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301S21

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284S16 304S11
#301S21

Description

UK 301S21 austenitic special steel and 301S21 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 301S21
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 301S21 UK austenitic special steel
410S21
Max 1.00
416S29
416S37
416S41
420S29
420S37
430S17
431S29
284S16

Chemical composition(mass fraction)(wt.%) of the 301S21

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.15 Max 1.00 Max 2.00 Max 0.045 Max 0.03 16.0-18.0 6.00-8.00

Mechanical Properties of steel grade 301S21

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)
749 (≥) 974 (≥) 12 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 301S21

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
43 - -     0.12 -  
875 553 - 22.3 342   -  
861 - 24 44.2   423 212

Heat Treatment of steel grade 301S21

Heat treated : 1158°C - 1293°C

Technological Curves of steel grade 301S21

Cross Reference Table (Equivalent Grade) of 301S21

Grade Standard Country Application
301S21 UK austenitic special steel
284S16 304S11
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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