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Austenitic 660Application:China Taiwan Heat-Resistant Steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy Austenitic 660CNSChina

Chemical composition%of the ladle analysis of gradeAustenitic 660

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)B(%)Al(%)Ti(%)
Max 0.08Max 1.00Max 2.000.040.0313.5-16.024.0-27.01.00-1.500.10-0.500.001-0.010Max 0.351.90-2.35
Austenitic 660
Mechanical properties of gradeAustenitic 660
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)
213(≥)183(≥)423214Solution and Aging,Annealing,Ausaging,Q+T,etc241
Physical properties of gradeAustenitic 660
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
143(≥)139(≥)424111Solution and Aging,Annealing,Ausaging,Q+T,etc343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
869939887
Austenitic 660Range 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
A 771 S38660CNSChina
Seamless Austenitic and Martensitic Stainless Steel Tubing for Liquid Metal-Cooled Reactor Core Components
A 826 S38660CNSChina
Seamless Austenitic and Martensitic Stainless Steel Duct Tubes for Liquid Metal-Cooled Reactor Core Components
A 831 S38660CNSChina
Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components
S38660CNSChina
Austenitic Chromium Nickel Molybdenum Stainless Steel-Reactor Grade
A 959 S66286CNSChina
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S66286CNSChina
Iron Base Superalloy
A 176 S44660CNSChina
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44660CNSChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44660CNSChina
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
S44660CNSChina
Ferritic Chromium Molybdenum Nickel Stainless Steel (SC-1)
SA-240 S44660CNSChina
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44660CNSChina
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 176 S44660CNSChina
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S44660CNSChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44660CNSChina
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
S44660CNSChina
Ferritic Chromium Molybdenum Nickel Stainless Steel (SC-1)
SA-240 S44660CNSChina
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S44660CNSChina
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SUH 660CNSChina
Heat-resisting steel bars and wire rods
SUH 660 WSACNSChina
Stainless steel wires for cold heading and cold forging

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