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YB 306 Details

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306 Application:Stainless steel and heat resistant steel

Category Type Grade Microstructure Designations
Grades Stainless Steels 306 Austenite USA - YB ,

Chemical composition(wt.%) of 306 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.0 20.0
Ni 9.00 11.0
Stainless steel and heat resistant steel

Mechanical properties of grade 306

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)
471 (≥) 118 (≥) 23 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade 306

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
882 (≥) 869 (≥) 41 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
752 445 824

306 - Form of Supply

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
306 YB USA
Stainless steel and heat resistant steel
A 182 F 46 SAE USA
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 336 Grade F46 SAE USA
Alloy Steel Forgings for Pressure and High-Temperature Parts
A 965 Grade F46 SAE USA
Steel Forgings, Austenitic, for Pressure and High Temperature Parts
A 167 S30600 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 240 S30600 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 269 S30600 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 312 S30600 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 S30600 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
A 479 S30600 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 943 S30600 SAE USA
Spray-Formed Seamless Austenitic Stainless Steel Pipes
A 959 S30600 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 965 S30600 SAE USA
Steel Forgings, Austenitic, for Pressure and High Temperature Parts
S30600 AISI USA
Stainless steel and heat resistant steel
SA-240 S30600 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-312 S30600 AMS USA
Specification for Seamless and Welded Austenitic Stainless Steel Pipes
SA-358 S30600 AMS USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
SA-479 S30600 AMS USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-965 S30600 AMS USA
Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
A 240 S30601 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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