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GB Cr2 Details

Cr2 Measuring tool cutting tool steel

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Cr2 Application:Measuring tool cutting tool steel
Category Type Grade Designations
Grades Tool Steels & Die Steels Cr2 China - GB , GB/T 1229-2000 - Alloy tool steel
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤)
C 0.95 1.10
Si - 0.40
Mn - 0.40
Cr 1.30 1.65
Mechanical properties of grade Cr2
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 Condition Brinell hardness (HBW)
176 (≥) 542 (≥) 21 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Physical properties of grade Cr2
Property Density
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
596 (≥) 714 (≥) 13 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
987 263 597
Cr2 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
0Cr23Ni13 GB China
Corrosion resistance and heat resistance are better than 0cr19ni9
0Cr25Ni20 GB China
Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel
1Cr21Ni5Ti GB China
Cold rolled stainless steel sheets and plates
0Cr26Ni5Mo2 GB China
Seamless stainless steel tubes for boiler and heat exchanger
00Cr27Mo GB China
Seamless stainless steel tubes for boiler and heat exchanger
5Cr21Mn9Ni4N GB China
Heat-resisting steel bars
2Cr21Ni12N GB China
Heat-resisting steel bars
2Cr23Ni13 GB China
Seamless stainless steel tubes for boiler and heat exchanger
2Cr25Ni20 GB China
Seamless stainless steel tubes for boiler and heat exchanger
2Cr20Mn9Ni2Si2N GB China
Heat-resisting steel bars
1Cr20Ni14Si2 GB China
Heat-resisting steel sheets and plates
1Cr25Ni20Si2 GB China
Heat-resisting steel sheets and plates
2Cr25N GB China
Heat-resisting steel sheets and plates
8Cr20Si2Ni GB China
Heat-resisting steel bars
NiCr20Ti B.S. UK
Heat resisting steels and nickel alloys
2.4951 B.S. UK
Heat resisting steels and nickel alloys
NiCr22Mo9Nb B.S. UK
Heat resisting steels and nickel alloys
2.4856 B.S. UK
Heat resisting steels and nickel alloys
NiCr23Fe B.S. UK
Heat resisting steels and nickel alloys
2.4851 B.S. UK
Heat resisting steels and nickel alloys

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