Technical Specifications For 70 / 30 Brass Tubes
 

STANDARD

BS 2871 PART 3

ASTM B 135

NFA 51 102

IS 407

JIS  H3300

AS 1572

DIN 17671

IS 1545

SYMBOL

CZ 126

C 26000

CuZn30

CuZn30As

C 2600

259

CuZn30 2.0265

CuZn30As

Cu

69.0-71.0

68.5-71.5

68.5-71.5

68.5-71.5

68.5-71.5

69.0-71.0

69.0-71.0

69.0-71.0

Sn

-

-

-

-

-

-

0.05

-

Al

-

-

-

-

-

-

0.02

-

Pb

0.07

0.07

0.07

0.07

0.07

0.05

0.05

0.07

Ni

-

-

-

-

-

-

0.2

-

Fe

0.06

0.05

0.06

0.06

0.05

0.05

0.05

0.06

Zn

 REM’DER

 REM’DER

 REM’DER

 REM’DER

 REM’DER

 REM’DER

 REM’DER

 REM’DER

As

0.02-0.06

-

0.02-0.06

0.02-0.06

-

0.02-0.06

-

0.02-0.06

TOTAL IMPURITIES MAX.

0.3

-

0.3

0.3

-

-

0.1

0.3

CONDITION --                      --

M

H58

-

O

O

O

F28

O

TA

H80

-

TA

OH

1/4H

F35

TA

O

-

-

HD

1/2H

1/2H

F42

HD

-

-

-

-

H

H

-

--

YIELD STRENGTH N /MM 2

-

-

-

-

-

-

180 Max.

-

-

-

-

-

-

-

200 Max.

-

-

-

-

-

-

-

320 Max.

-

TENSILE    N / MM2 Minimum

370

-

285Mpa

275

280-350 Mpa

280-350

375 Max.

-

455

-

300 Mpa

275

320 Mpa

350-420

340

-

-

-

400 Mpa

373

-

420

385

-

-

-

-

451

400 Mpa

-

-

ELNG’TION Percent (%) Minimum

-

-

-

-

45

40

-

-

-

-

-

-

45

35

-

56

-

-

-

-

20

-

-

-

HARDNESS HV 5

150 Min.

-

-

75 Max.

-

80 Max.

-

80 Max.

-

-

80-105

-

80-105

-

80-105

80-110

-

95-130

-

80-105

75 Max.

-

-

135 Min.

-

150 Min.

-

130 Min.

GRAIN SIZE mm (75X)

-

-

-

-

0.025--0.060

0.065 Max.

-

-

0.05 Max.

-

0.010-0.045

-

0.035 Min.

0.035 Max.

-

-

-

-

-

-

-

-

-

-

 


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                            Copper & Copper Alloy Tubes                              
Copper, Aluminium, Bimetalic Lugs & Connectors
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