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SN 490 YB

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China CNS SN490YB 建筑结构用轧钢料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SN490YB / SN 490 YB
Category Grade Standard Region/Area Standard Content
Metals SN 490 YB CNS G 3262 China 建筑结构用轧钢料

Chemical composition(mass fraction)(wt.%) of the SN 490 YB

Element Min Max Similar
B - 0.0008 -
S - 0.0150 -
P - 0.0300 -
Mn - 1.6500 -
Si - 0.5500 -
C - 0.1800 -

Mechanical Properties of steel grade SN 490 YB

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)
715 (≥) 297 (≥) 21 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SN 490 YB

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
22 - -     0.22 -  
787 765 - 41.3 232   -  
973 - 12 43.2   333 212

Heat Treatment of steel grade SN 490 YB

Heat treated : 1526°C - 1838°C

Technological Curves of steel grade SN 490 YB

Cross Reference Table (Equivalent Grade) of SN 490 YB

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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