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15 Application:China structural steel and alloy steel
Category Type Steel grade Standard Country
Grades Special Alloy 15 GBT China

Chemical composition % of the ladle analysis of grade 15

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.12-0.18 0.17-0.37 0.35-0.65 0.035 0.035 0.25 0.3 0.25
15
Mechanical properties of grade 15
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)
324 (≥) 146 (≥) 42 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 133
Physical properties of grade 15
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
984 (≥) 785 (≥) 44 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
529 954 823
15 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
1Cr15 GBT China
Welded stainless steel tubes for machine structures
0Cr15Ni7Mo2Al GBT China
Stainless steel bars
0Cr15Ni25Ti2MoA1VB GBT China
Heat-resisting steel sheets and plates
GH1015 GBT China
Solid solution strengthening type iron base alloy
S20153 GBT China
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S21500 GBT China
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
A 167 S30215 GBT China
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215 GBT China
Stainless Steel Bars and Shapes
A 314 S30215 GBT China
Stainless Steel Billets and Bars for Forging
A 473 S30215 GBT China
Stainless Steel Forgings
A 580 S30215 GBT China
Stainless Steel Wire
S30215 GBT China
Austenitic Chromium Nickel Stainless Steel
A 213 S30615 GBT China
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S30615 GBT China
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30615 GBT China
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 312 S30615 GBT China
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 959 S30615 GBT China
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S30615 GBT China
Austenitic Chromium Nickel Silicon Heat Resisting Steel
SA-213 S30615 GBT China
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 S30615 GBT China
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Relevant products

15 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
15-5PH Forgrd Flat Bar Select 0 Select Enquiry

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