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L320QO/X46QO

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China SY/T L320QO/X46QO 海底管道用大口径无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L320QO/X46QO / L320QO/X46QO
Category Grade Standard Region/Area Standard Content
Metals L320QO/X46QO SY/T 7044 China 海底管道用大口径无缝钢管

Chemical composition(mass fraction)(wt.%) of the L320QO/X46QO

Element Min Max Similar
CEpcm - 0.2300 -
Cr - 0.3000 -
Mo - 0.3500 -
Ni - 0.5000 -
Cu - 0.3500 -
S - 0.0030 -
P - 0.0150 -
Mn - 1.3500 -
C - 0.1200 -
B - 0.0005 -
Mo - 0.5000 -
Cr - 0.5000 -
Ni - 0.5000 -
Cu - 0.5000 -
Pcm - 0.2300 -
CE - 0.3500 -
Ti - 0.0400 -
Nb - 0.0500 -
V - 0.0500 -
S - 0.0050 -
P - 0.0150 -
Mn - 1.4000 -
Si - 0.4500 -
C - 0.1500 -

Mechanical Properties of steel grade L320QO/X46QO

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)
892 (≥) 126 (≥) 14 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade L320QO/X46QO

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 - -     0.32 -  
933 589 - 21.3 212   -  
635 - 42 42.2   344 231

Heat Treatment of steel grade L320QO/X46QO

Heat treated : 1675°C - 1683°C

Technological Curves of steel grade L320QO/X46QO

Cross Reference Table (Equivalent Grade) of L320QO/X46QO

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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