United States · SAE

CA172

SAE J 463

Chemical composition

wt% · log scale

min – max range
typical value

Mechanical properties

value range by condition

Physical properties

vs. temperature

Elastic modulus GPa

Mean thermal expansion 10⁻⁶/K

Thermal conductivity W/(m·K)

Specific heat J/(kg·K)

Density kg/dm³

Poisson's ratio

Chemical composition

Element	min	max
Be	1.8	2
Cu	99.5
Ni + Co	0.2
Ni+Fe+Co		0.6

Mechanical properties

Heat treatment / condition	Tensile strength	Elongation	Hardness
bars, steel bars, Precipitation hardened - AT +TF00, 9.5 - 25 mm, or	≤1240
bars, steel bars, Precipitation hardened - AT +TF00, <, 9.5 mm, or	≤1280
bars, steel bars, Precipitation hardened - AT +TF00, > 25 mm, or	≤1200
bars, steel bars, Precipitation hardened - AT +TF00, all sizes	≤1140
bars, steel bars, , 9.5 - 25 mm, or	≤620
bars, steel bars, , < 9.5 mm, or	≤655
bars, steel bars, , > 25 mm, or	≤585
bars, steel bars, , all sizes	≤415
bars, HR			钢棒 Precipitation hardened - AT (TF00) > 25 mm 工程直径或厚度 ≤37；钢棒 Precipitation hardened - AT (TF00) 9.5 - 25 mm 工程直径或厚度 ≤38；钢棒 Precipitation hardened - AT (TF00) < 9.5 mm 工程直径或厚度 ≤39；钢棒 Precipitation hardened - AT (TF00) 全部尺寸 ≤36；钢棒硬 > 25 mm 工程直径或厚度 ≤88；钢棒硬 9.5 - 25 mm 工程直径或厚度 ≤91；钢棒硬 < 9.5 mm 工程直径或厚度 ≤92；钢棒软化处理全部尺寸 ≤45
steel strip, Hard and precipitation heat treated - HT +TH04, all sizes	1310–1520		HR ≥40 HRC; HR30N(min.) = 60
steel strip, Precipitation hardened - AT +TF00, all sizes	1140–1350		HR ≥36 HRC; HR30N(min.) = 56
steel strip, Soft, all sizes	415–535	≥35 Lo= 50 mm	HR 45–78 HRB; HR30T: 46 - 67
steel strip, , all sizes	585–690；515–605；690–825	≥5 Lo= 50 mm；≥10 Lo= 50 mm；≥2 Lo= 50 mm	HR 88–96 HRB; HR30T: 74 - 79；HR 68–90 HRB; HR30T: 62 - 75；HR 96–102 HRB; HR30T: 79 - 83
steel strip, hardened, all sizes	1170–1480		HR ≥39 HRC; HR30N(min.) = 59
steel strip, hardened / heat treated, all sizes	1200–1410		HR ≥38 HRC; HR30N(min.) = 58

Physical properties

Temperature

-250.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	11.82	18.82

-200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	13.15	33.99

-100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	15.07	61.20

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
128.00	16.39	88.36	413.23		8.25	0.27

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	16.89	103.13	435.20

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	17.36	117.85	462.82

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
			490.61

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
			518.57

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
			546.70

999.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	16.22	84.25

Similar grades

Grade	Region	System
CDA 172	United States	SAE
B197 C17200	United States	ASTM
B196 C17200	United States	ASTM
B194 C17200	United States	ASTM
C17200	United States	UNS