L625QO/X90QO

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China SY/T L625QO/X90QO 海底管道用大口径无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L625QO/X90QO / L625QO/X90QO

Category	Grade	Standard	Region/Area	Standard Content
Metals	L625QO/X90QO	SY/T 7044	China	海底管道用大口径无缝钢管

Chemical composition(mass fraction)(wt.%) of the L625QO/X90QO

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade L625QO/X90QO

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
459 (≥)	871 (≥)	24	44	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade L625QO/X90QO

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
11	-	-			0.23	-
573	885	-	33.3	122		-
815	-	23	44.2			212	243

Heat Treatment of steel grade L625QO/X90QO

Heat treated : 1814°C - 1422°C

Technological Curves of steel grade L625QO/X90QO

No Curve

Cross Reference Table (Equivalent Grade) of L625QO/X90QO

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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