Home»Grades > Special Alloy > H70MΦ
H70MΦApplication:Russia COST standard deformation of high temperature alloy
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy H70MΦГОСТRussia

Chemical composition%of the ladle analysis of gradeH70MΦ

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)Ti(%)
Max 0.05Max 0.20Max 0.500.020.02Max 0.30Balance25.0-29.0 1.40-1.70Max 0.15
H70MΦ
Mechanical properties of gradeH70MΦ
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
397(≥)183(≥)213411Solution and Aging,Annealing,Ausaging,Q+T,etc433
Physical properties of gradeH70MΦ
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
519(≥)884(≥)114333Solution and Aging,Annealing,Ausaging,Q+T,etc214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
535384768
H70MΦRange of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
H70MΦГОСТRussia
Russia GOCT standard deformation of high temperature alloy grades and chemical composition
H70MΦBГОСТRussia
Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Enquiry