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S30220

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17Cr18Ni9 12Cr18Ni9Si3
#S30220

Description

China GBT S30220 Stainless steel bars and S30220 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: S30220
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy S30220 GBT China Stainless steel bars
S38340
10Cr17Mn9Ni4N
S35950
20Cr13Mn9Ni4
S35020
20Cr15Mn15Ni2N
S35550
022Cr17Ni7
S30103
17Cr18Ni9

Chemical composition(mass fraction)(wt.%) of the S30220

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.13-0.21 1.0 2.0 0.035 0.025 17.0-19.0 8.0-10.5

Mechanical Properties of steel grade S30220

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)
766 (≥) 569 (≥) 24 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade S30220

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
42 - -     0.14 -  
525 116 - 41.3 433   -  
284 - 44 24.2   334 313

Heat Treatment of steel grade S30220

Heat treated : 1395°C - 1979°C

Technological Curves of steel grade S30220

Cross Reference Table (Equivalent Grade) of S30220

Grade Standard Country Application
S30220 GBT China Stainless steel bars
17Cr18Ni9 12Cr18Ni9Si3
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...

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