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Auburn Township, Ohio 44023

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CHEMICAL RANGES

MECHANICAL PROPERTIES

TERMS & DEFINITION S

THEORETICAL WEIGHTS

Alloy Steel - Heat Chemical Ranges and Limits

AISI

or

SAE

CHEMICAL COMPOSITION LIMITS, PERCENT

C

Mn

P

S

SI

Ni

Cr

Mo

1330

1335

1340

1345

.25- .33

.33- .38

.38- .43

.43- .48

1.60- 1.90

1.60- 1.90

1.60- 1.90

1.60- 1.90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

--

--

--

--

--

--

--

--

4012

4023

4024

4027

.09- .14

.20- .25

.20- .25

.25- .30

.75- 1.00

.70- .90

.70- .90

.70- .90

.035

.035

.035

.035

.040

.040

.035- .050

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

--

--

--

--

.15- .25

.20- .30

.20- .30

.20- .30

4028

4032*

4037

4042*

.25- .30

.30- .35

.35- .40

.40- .45

.70- .90

.70- .90

.70- .90

.70- .90

.035

.035

.035

.035

.035- .050

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

--

--

--

--

.20- .30

.20- .30

.20- .30

.20- .30

4047

4118

4120**

4121**

.45- .50

.18- .23

.18- .23

.18- .23

.70- .90

.70- .90

.90- 1.20

.75- 1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

--

.40- .60

.40- .60

.45- .65

.20- .30

.08- .15

.13- .20

.20- .30

4130

4135*

4137

4140

.28- .33

.33- .38

.35- .40

.38- .43

.40- .60

.70- .90

.70- .90

.75- 1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.80- 1.10

.80- 1.10

.80- 1.10

.80- 1.10

.15- .25

.15- .25

.20- .30

.20- .30

4142

4145

.40- .45

.43- .48

.75- 1.00

.75- 1.00

.035

.035

.040

.040

.15- .35

.15- .35

--

--

.80- 1.10

.80- 1.10

.15- .25

.15- .25

*SAE Only

**Formerly EX 15

*** Formerly EX 24

AISI

or

SAE

CHEMICAL COMPOSITION LIMITS, PERCENT

C

Mn

P

S

SI

Ni

Cr

Mo

4147

4150

4161*

4320

.45- .50

.48- .53

.56- .64

.17- .22

.75- 1.00

.75- 1.00

.75- 1.00

.45- .65

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

1.65- 2.00

.80- 1.10

.80- 1.10

.70- .90

.40- .60

.15- .25

.15- .25

.25- .35

.20- .30

4340

E4340

4419

4422*

.38- .43

.38- .43

.18- .23

.20- .25

.60- .80

.65- .85

.45- .65

.70- .90

.035

.025

.035

.035

.040

.025

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

1.65- 2.00

1.65- 2.00

--

--

.70- .90

.70- .90

--

--

.20- .30

.20- .30

.45- .60

.35- .45

4427*

4615

4620

4621

.24- .29

.13- .18

.17- .22

.18- .23

.70- .90

.45- .65

.45- .65

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

1.65- 2.00

1.65- 2.00

1.65- 2.00

--

--

--

--

.35- .45

.20- .30

.20- .30

.20- .30

4626

4715**

4718

4720

.24- .29

.13- .18

.16- .21

.17- .22

.45- .65

.70- .90

.70- .90

.50- .70

.035

.035

--

.035

.04 MAX

.040

--

.040

.15- .35

.15- .35

.15- .35

.15- .35

.70- 1.00

.70- 1.00

.90- 1.20

.90- 1.20

--

.45- .65

.35- .55

.35- .55

.15- .25

.45- .65

.30- .40

.15- .25

4815

4817

4820

5015

50B40*

.13- .18

.15- .20

.18- .23

.12- .17

.38- .43

.40- .60

.40- .60

.50- .70

.30- .50

.75- 1.00

.035

.035

.035

.035

.035

.040

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

.15- .35

3.25- 3.75

3.25- 3.75

3.25- 3.75

--

--

--

--

--

.30- .50

.40- .60

.20- .30

.20- .30

.20- .30

--

--

*SAE Only

**Formerly EX 30

AISI

or

SAE

CHEMICAL COMPOSITION LIMITS, PERCENT

C

Mn

P

S

SI

Ni

Cr

Mo

50B44

5046*

50B46

50B50

.43- .48

.43- .48

.44- .49

.48- .53

.75- 1.00

.75- 1.00

.75- 1.00

.75- 1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.40- .60

.20- .35

.20- .35

.40- .60

--

--

--

--

5060*

50B60

5115*

5120

.56- .64

.56- .64

.13- .18

.17- .22

.75- 1.00

.75- 1.00

.70- .90

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.40- .60

.40- .60

.70- .90

.70- .90

--

--

--

--

5130

5132

5135

5140

.28- .33

.30- .35

.33- .38

.38- .43

.70- .90

.60- .80

.60- .80

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.80- 1.10

.75- 1.00

.80- 1.05

.70- .90

--

--

--

--

5145

5147

5150

5155

.43- .48

.46- .51

.48- .53

.51- .59

.70- .90

.70- .95

.70- .90

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.70- .90

.85- 1.15

.70- .90

.70- .90

--

--

--

--

5160

51B60

E50100**

E51100**

.56- .64

.56- .64

.98- 1.10

.98- 1.10

.75- 1.00

.75- 1.00

.25- .45

.25- .45

.035

.035

.025

.025

.040

.040

.025

.025

.15- .35

.15- .35

.15- .35

.15- .35

--

--

--

--

.70- .90

.70- .90

.40- .60

.90- 1.15

--

--

--

--

E52100**

Mod 1**

Mod 2**

6118

.98- 1.10

.90- 1.05

.85- 1.00

.16- .21

.25- .45

.95- 1.25

1.40- 1.70

.50- .70

.025

.025

.025

.035

.025

.025

.025

.040

.15- .35

.50- .70

.60- .80

.15- .35

--

--

--

--

1.30- 1.60

.95- 1.15

1.40- 1.70

.50- .70

--

--

--

V-.10- .15

*SAE Only

AISI

or

SAE

CHEMICAL COMPOSITION LIMITS, PERCENT

C

Mn

P

S

SI

Ni

Cr

Mo

6150

8115

81B45

8615*

.43- .53

.13 -.18

.43- .48

.13- .18

.70- .90

.70- .90

.75- .1.00

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

--

.20- .40

.20- .40

.40- .70

.80- 1.10

.30- .50

.35- .55

.40- .60

V- .15 Min

.08- .15

.08- .15

.15- .25

8617

8620

8622

8625

.15- .20

.18- .23

.20- .25

.23- .28

.70- .90

.70- .90

.70- .90

.70- .90

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

.40- .70

.40- .70

.40- .70

.40- .70

.40- .60

.40- .60

.40- .60

.40- .60

.15- .25

.15- .25

.15- .25

.15- .25

8627

8630

8637

8640

.25- .30

.28- .33

.35- .40

.38- .43

.70- .90

.70- .90

.75- .1.00

.75- .1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

.40- .70

.40- .70

.40- .70

.40- .70

.40- .60

.40- .60

.40- .60

.40- .60

.15- .25

.15- .25

.15- .25

.15- .25

8642

8645

86B45*

8650*

.40- .45

.43- .48

.43- .48

.48- .53

.75- .1.00

.75- .1.00

.75- .1.00

.75- .1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

.40- .70

.40- .70

.40- .70

.40- .70

.40- .60

.40- .60

.40- .60

.40- .60

.15- .25

.15- .25

.15- .25

.15- .25

8655

8660*

8720

8740

.51- .59

.56- .64

.18- .23

.38- .43

.75- .1.00

.75- .1.00

.70- .90

.75- .1.00

.035

.035

.035

.035

.040

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

.40- .70

.40- .70

.40- .70

.40- .70

.40- .60

.40- .60

.40- .60

.40- .60

.15- .25

.15- .25

.20- .30

.20- .30

8822

9254*

9255

9260

.20- .25

.51- .59

.51- .59

.56- .64

.75- .1.00

.60- .80

.70- .95

.75- 1.00

.035

.035

.035

.035

.040

.040

.025

.025

.15- .35

1.20- 1.60

1.80- 2.20

1.80- 2.20

.40- .70

--

--

--

.40- .60

.60- .80

--

--

.30- .40

--

--

--

E9310*

94B15*

94B17

94B30

.08- .13

.13- .18

.15- .20

.28- .33

.45- .65

.75- .1.00

.75- .1.00

.75- .1.00

.025

.035

.035

.035

.025

.040

.040

.040

.15- .35

.15- .35

.15- .35

.15- .35

3.00- 3.50

.30- .50

.30- .50

.30- .50

1.00- 1.40

.30- .50

.30- .50

.30- .50

.08- .15

.08- .15

.08- .15

.08- .15

*SAE Only

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