Alloy number

Sn

P

Pb

Zn

Cu+Sn+P

C5191

5.5-7.0

0.03-0.35

≥99.5

C5441

3.0-4.5

0.01-0.50

3.5-4.5

1.5-4.5

≥99.5

Alloy number

size range

tensile strength

(N/mm2)

Elongation

(%)

Hardness

(HRB)

C5191

1/2H

3 ~ 6mm

≥510

70-85

6 ~ 13mm

≥460

≥13

13 ~ 25mm

≥430

≥15

25 ~ 50mm

≥410

≥18

50 ~ 100mm

≥390

≥18

H

3 ~ 6mm

≥635

75-90

6 ~ 13mm

≥590

≥10

13 ~ 25mm

≥540

≥13

25 ~50mm

≥490

≥15

50 ~ 100mm

≥440

≥15

C5441

H

0.5 ~ 3mm

≥470

60-90

3 ~ 6mm

≥440

6 ~ 13mm

≥410

≥10

13 ~ 25mm

≥375

≥12

25 ~ 50mm

≥345

≥15

50 ~ 100mm

≥320

≥15