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55Si2MnB

Favorite Datasheet

China GB 55Si2MnB 弹簧钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 55Si2MnB / 55Si2MnB
Category Grade Standard Region/Area Standard Content
Metals 55Si2MnB GB/T 1222 China 弹簧钢

Chemical composition(mass fraction)(wt.%) of the 55Si2MnB

Element Min Max Similar

Mechanical Properties of steel grade 55Si2MnB

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)
458 (≥) 135 (≥) 31 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 55Si2MnB

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 - -     0.42 -  
985 267 - 14.3 123   -  
778 - 13 21.2   143 333

Heat Treatment of steel grade 55Si2MnB

Heat treated : 1627°C - 1489°C

Technological Curves of steel grade 55Si2MnB

Cross Reference Table (Equivalent Grade) of 55Si2MnB

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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