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Applications and Features

Brazing pasteis composed of filler metal powder, flux and paste. Brazing paste can minimize the adverse effects caused by inhomogeneity of brazing metal. By Increasing the composition of low temperature metal, the melting temperature of the pastecan be reduced, and the spreadability of the paste can beimproved as well. The solder paste can be assembled by automatic injection which can be applied in all brazing positions with better brazing performances.

Representative Spec

Classification

Standard

Composition WT%

Melting Temperature Range/°C

Reference

Ni

Cr

B

Si

Fe

P

S

L

Nickel Brazing Paste

BNi-7(AWS)

Rem.

1315

 /

 /

 /

9.7

10.5

888

888

BNi76CrP

BNi-1(AWS)

Rem.

1315

2.753.50

45

45

/

977

1038

BNi83CrB

Silver -Copper -Phosphorus

Brazing Paste

Standard

Composition WT%

Melting Temperature Range/°C

Standard

Cu

P

Ag

/

/

/

S

L

BCuP-2(AWS)

Rem.

7.07.5

/

/

/

/

710

794

BCu93P

BCuP-4(AWS)

Rem.

7.07.5

5.86.2

/

/

/

643

718

BCu87PAg

Silver -Copper -Zinc Brazing Paste

Standard

Composition WT%

Melting Temperature Range/°C

Standard

Ag

Cu

Zn

Ni

Sn

/

S

L

BAg-5(AWS)

4446

2931

2327

/

/

/

663

743

BAg60CuZnSn

BAg-4(AWS)

3941

2931

2630

1.52.5

/

/

671

779

BAg40CuZnNi

Silver -Copper Brazing Paste

Standard

Composition WT%

Melting Temperature Range/°C

Standard

Ag

Cu

Zn

Ni

Sn

/

S

L

BAg-8(AWS)

7173

Rem.

/

/

/

/

779

779

BAg72Cu

BAg-13a(AWS)

5557

Rem.

/

1.52.5

/

/

771

893

BAg56CuNi

The above specifications are only for representatives. Different varieties can be made according to customers' requirements.

 

高铜钎料产品型号及特性品种一览表

型号 化学成分(质量成分)/% 熔化温度范围/℃ 国外型号对照
Cu Ag Ni 杂质总量 固相线 液相线
BCu100-A ≥99.95 / / ≤0.03 1083 1150 BCu-3(AWS)
BCu100-B ≥99.9 / / ≤0.04 1083 1150 BCu-1b(AWS)
BCu-1(JIS)
BCu100(P) ≥99.9 / / ≤0.06 1083 1150 BCu-1(AWS)
BCu99(Ag) 0.8~1.2 / ≤0.15 1070 1080 Cu188(ISO)
BCu97Ni / 2.5~3.5 ≤0.15 1083 1100 Cu186(ISO)

注:上述型号的钎料可加工成不同规格和形状的焊条、焊环、圈丝、带材等产品