ASTM B139 Bronze | McMaster-Carr

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Specifications Met

ASTM Standard

ASTM B139

System of Measurement

Diameter

Shape

Material

Length

Yield Strength

30,000 psi to 99,999 psi

Not Rated

Temper Rating

Full Hard

Tolerance Rating

Standard

Certificate Type

Material Certificate with Traceable Lot Number

Temper Designation

H04

RoHS

Compliant

Compliant with Exemptions

Hardness Rating

Elongation

REACH

Appearance

DFARS Specialty Metals

Exempt

Heat Treatable

Thermal Conductivity @ Temperature

40 BTU/(hr⋅ft⋅°F) @ 68° F

50 BTU/(hr⋅ft⋅°F) @ 68° F

Melting Point Temperature

1,700° F

1,835° F

Export Control Classification Number (ECCN)

EAR99

Density

0.32 lb/in³

0.321 lb/in³

Modulus of Elasticity

Hardness

Fabrication

Surface Resistivity

33 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.

High-Strength Formable 544 Bearing Bronze

Yield Strength: 50,000 psi
Hardness: Not Rated
Temper: H04 (Full Hard)
Heat Treatable: No
Specifications Met: ASTM B139

Known for its ability to resist stress cracking and fatigue, 544 bronze also offers good formability and excellent machinability. It's commonly called phosphor bronze. In addition to bearings, it is often used for shafts, gears, and valve parts.

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

Dia.	Dia. Tolerance Range		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
3/16"	-0.002" to 0.002"	0000000	00000	00000	000000	000000	000000
1/4"	-0.002" to 0.002"	0000000	0000	00000	00000	00000	00000
5/16"	-0.002" to 0.002"	0000000	00000	00000	00000	00000	00000
3/8"	-0.002" to 0.002"	0000000	00000	00000	00000	00000	000000
7/16"	-0.002" to 0.002"	0000000	00000	00000	00000	00000	00000
1/2"	-0.002" to 0.002"	0000000	00000	00000	00000	00000	000000
9/16"	-0.004" to 0.004"	00000000	00000	00000	00000	00000	000000
5/8"	-0.004" to 0.004"	0000000	00000	00000	00000	00000	000000
11/16"	-0.004" to 0.004"	0000000	00000	00000	00000	000000	000000
3/4"	-0.004" to 0.004"	0000000	00000	00000	00000	000000	000000
7/8"	-0.004" to 0.004"	0000000	00000	00000	000000	000000	000000
1"	-0.004" to 0.004"	0000000	00000	00000	000000	000000	000000
1 1/8"	-0.004" to 0.004"	0000000	00000	00000	000000	000000	000000
1 1/4"	-0.004" to 0.004"	0000000	00000	00000	000000	000000	000000
1 3/8"	-0.004" to 0.004"	0000000	00000	000000	000000	000000	000000
1 1/2"	-0.004" to 0.004"	0000000	00000	000000	000000	000000	000000
1 5/8"	-0.004" to 0.004"	0000000	00000	000000	000000	000000	000000
1 3/4"	-0.004" to 0.004"	0000000	000000	000000	000000	000000	000000
2"	-0.005" to 0.005"	0000000	000000	000000	000000	000000	000000
2 1/4"	-0.006" to 0.006"	00000000	000000	000000	000000	000000	00000000
2 1/2"	-0.006" to 0.006"	00000000	000000	000000	000000	000000	00000000

Ultra-Strength Easy-to-Form 510 Bronze Rods

Yield Strength: Not Rated
Hardness: Not Rated
Temper: H04 (Full Hard)
Heat Treatable: No
Specifications Met: ASTM B139

Because 510 bronze is very strong and formable, it is the best choice for applications involving repetitive motion, such as springs, bellows, and switches.

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

Dia.	Dia. Tolerance Range		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/4"	-0.002" to 0.002"	00000000	000000	000000	000000
5/16"	-0.002" to 0.002"	00000000	00000	00000	00000
3/8"	-0.002" to 0.002"	00000000	00000	00000	00000
1/2"	-0.002" to 0.002"	00000000	00000	00000	000000
5/8"	-0.004" to 0.004"	00000000	00000	000000	000000
3/4"	-0.004" to 0.004"	00000000	00000	000000	000000
7/8"	-0.004" to 0.004"	00000000	00000	000000	000000
1"	-0.004" to 0.004"	00000000	000000	000000	000000
1 1/4"	-0.004" to 0.004"	00000000	000000	000000	000000
1 1/2"	-0.004" to 0.004"	00000000	000000	000000	000000
1 3/4"	-0.004" to 0.004"	00000000	000000	000000	00000000
2"	-0.004" to 0.004"	00000000	000000	000000	00000000