United Kingdom · Lloyds

LR 1Cr0.5Mo

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Chemical composition

wt% · log scale
0.0010.010.1110Al0.018C0.18Cr0.85 – 1.15Cu0.3Mn0.4 – 0.7Mo0.45 – 0.65P0.03S0.025Si0.15 – 0.4
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥275 MPaTensile strength Rm440–590 MPaElongation A≥19 %HardnessHB

Creep properties

10.973.2136198260470480490500510520530540550560570MPa
  • 100000.0h

Temperature °C · time at rupture

Chemical composition

ElementminmaxSimilarRemarks
Al0.018
C0.18
Cr0.851.15
Cu0.3
Mn0.40.7
Mo0.450.65
P0.03
S0.025
Si0.150.4

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
forgings, normalized and tempered or quenched and tempered≥275440–590≥19HB 110–160

Creep

1.铸造 Steel Castings

Temperature ℃Time hCRS
470100000.0h236.0
480100000.0h186.0
490100000.0h148.0
500100000.0h120.0
510100000.0h100.0
520100000.0h84.0
530100000.0h70.0
540100000.0h58.0