000000
24" × 24"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	00000000	00000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	00000000	000000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	00000000	000000
36" × 48"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	0000000	000000
36" × 96"
0.021"	-0.003" to 0.003"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.027"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.032"	-0.004" to 0.004"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.043"	-0.005" to 0.005"	Not Rated	Rockwell F40 (Soft)	0000000	000000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	0000000	00000000

Hardened Temper Sheets

Yield Strength:
H00, H01 Temper sheets: Not Rated
H02 Temper sheets: 37,000 psi
Hardness:
H00, H01 Temper sheets: Rockwell F40 (Soft)
H02 Temper sheets: Rockwell F83 (Soft)
Temper:
See Table
Heat Treatable: No
Specifications Met:
0.016" thick. sheets: ASTM B152, ASTM B370
All other sizes: ASTM B152

2" × 24"
Thick.	Thick. Tolerance Range	Temper	Temper Rating		Each
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	000000
4" × 24"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	00000
6" × 6"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	00000
6" × 24"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	00000
12" × 12"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	0000000	00000
12" × 24"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	0000000	00000
12" × 48"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	000000
24" × 24"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	00000000	000000
36" × 48"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	0000000	000000
36" × 96"
0.016"	-0.003" to 0.003"	H00 to H01	1/8 Hard to 1/4 Hard	0000000	000000