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GB 65 Application:China structural steel and alloy steel
Category Type Steel grade Standard Country
Grades Special Alloy GB 65 GBT China

Chemical composition % of the ladle analysis of grade GB 65

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.62-0.70 0.17-0.37 0.50-0.80 0.035 0.035 Max 0.25 Max 0.25
65
Mechanical properties of grade GB 65
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)
733 (≥) 581 (≥) 31 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Physical properties of grade GB 65
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
788 (≥) 599 (≥) 22 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
957 224 346
GB 65 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
316LN GBT China
Chemical compositions of SAE wrought stainless steels
A 167 Type 316LN GBT China
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 182 F 316LN GBT China
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP316LN GBT China
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 316LN GBT China
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TP316LN GBT China
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 TP316LN GBT China
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 316LN GBT China
Stainless Steel Bars and Shapes
A 312 TP316LN GBT China
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 336 Grade F316LN GBT China
Alloy Steel Forgings for Pressure and High-Temperature Parts
A 358 316LN GBT China
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 376 TP316LN GBT China
Seamless Austenitic Steel Pipe for High-Temperature Central-Station Service
A 403 CR316LN GBT China
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
A 403 WP 316LN GBT China
Intended for pressure piping applications.
A 479 316LN GBT China
Austenitic Grades
A 688 Grade TP 316LN GBT China
Welded Austenitic Stainless Steel Feedwater Heater Tubes
A 813 Grade TP 316LN GBT China
Steel pipe intended for high-temperature and general corrosive service.
A 814 Grade TP 316LN GBT China
Cold-Worked Welded Austenitic Stainless Steel Pipe
A 943 TP316LN GBT China
Spray-Formed Seamless Austenitic Stainless Steel Pipes
A 955 316LN Grade 280 GBT China
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Relevant products

GB 65 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
Cr12MoV 12-160(T)*310-610(W)*L Plate or Sheet Tons 12.38 Hot-Rolled+Annealed+black Enquiry
1.2601 12-160(T)*310-610(W)*L Plate or Sheet Tons 11.22 Hot-Rolled+Annealed+black Enquiry

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