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27.31.4S91

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England B.S. 27.31.4S91 Filler rods and wires for gas-shielded arc welding. Specification for stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 27.31.4S91 / 27.31.4S91
Category Grade Standard Region/Area Standard Content
Metals 27.31.4S91 BS 2901-2 England Filler rods and wires for gas-shielded arc welding. Specification for stainless steels

Chemical composition(mass fraction)(wt.%) of the 27.31.4S91

Element Min Max Similar
Si - 0.2000 -
S - 0.0150 -
P - 0.0150 -
Ni 30.0000 32.0000 -
N - 0.0600 -
Mo 3.0000 4.0000 -
Mn 1.0000 2.5000 -
Cu - 1.5000 -
Cr 26.0000 28.0000 -
C - 0.0200 -

Mechanical Properties of steel grade 27.31.4S91

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)
232 (≥) 482 (≥) 44 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 27.31.4S91

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
41 - -     0.14 -  
747 231 - 44.3 224   -  
986 - 14 11.2   343 213

Heat Treatment of steel grade 27.31.4S91

Heat treated : 1478°C - 1325°C

Technological Curves of steel grade 27.31.4S91

Cross Reference Table (Equivalent Grade) of 27.31.4S91

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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