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B2

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B1 A21
#B2

Description

Romania STAS/SR B2 Structural steel and B2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: B2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel B2 STAS/SR Romania Structural steel
OLC60
OLC60S
OLC60X
OLC60XS
OLC8
OLC8S
OLC8X
OLC8XS
L-410
B1

Chemical composition(mass fraction)(wt.%) of the B2

C(％) Si(％) Mn(％) P(％) S(％)
0.08 Min 0.07 0.20~0.45 0.050 0.050

Mechanical Properties of steel grade B2

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
879 (≥) 612 (≥) 43 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade B2

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
34 - -     0.22 -  
295 419 - 13.3 443   -  
535 - 11 32.2   343 343

Heat Treatment of steel grade B2

Heat treated : 1422°C - 1145°C

Technological Curves of steel grade B2

Cross Reference Table (Equivalent Grade) of B2

Grade Standard Country Application
4X5B2фC ГОСТ Russia Carbide for cutting tools
4X5B2фC ГОСТ Russia Carbide for cutting tools
B2 SS Sweden Carbide for cutting tools
B2 SS Sweden Carbide for cutting tools
B23 SS Sweden Carbide for cutting tools
B23 SS Sweden Carbide for cutting tools
X1CrNiMoNb28-4-2 DIN Germany Stainless steel
X5NiCrMoCuNb22-18 FED Germany Stainless steel
X12CrNiMoNb20-15 DIN Germany Stainless steel
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15 DIN Germany The high-temperature and high-strength steel
35B2 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
X6NiCrTiMoB25-15-2 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
Z12CKNDWNb21-20-20 AFNOR France The vent valve steel
Z12CKNDWNb21-20-20 AFNOR France Steel Exhaust Valves
Z50CMNNb21-09-02Az AFNOR France Steel Exhaust Valves
Z53CMNNb21-09-02Az AFNOR France Steel Exhaust Valves
Z60CMDVNb21-10Az AFNOR France Steel Exhaust Valves
ASTM B2N,B2Q AISI USA
ISO X6NiCrTiMoVB25 15 2 ISO ISO High temperature austenite steel ISO standard internal combustion engine
B2 STAS/SR Romania Structural steel
B1 A21
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