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Chemical composition % of the ladle analysis of grade B2

0.08 Min 0.07 0.20~0.45 0.050 0.050
B2
Mechanical properties of grade B2
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)
136 (≥) 817 (≥) 31 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Physical properties of grade B2
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
237 (≥) 555 (≥) 22 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
723 997 972
B2 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
35B2
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.5511
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X6NiCrTiMoB25-15-2
Creep resisting steels, nickel and cobalt alloys
Z12CKNDWNb21-20-20
Valve steels and alloys for internal combustion engines
Z50CMNNb21-09-02Az
Valve steels and alloys for internal combustion engines
Z53CMNNb21-09-02Az
Valve steels and alloys for internal combustion engines
Z60CMDVNb21-10Az
Valve steels and alloys for internal combustion engines
09X14H19B2БP
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
09X14H19B2БP1
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X18H10B2
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X18H8B2
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X20H9B2M
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
45X14H14CB2M
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
X6NiCrTiMoVB25-15-2
Wrought steels for use at elevated temperatures in engines
1.4980
Creep resisting steels, nickel and cobalt alloys
X6NiCrTiMoVB25-15-2
Creep resisting steels, nickel and cobalt alloys
IncoloyA-286
Creep resisting steels, nickel and cobalt alloys
G-X2CrNiMnMoNNb21-16-5-3
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
X2CrNiMnMoNNb21-16-5-3
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
1.3964
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings

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