303S42 Stainless Steels to BS 1554

303S42 - Specification & Application

  • BS 1554 - Specification for stainless and heat-resisting steel round wire
  • BS 970-1 - Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels

Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels

Chemical composition(wt.%) of 303S42 grade: to BS 1554

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 1.00
Mn - 2.00
P - 0.06
S - 0.06
Cr 17.00 19.00
Mo - 1.00
Ni 8.00 10.00
Se 0.15 0.35

303S42 - Detail

Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels

Mechanical properties of grade 303S42 BS 1554

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)
197 (≥) 999 (≥) 43 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade 303S42 BS 1554

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
484 (≥) 217 (≥) 12 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
884 671 647

Equivalent Grade

Equivalent Products

We can customize the production of 303S42 grade, contact us for the best solution.
sales@specificsteel.com