Technical Specifications For 70 / 30 Cupro Nickel Tubes
 

STANDARD

BS 2871 PART 3

ASTM B111

DIN 1785

NFA 51 102

JIS H3300

IS 1545

SYMBOL

CZ 107

C  71500

CuNi 30 Mn 1Fe

CuNi 30 Mn 1Fe

C 7150

CuNi 30 Mn 1Fe

Cu

REM’DER

REM’DER

REM’DER

REM’DER

REM’DER

REM’DER

Pb

0.01

0.05

0.03

0.05 Sn+Pb

0.05

0.05

Ni

30.0-32.0

29.0-33.0

30.0-32.0

29.0-32.0

29.0-33.0

29.0-33.0

Fe

0.40-1.0

0.40-1.0

0.40-1.0

0.4-0.7

0.4-0.7

0.40-1.0

Mn

0.50-1.5

1.0

0.5-1.5

0.5-1.5

0.2-1.0

0.50-1.0

Zn

-

1.0

0.5

0.5

0.5

0.5

S

0.08

-

0.05

0.02

-

-

C

0.06

-

0.05

0.06

-

-

TOTAL IMPURITIES MAX.

   

-

Cu+Ni+Fe

0.3

-

0.3

0.1

+Mn

0.3

-

-

-

-

 99.5 Min

CONDITION --                   

M

061

F37

-

-

O

O

HR 50

F42

 

O

D

YIELD STRENGTH N /MM 2

-

125 Min.

120-220

-

-

-

-

345 Min.

150-260

-

-

-

-

-

-

-

-

-

TENSILE    N / MM2 Minimum

-

360

370

-

363

360

-

495

420

-

-

480

-

-

-

-

-

-

ELNG’TION Percent (%) Minimum

-

12/15*

35

-

30

-

-

-

30

-

-

-

-

-

-

-

-

-

HARDNESS HV 5

150

-

-

90-130

-

115 Max.

90-120

-

-

   

140 Min.

 GRAIN SIZE mm (75X)

-

-

-

0.010-0.045

0.010-0.045

-

0.05 Max.

-

-

-

-

-

 


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