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SWRS 77 A

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Japan JIS SWRS77A 鋼琴線料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SWRS77A / SWRS 77 A
Category Grade Standard Region/Area Standard Content
Metals SWRS 77 A JIS G3502 Japan 鋼琴線料

Chemical composition(mass fraction)(wt.%) of the SWRS 77 A

Element Min Max Similar
Si 0.1200 0.3200 -
S - 0.0250 -
P - 0.0250 -
Mn 0.3000 0.6000 -
Cu - 0.2000 -
C 0.7500 0.8000 -

Mechanical Properties of steel grade SWRS 77 A

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)
355 (≥) 358 (≥) 34 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SWRS 77 A

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
31 - -     0.31 -  
643 442 - 42.3 443   -  
114 - 21 41.2   313 444

Heat Treatment of steel grade SWRS 77 A

Heat treated : 1645°C - 1628°C

Technological Curves of steel grade SWRS 77 A

Cross Reference Table (Equivalent Grade) of SWRS 77 A

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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