305 Stainless Steels

305 - Specification & Application

Stainless steel and heat resistant steel

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

305 - Detail

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)
192 (≥) 477 (≥) 43 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

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
331 (≥) 591 (≥) 32 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
424 845 575

Equivalent Products

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