ASTM B370 Copper | McMaster-Carr

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	Specifications Met Specifications Met	Show

ASTM

ASTM B370

	Specifications Met Specifications Met	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

12"

24"

36"

	Length Length

	Material Material

Copper

	Appearance Appearance

	Plain

	Shape Shape

	Sheet and Bar

	Temper Rating Temper Rating

Softened (Annealed)

1/4 Hard

	Hardness Rating Hardness Rating

Soft

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Temper Temper

H01

Not Rated

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

DFARS Specialty Metals
COTS-Exempt

	Density Density

0.322 lbs./cu. in.

	Thermal Conductivity Thermal Conductivity

226 Btu/hr. × ft./°F @ 68° F

	Hardness Hardness

Rockwell F40

	Surface Resistivity Surface Resistivity

10.3 Ohms

	Elongation Elongation

45%

	Modulus of Elasticity Modulus of Elasticity

17.0 ksi × 10³

	Yield Strength Yield Strength

Not Rated

	Heat Treatable Heat Treatable

	Melting Point Temperature Melting Point Temperature

1949° F

	Tolerance Rating Tolerance Rating

Standard

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About Copper, Brass, and Bronze

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 ACTIVITY 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	0000
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	00000
0.062"	-0.006" to 0.006"	Not Rated	Rockwell F40 (Soft)	0000000	00000
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	00000
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	00000
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	000000

1/8 to 1/4 Hard Temper Sheets

Yield Strength: Not Rated
Hardness: Rockwell F40 (Soft)
Temper:
0.016" thick. sheets: H01 (1/4 Hard)
0.25" thick. sheets: H00 (1/8 Hard)
All other sizes: H00 (1/8 Hard) to H01 (1/4 Hard)
Heat Treatable: No
Specifications Met:
0.016" thick. sheets: ASTM B152, ASTM B370
All other sizes: ASTM B152

2" × 24"
Thick.	Thick. Tolerance Range		Each
0.016"	-0.003" to 0.003"	00000000	000000
4" × 24"
0.016"	-0.003" to 0.003"	00000000	00000
6" × 6"
0.016"	-0.003" to 0.003"	00000000	0000
6" × 24"
0.016"	-0.003" to 0.003"	00000000	00000
12" × 12"
0.016"	-0.003" to 0.003"	0000000	00000
12" × 24"
0.016"	-0.003" to 0.003"	0000000	00000
12" × 48"
0.016"	-0.003" to 0.003"	00000000	00000
24" × 24"
0.016"	-0.003" to 0.003"	00000000	00000
36" × 48"
0.016"	-0.003" to 0.003"	0000000	000000
36" × 96"
0.016"	-0.003" to 0.003"	0000000	000000

About Copper, Brass, and Bronze

Multipurpose 110 Copper Sheets and Bars