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牌  號

化      學(xué)     成      份

Cu

Sn

Si

Fe

Mn

Ni

Pb

Al

Zn

impurity

HS221

59.0-61.0

0.8-1.1

0.15-0.35

<0.05

<0.01

Margin

<0.5

HS222

56.0-60.0

0.8-1.1

0.04-0.2

0.2-1.20

0.01-0.5

0.2-0.8

<0.05

<0.01

Margin

<0.2

HS223

57.0-59.0

0.4-0.8

0.04-0.1

<0.05

<0.01

Margin

<0.5

HS224

61.0-63.0

0.2-0.5

<0.05

<0.01

Margin

<0.5

HS225

46.0-50.0

0.03-0.1

9.0-11.0

<0.05

<0.01

Margin

<0.5

HS226

59.0-61.0

0.1-0.5

0.1-0.3

<0.05

<0.01

Margin

<0.5

HS227

57.0-59.0

0.8-1.0

0.04-0.2

0.3-1.2

0.2-0.6

<0.05

<0.01

Margin

<0.5

HS229

53.0-57.0

0.02-0.1

3.0-5.0

5.0-7.0

<0.05

<0.01

Margin

<0.5