Germany · DIN

X 2 CrNi 19 11

DIN 17440:1996 — Technical delivery conditions for plates, hot rolled strip and bars for pressure purposes, drawn wire and forgings

Chemical composition

ElementminmaxSimilarRemarks
C0.03
Cr1820
Mn2
N0.11
Ni1012
P0.045
S0.015
Si1

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Flat products, Quenched, t <= 75 mm≥180460–680≥45≥55 ISO-V
Wires, Quenched, 2 <=, t <=, 20 mm460–680
bars, forgings, Quenched, <= 160 mm≤180≤460≤40；≤45≤70；≤55；≤85
bars, forgings, Quenched, >= 160 <= 250 mm≤180≤460≤40；≤35≤65；≤55

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
200.0015.00500.000.737.90

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.61–8.10190.00–215.000.27–0.30不锈钢的典型材料性能数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。
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.
， bars ， forgings Quenched55080
， bars ， forgings Quenched50081
， bars ， forgings Quenched45085
， bars ， forgings Quenched40089
， bars ， forgings Quenched35094
， bars ， forgings Quenched300100
， bars ， forgings Quenched250108
， bars ， forgings Quenched200118
， bars ， forgings Quenched150132
， bars ， forgings Quenched100147
， bars ， forgings Quenched50162

Fatigue

1.Plates; 20 mm thick; Welded; Total strain control; R=-1; T: 600°C; Cylindrical; Diameter [mm]: 14; Gauge length [mm]: 20

Test conditions
ItemDetail
ProductPlates; 20 mm thick; Welded
ExperimentTotal strain control; R=-1; T: 600°C
SpecimenCylindrical; Diameter [mm]: 14; Gauge length [mm]: 20
Monotonic
PropertyValue
Elastic modulus (GPa)157.0
Strain life
No.Cyclic yield strength (MPa)Cyclic strain-hardening exponent n′Cyclic strength coefficient K′ (MPa)Fatigue strength coefficient σ′f (MPa)Fatigue strength exponent bFatigue ductility coefficient ε′fFatigue ductility exponent c
12340.1020440382-0.07100.3170-0.7434
Stress life
No.SpecimenStress (MPa)Cycles
1Cylindrical; Diameter [mm]: 14; Gauge length [mm]: 201372E6

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