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B2Application:Structural steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy B2STAS/SRRomania

Chemical composition%of the ladle analysis of gradeB2

C(％)Si(％)Mn(％)P(％)S(％)
0.08Min 0.070.20~0.450.0500.050
B2
Mechanical properties of gradeB2
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)
778(≥)451(≥)443113Solution and Aging,Annealing,Ausaging,Q+T,etc341
Physical properties of gradeB2
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
856(≥)649(≥)333214Solution and Aging,Annealing,Ausaging,Q+T,etc414
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
724731177
B2Range 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
35B2STAS/SRRomania
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G-X2CrNiMnMoNNb21-16-5-3STAS/SRRomania
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Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
1.3964STAS/SRRomania
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