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15Application:China structural steel and alloy steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 15GBTChina

Chemical composition%of the ladle analysis of grade15

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Ni(％)Cu(%)
0.12-0.180.17-0.370.35-0.650.0350.0350.250.30.25
15
Mechanical properties of grade15
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)
898(≥)244(≥)231332Solution and Aging,Annealing,Ausaging,Q+T,etc122
Physical properties of grade15
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
271(≥)844(≥)223222Solution and Aging,Annealing,Ausaging,Q+T,etc142
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
869366595
15Range 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
1Cr15GBTChina
Welded stainless steel tubes for machine structures
0Cr15Ni7Mo2AlGBTChina
Stainless steel bars
0Cr15Ni25Ti2MoA1VBGBTChina
Heat-resisting steel sheets and plates
GH1015GBTChina
Solid solution strengthening type iron base alloy
S20153GBTChina
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S21500GBTChina
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
A 167 S30215GBTChina
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215GBTChina
Stainless Steel Bars and Shapes
A 314 S30215GBTChina
Stainless Steel Billets and Bars for Forging
A 473 S30215GBTChina
Stainless Steel Forgings
A 580 S30215GBTChina
Stainless Steel Wire
S30215GBTChina
Austenitic Chromium Nickel Stainless Steel
A 213 S30615GBTChina
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S30615GBTChina
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30615GBTChina
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 312 S30615GBTChina
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 959 S30615GBTChina
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S30615GBTChina
Austenitic Chromium Nickel Silicon Heat Resisting Steel
SA-213 S30615GBTChina
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 S30615GBTChina
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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