Sweden · SS

2.4669

SS EN 10269

Chemical composition

wt% · log scale
0.0010.010.11101001000Al0.4 – 1C0.08Co1Cr14 – 17Cu0.5Fe5 – 9Mn1Nb+Ta0.7 – 1.2Ni70P0.02S0.015Si0.5Ti2.25 – 2.75
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥650 MPaTensile strength Rm1000–1200 MPaImpact energy Kv/Ku≥20 JImpact energy Kv/Ku≥22 JElongation A≥20 %

High / low temperature

value vs. temperature
4996708411012118350100150200250300350400450500550600650°C
  • fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm · Yield strength Rp0.2
  • fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm · Tensile strength Rm

Physical properties

vs. temperature
Elastic modulus GPa
135 – 214°C
Mean thermal expansion 10⁻⁶/K
13.0 – 14.8°C
Thermal conductivity W/(m·K)
12.0 – 28.9°C

Creep properties

-71.4170411652893500550600650700750800MPa
  • 10000.0h
  • 100000.0h

Temperature °C · time at rupture

Chemical composition

ElementminmaxSimilarRemarks
Al0.41
C0.08
Co1
Cr1417
Cu0.5
Fe59
Mn1
Nb+Ta0.71.2
Ni70
P0.02
S0.015
Si0.5
Ti2.252.75

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
fasteners +AT+P, <= 25 mm≥6501000–1200≥20 after fracture≥20 Charpy V Notch (-196°C)；≥22 Charpy V Notch

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
214.0012.00430.001.218.30

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.86190.00–210.000.27–0.30低碳，高合金钢材料性能属性数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。

High/low temperature

Yield strength Rp0.2 (MPa)
ConditionTemperature ℃Approx.
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm650565
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm600573
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm550578
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm500582
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm450587
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm400592
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm350596
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm300601
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm250606
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm200610
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm150615
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm100620
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm50625
Tensile strength Rm (MPa)
ConditionTemperature ℃Approx.
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm650827
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm600896
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm550950
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm500975
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm4501000
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm4001035
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm3501055
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm3001075
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm2501082
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm2001090
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm1501096
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm1001103
fasteners solution annealed and precipitation hardened +AT+P d <= 25 mm501117
Impact energy Kv/Ku (J)
ConditionTemperature ℃minRemarks
fasteners solution annealed and precipitation hardened +AT+P <= 25 mm-19620Charpy V Notch

Creep

1. 紧固件

Temperature ℃Time hRp1CRS
50010000.0h790.0800.0
500100000.0h650.0659.0
55010000.0h596.0605.0
550100000.0h477.0488.0
60010000.0h425.0440.0
600100000.0h345.0360.0
65010000.0h325.0340.0
650100000.0h255.0265.0
70010000.0h245.0255.0
700100000.0h75.0135.0
75010000.0h65.0123.0
750100000.0h16.061.0
80010000.0h15.060.0
800100000.0h4.028.0

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