BS970-1:1991/1983 #7

Grade

En Eqvt

C

Mn

Si

Cr

Ni

Mo

S

P 

Others

708M40

19A

0.36-0.44

0.70-1.00

0.90-1.20

0.15-0.25

709A37

0.35-0.40

0.75-1.00

0.90-1.20

0.25-0.35

709A40

0.38-0.43

0.75-1.00

0.90-1.20

0.25-0.35

709A42

0.40-0.45

0.75-1.00

0.90-1.20

0.25-0.35

709M40

19

0.36-0.44

0.70-1.00

0.90-1.20

0.25-0.35

720M32

0.28-0.35

0.40-0.70

2.80-3.30

0.40-0.65

722M24

40B

0.20-0.28

0.45-0.70

3.00-3.50

0.45-0.65

735A50

47

0.60-0.90

0.70-1.00

0.10-0.35

0.80-1.10

V-0.15

805M17

361

0.17-0.23

0.60-0.90

0.85-1.15

0.35-0.75

0.15-0.25

805M20

362

0.17-0.23

0.60-0.95

0.35-0.65

0.35-0.75

0.15-0.25

808M17

354

0.14-0.20

0.06-0.90

0.80-1.20

1.50-2.00

0.10-0.20

815M17

353

0.14-0.20

0.60-0.90

0.80-1.20

1.20-1.70

0.10-0.20

817A37

0.35-0.40

0.45-0.70

1.00-1.40

1.30-1.70

0.20-0.35

817A42

0.40-0.45

0.45-0.70

1.00-1.40

1.30-1.70

0.20-0.35

817M40

24

0.36-0.44

0.45-0.70

1.00-1.40

1.30-1.70

0.20-0.35

822M17

355

0.14-0.20

0.40-0.70

13.0-1.70

1.75-2.25

0.15-0.25

826M31

25

0.27-0.35

0.45-0.70

0.50-0.80

2.30-2.80

0.45-0.65

826M40

26

0.36-0.44

0.45-0.70

0.50-0.80

2.30-2.80

0.45-0.65

832M13

36C

0.10-0.16

0.35-0.60

0.70-1.00

3.00-3.75

0.10-0.25

835M15

39B

0.12-0.18

0.25-0.50

1.00-1.40

3.90-4.30

0.15-0.30

835M30

30B

0.26-0.34

0.45-070

1.10-1.40

3.90-4.30

0.20-0.35

0.02 Max

0.02 Max

897M39

40C

0.35-0.43

0.45-0.70

3.00-3.50

0.80-1.10

0.02 Max

0.02 Max

V-0.15-0.25

905M39

41B

0.35-0.43

0.40-0.65

1.40-1.80

0.15-0.25

0.02 Max

0.02 Max

AL-0.90-1.30

945M38

100

0.34-0.42

1.20-1.60

0.40-0.60

0.60-0.90

0.15-0.25