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THE POWER OF STEEL GRADE VARIETY!
Steel
Heat-Treatable Steel
4140 PH / 4142 PH
Steel Grades
Product Overview
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Technical Datasheet

4140 PH / 4142 PH Steel - 1.7225+QT - 42CrMo4 - ~SCM 440

Purchase 4140 PH / 4142 PH Heat-Treatable Steel Online

Select Your Steel Length below

Imperial and Metric Steel Sizes for Sale

Imperial Steel Size

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Precision Ground Flat Stock, regular [GFS reg]

 

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$mart Flat Stock [$mart]

Standardized Precision Blanks

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Drill Rod [DR]

Precision Round Bars

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Decarb Free Rounds [DCF]

Oversize Round Bars

Metric Steel Size

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$mart Flat Stock Metric [$martM]

Standardized Precision Blanks Metric

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4140 PH / 4142 PH Heat-Treatable Steel: Standard values

Working hardness: 27 HRC (delivery condition) - 48 HRC
Delivery condition: max. 380HB

Chemical composition in %

C

0.380000

0.38
–

0.450000

0.45
Si

0.000000

0
–

0.400000

0.4
Mn

0.600000

0.6
–

0.900000

0.9
P

0.000000

0
–

0.035000

0.035
S

0.000000

0
–

0.035000

0.035
Cr

0.900000

0.9
–

1.200000

1.2
Mo

0.150000

0.15
–

0.300000

0.3

4140 PH / 4142 PH Heat-Treatable Steel: Technical Data

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4140 PH / 4142 PH Heat-Treatable Steel: Technical Properties

Heat-treatable steel (tempered condition) that can be used for a wide range of applications with a high degree of strength and toughness. Often used for demanding applications in automotive engineering. In quenched and tempered condition it is used in machine construction.

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4140 PH / 4142 PH Heat-Treatable Steel: Applications

mechanical engineering, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts

Chemical designation: Working hardness: 27 HRC (delivery condition) - 48 HRC
Delivery condition: max. 380HB

C

0.380000

0.38
–

0.450000

0.45
Si

0.000000

0
–

0.400000

0.4
Mn

0.600000

0.6
–

0.900000

0.9
P

0.000000

0
–

0.035000

0.035
S

0.000000

0
–

0.035000

0.035
Cr

0.900000

0.9
–

1.200000

1.2
Mo

0.150000

0.15
–

0.300000

0.3

Heat-treatable steel (tempered condition) that can be used for a wide range of applications with a high degree of strength and toughness. Often used for demanding applications in automotive engineering. In quenched and tempered condition it is used in machine construction.

mechanical engineering, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts