United States · SAE

CA172

SAE J 461

Chemical composition

wt% · log scale
0.11Ni + Co0.2Ni+Fe+Co0.6
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≤1105 MPaTensile strength Rm≤1230 MPaElongation A≤6 %bars, steel bars, precipitation hardened-AT +TF00Yield strength Rp0.2≤1255 MPaTensile strength Rm≤1380 MPaElongation A≤4 %bars, steel bars, 1/2 Hard and precipitation heat treated - 1/2 HT +TH02, > 25 mm, orYield strength Rp0.2≤1205 MPaTensile strength Rm≤1325 MPaElongation A≤4 %bars, steel bars, 1/2 hardened precipitation heat treated - 1/2 HT +TH02 , < 25 mm, orYield strength Rp0.2≤170 MPaTensile strength Rm≤495 MPaElongation A≤48 %bars, steel bars, Soft

Physical properties

vs. temperature
Elastic modulus GPa
128 – 128°C
Mean thermal expansion 10⁻⁶/K
11.8 – 17.4°C
Thermal conductivity W/(m·K)
18.8 – 118°C
Specific heat J/(kg·K)
413 – 547°C
Density kg/dm³
8.25 – 8.25°C
Poisson's ratio
0.270 – 0.270°C

Chemical composition

ElementminmaxSimilarRemarks
Be1.7
Cu98
Ni + Co0.2
Ni+Fe+Co0.6

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
bars, steel bars, precipitation hardened-AT +TF00≤1105≤1230≤6
bars, steel bars, 1/2 Hard and precipitation heat treated - 1/2 HT +TH02, > 25 mm, or≤1255≤1380≤4
bars, steel bars, 1/2 hardened precipitation heat treated - 1/2 HT +TH02 , < 25 mm, or≤1205≤1325≤4
bars, steel bars, Soft≤170≤495≤48
bars, steel bars, , < 25 mm, or≤620≤690≤15
bars, steel bars, , > 25 mm, or≤620≤760≤15
steel strip, precipitation hardened-AT +TF00≥1070 Yield Stres = 0.5%≥1230≥6 Lo= 50 mm
steel strip, 1/2 hardened precipitation heat treated - 1/2 HT +TH02≥550 Yield Stres = 0.5%≥635≥15 Lo= 50 mm
steel strip, 1/4 precipitation heat treated - 1/4 HT +TH01≥1140 Yield Stres = 0.5%≥1295≥4 Lo= 50 mm
steel strip, Soft≥220 Yield Stres = 0.5%≥475≥48 Lo= 50 mm
steel strip≥550 Yield Stres = 0.5%;≥485 Yield Stres = 0.5%;≥715 Yield Stres = 0.5%≥635;≥565;≥760≥15 Lo= 50 mm;≥22 Lo= 50 mm;≥5 Lo= 50 mm
steel strip, hardened precipitation heat treated - HT +TH04≥1240 Yield Stres = 0.5%≥1390≥2 Lo= 50 mm

Physical properties

-250.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
11.8218.82

Similar grades

GradeRegionSystem
CDA 172United StatesSAE
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