L 245 NB

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EU EN L245NB 易燃液体输送管线 - 钢管交货技术条件 - 第2部分：B级要求的管道 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L245NB / L 245 NB

Category	Grade	Standard	Region/Area	Standard Content
Metals	L 245 NB	EN 10208-2	EU	易燃液体输送管线 - 钢管交货技术条件 - 第2部分：B级要求的管道

Chemical composition(mass fraction)(wt.%) of the L 245 NB

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade L 245 NB

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)
162 (≥)	882 (≥)	43	11	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade L 245 NB

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
21	-	-			0.14	-
356	547	-	12.3	411		-
436	-	34	12.2			131	314

Heat Treatment of steel grade L 245 NB

Heat treated : 1451°C - 1247°C

Technological Curves of steel grade L 245 NB

No Curve

Cross Reference Table (Equivalent Grade) of L 245 NB

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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