S43020 Stainless Steels

S43020 - Specification & Application

Ferritic Chromium Free-Machining Stainless Steel

Chemical composition(wt.%) of S43020 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Mn - 1.25
Si - 1.00
P - 0.06
S - 0.15
Cr 16.00 18.00
Ni - -
Mo - 0.60

S43020 - Detail

Ferritic Chromium Free-Machining Stainless Steel

Mechanical properties of grade S43020

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)
636 (≥) 479 (≥) 21 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical properties of grade S43020

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
255 (≥) 169 (≥) 31 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
271 519 854

Equivalent Products

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