S30300 Stainless Steels

S30300 - Specification & Application

Austenitic Chromium Nickel Free-Machining Stainless Steel

Chemical composition(wt.%) of S30300 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.2
S 0.15 -
Cr 17.0 19.0
Ni 8.00 10.0
Mo - 0.60

S30300 - Detail

Austenitic Chromium Nickel Free-Machining Stainless Steel

Mechanical properties of grade S30300

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)
186 (≥) 948 (≥) 22 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade S30300

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
341 (≥) 716 (≥) 32 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
868 663 424

Equivalent Products

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