Global · Enterprise standard

OCR12SP

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Chemical composition

wt% · log scale

min – max range
typical value

Physical properties

vs. temperature

Mean thermal expansion 10⁻⁶/K

Thermal conductivity W/(m·K)

Chemical composition

Element	min	max	Similar	Remarks
C		2.12
Cr		12
Mn		0.45
Si		0.25
W		0.7

Physical properties

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
210.00		20.00	460.00	0.65	7.77

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	10.80

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	11.80

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.40

350.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
		20.50

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.50

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.80

600.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.90

700.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	13.00	24.10

Typical physical values

Density	Elastic modulus	Poisson's ratio	Remarks
7.72–8.00	190.00–210.00	0.27–0.30	典型属性数值，工具钢。此值不来源于标准，它是指示性指标，不能被用于设计用途。
7.67–7.84	190.00–210.00	0.27–0.30	低碳高合金钢典型属性数值，此值不提供标准，它是指示性直指标，不能被用于设计用途。

Similar grades

Grade	Region	System
SVERKER 3	Global	Enterprise standard
BÖHLER K107	Global	Enterprise standard