SUM易切削钢化学成份化学成分

钢号

C

Si

Mn

P

SUM11

SUM12

SUM21

SUM22

SUM22L

SUM23

SUM23L

sum24lSUM24L

SUM25

sum31SUM31

SUM31L

sum32-steelsSUM32

SUM41

SUM42

SUM43

0.08-0.13

0.08-0.13

≤0.13

≤0.13

≤0.13

≤0.09

≤0.09

≤0.15

≤0.15

0.14-0.20

0.14-0.20

0.12-0.20

0.32-0.39

0.37-0.45

0.40-0.48

①

①

①

①

①

①

①

①

①

①

①

①

①

①

①

0.30-0.60

0.60-0.90

0.70-1.00

0.70-1.00

0.70-1.00

0.75-1.05

0.75-1.05

0.85-1.15

0.90-1.40

1.00-1.30

1.00-1.30

0.60-1.10

1.35-1.65

1.35-1.65

1.35-1.65

≤0.040

≤0.040

0.07-0.12

0.07-0.12

0.07-0.12

0.04-0.09

0.04-0.09

0.04-0.09

0.07-0.12

≤0.040

≤0.040

≤0.040

≤0.040

≤0.040

≤0.040