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30CrApplication:China structural steel and alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 30CrGBTChina

Chemical composition%of the ladle analysis of grade30Cr

C(%)Si(%)Mn(%)Cr(%)
0.27-0.340.17-0.370.50-0.800.80-1.00
30Cr
Mechanical properties of grade30Cr
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)
249(≥)662(≥)443422Solution and Aging,Annealing,Ausaging,Q+T,etc421
Physical properties of grade30Cr
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
542(≥)273(≥)443111Solution and Aging,Annealing,Ausaging,Q+T,etc334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
114873953
30CrRange 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
X 30 CrMoN 15-1, X30CrMoN15-1, 1.4108GBTChina
Stainless steels for rolled and forged products
X30Cr13GBTChina
Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
1.4028GBTChina
Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
X30Cr13GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4028GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
X30Cr13GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
1.4028GBTChina
Open die steel forgings for general engineering purposes - Part 4: Stainless steels
30CrNiMo8GBTChina
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
X30Cr13GBTChina
Stainless steels - Chemical composition

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