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U3Application:Australia Structural steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy U3ASAustralia

Chemical composition%of the ladle analysis of gradeU3

C(%)Si(%)Mn(%)P(%)S(%)
Max 0.25Max 0.40Max 1.400.0400.040
U3
Mechanical properties of gradeU3
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)
692(≥)846(≥)131321Solution and Aging,Annealing,Ausaging,Q+T,etc414
Physical properties of gradeU3
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
744(≥)792(≥)412422Solution and Aging,Annealing,Ausaging,Q+T,etc431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
172452787
U3Range 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
0Cr18Ni9Cu3ASAustralia
Stainless steel bars
X1NiCrMoCu31-27-4ASAustralia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4563ASAustralia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCu31-27-4ASAustralia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4563ASAustralia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
Z2NCDU31-27ASAustralia
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028ASAustralia
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Austenitic steel designed to deal with sour gas, phosphoric, sulphuric and acetic acids, and vinyl chloride. It is used for heat exchangers, co

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