Location » Home » Grades > Special Alloy > B2
B2 Application:Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy B2 STAS/SR Romania

Chemical composition % of the ladle analysis of grade B2

C(%) Si(%) Mn(%) P(%) S(%)
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)
629 (≥) 146 (≥) 41 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
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
852 (≥) 213 (≥) 42 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
482 568 921
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 STAS/SR Romania
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
1.5511 STAS/SR Romania
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
X6NiCrTiMoB25-15-2 STAS/SR Romania
Creep resisting steels, nickel and cobalt alloys
Z12CKNDWNb21-20-20 STAS/SR Romania
Valve steels and alloys for internal combustion engines
Z50CMNNb21-09-02Az STAS/SR Romania
Valve steels and alloys for internal combustion engines
Z53CMNNb21-09-02Az STAS/SR Romania
Valve steels and alloys for internal combustion engines
Z60CMDVNb21-10Az STAS/SR Romania
Valve steels and alloys for internal combustion engines
09X14H19B2БP STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
09X14H19B2БP1 STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X18H10B2 STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X18H8B2 STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
25X20H9B2M STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
45X14H14CB2M STAS/SR Romania
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
X6NiCrTiMoVB25-15-2 STAS/SR Romania
Wrought steels for use at elevated temperatures in engines
1.4980 STAS/SR Romania
Creep resisting steels, nickel and cobalt alloys
X6NiCrTiMoVB25-15-2 STAS/SR Romania
Creep resisting steels, nickel and cobalt alloys
IncoloyA-286 STAS/SR Romania
Creep resisting steels, nickel and cobalt alloys
G-X2CrNiMnMoNNb21-16-5-3 STAS/SR Romania
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
X2CrNiMnMoNNb21-16-5-3 STAS/SR Romania
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings
1.3964 STAS/SR Romania
Non-magnetizable austenitic cast steel —G-X2CrNiMnMoNNb 21-16-5-3 Part 4: Castings

Relevant products

Enquiry