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GST99

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China YB GST99 硅石 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GST99 / GST99
Category Grade Standard Region/Area Standard Content
Metals GST99 YB/T 5268 China 硅石

Chemical composition(mass fraction)(wt.%) of the GST99

Element Min Max Similar
P2O5 - 0.0200 -
CaO - 0.1500 -
Fe2O3 - 0.1500 -
Al2O3 - 0.3000 -
SiO2 99.0000 - -

Mechanical Properties of steel grade GST99

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)
263 (≥) 187 (≥) 21 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade GST99

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 - -     0.12 -  
879 659 - 34.3 224   -  
981 - 14 14.2   433 433

Heat Treatment of steel grade GST99

Heat treated : 1358°C - 1145°C

Technological Curves of steel grade GST99

Cross Reference Table (Equivalent Grade) of GST99

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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Jiangyou Longhai Special Steel Co.,Ltd.

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