United Kingdom · Lloyds

LR 1Cr0.5Mo

LR:2016 — Rules for the Manufacture,Testing and Certification of Materials

Chemical composition

wt% · log scale
0.010.1110C0.2Cr1 – 1.5Cu0.3Mn0.5 – 0.8Mo0.45 – 0.65Ni0.4P0.04S0.04Si0.6
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥280 MPaTensile strength Rm480–630 MPaElongation A≥17 %Reduction of area Z≥20 %

High / low temperature

value vs. temperature
102140179217255100200300400500600°C
  • Steel Castings · Yield strength Rp0.2

Creep properties

10.973.2136198260470480490500510520530540550560570MPa
  • 100000.0h

Temperature °C · time at rupture

Chemical composition

ElementminmaxSimilarRemarks
C0.2
Cr11.5
Cu0.3
Mn0.50.8
Mo0.450.65
Ni0.4
P0.04
S0.04
Si0.6

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Steel Castings≥280480–630≥17 5.65√So≥20

High/low temperature

Yield strength Rp0.2 (MPa)
ConditionTemperature ℃min
Steel Castings600117
Steel Castings500160
Steel Castings400184
Steel Castings300196
Steel Castings200212
Steel Castings100240

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