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SUH660Application:austenitic special steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy SUH660JISJapan

Chemical composition%of the ladle analysis of gradeSUH660

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)B(%)Al(%)Ti(%)
Max 0.08Max 1.00Max 2.00Max 0.04Max 0.0313.5- 16.024.0- 27.01.00-1.500.10-0.500.001-0.010Max 0.351.90-2.35
SUH660
Mechanical properties of gradeSUH660
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)
387(≥)354(≥)232231Solution and Aging,Annealing,Ausaging,Q+T,etc143
Physical properties of gradeSUH660
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
648(≥)847(≥)421243Solution and Aging,Annealing,Ausaging,Q+T,etc441
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
146973247
SUH660Range 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
SUH660JISJapan
CNS standard heat resistant steel bar steel grade and chemical composition
SUH660JISJapan
CNS standard heat resistant steel plate of the steel grade and chemical composition

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