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BApplication:Structural steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy BSTAS/SRRomania

Chemical composition%of the ladle analysis of gradeB

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Ni(％)Cu(%)
0.21Min 0.31Min 0.800.0500.0500.30Max 0.300.30
B
Mechanical properties of gradeB
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)
492(≥)311(≥)422333Solution and Aging,Annealing,Ausaging,Q+T,etc431
Physical properties of gradeB
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
667(≥)838(≥)213332Solution and Aging,Annealing,Ausaging,Q+T,etc413
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
625611191
BRange 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
0Cr19Ni10NbNSTAS/SRRomania
Based on zero cr19ni9 plus N and Nb, with better than 0 cr19ni9 properties and USES
G3500bSTAS/SRRomania
Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box
0Cr18Ni11NbSTAS/SRRomania
Heavy stainless acid resistant and heat resistant steel forgings
0Cr17Ni4Cu4NbSTAS/SRRomania
Stainless steel bars
0Cr15Ni25Ti2MoA1VBSTAS/SRRomania
Heat-resisting steel sheets and plates
2Cr12MoVNbNSTAS/SRRomania
Heat-resisting steel bars
2Cr11NiMoNbVNSTAS/SRRomania
Steels of blade for steam turbine
S47450STAS/SRRomania
Steels of blade for steam turbine
S47670STAS/SRRomania
Steels of blade for steam turbine
302BSTAS/SRRomania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 167 Type 302BSTAS/SRRomania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 302BSTAS/SRRomania
Stainless Steel Bars and Shapes
A 314 302BSTAS/SRRomania
Stainless Steel Billets and Bars for Forging
A 473 302BSTAS/SRRomania
Stainless Steel Forgings
A 580 Type 302BSTAS/SRRomania
Stainless Steel Wire
A 959 Type 302BSTAS/SRRomania
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SUS 302BSTAS/SRRomania
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30215STAS/SRRomania
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215STAS/SRRomania
Stainless Steel Bars and Shapes
A 314 S30215STAS/SRRomania
Stainless Steel Billets and Bars for Forging

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