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YB 305 Details

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305 Application:Stainless steel and heat resistant steel

Category Type Grade Microstructure Designations
Grades Stainless Steels 305 Austenite USA - YB ,

Chemical composition(wt.%) of 305 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 17.0 19.0
Ni 10.5 13.0
Stainless steel and heat resistant steel

Mechanical properties of grade 305

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)
666 (≥) 252 (≥) 23 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade 305

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
951 (≥) 338 (≥) 43 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
299 424 869

305 - 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
T72305 AISI USA
Carbon tool steel
305 YB USA
Stainless steel and heat resistant steel
A 167 Type 305 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 240 Type 305 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 TP305 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 276 305 SAE USA
Stainless Steel Bars and Shapes
A 313 Type 305 SAE USA
Stainless Steel Spring Wire
A 314 305 SAE USA
Stainless Steel Billets and Bars for Forging
A 368 Type 305 SAE USA
Stainless Steel Wire Strand
A 473 305 SAE USA
Stainless Steel Forgings
A 478 Type 305 SAE USA
Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 492 Type 305 SAE USA
Stainless Steel Rope Wire
A 493 Type 305 SAE USA
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 511 MT305 SAE USA
Seamless Stainless Steel Mechanical Tubing
A 554 MT 305 SAE USA
Welded Stainless Steel Mechanical Tubing
A 580 Type 305 SAE USA
Stainless Steel Wire
A 959 Type 305 SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
F 593 305 SAE USA
Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
F 594 305 SAE USA
Standard Specification for Stainless Steel Nuts
F 880 Class A1-50 305 SAE USA
Standard Specification for Stainless Steel Socket Set Screws (Metric)

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