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303S31

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321S31 309S20
#303S31

Description

UK 303S31 austenitic special steel and 303S31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 303S31
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 303S31 UK austenitic special steel
420S45
434S17
215S15
304S51
316S51
316S52
321S51(1010)
321S51(1105)
347S51
321S31

Chemical composition(mass fraction)(wt.%) of the 303S31

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
Max 0.12 Max 1.00 Max 2.00 Max 2.00 Max 0.15-0.35 17.0-19.0 8.00-10.0 Max 1.00 Max 0.25

Mechanical Properties of steel grade 303S31

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
672 (≥) 254 (≥) 41 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 303S31

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
44 - -     0.42 -  
628 187 - 11.3 241   -  
459 - 41 42.2   232 324

Heat Treatment of steel grade 303S31

Heat treated : 1261°C - 1975°C

Technological Curves of steel grade 303S31

Cross Reference Table (Equivalent Grade) of 303S31

Grade Standard Country Application
303S31 UK austenitic special steel
321S31 309S20
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
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