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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

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