1.4418

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Description

France AFNOR NF EN 10028-7, NF EN 10088-1, NF EN 10088-2, NF EN 10088-3, NF EN 10088-4, NF EN 10088-5, NF EN 10250-4, NF EN 10272, NF EN 4629, NF EN 4631, 1.4418 Specialsteel Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4418

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Specialsteel	1.4418	Precipitation-Hardening	AFNOR	France	Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa

Chemical composition(mass fraction)(wt.%) of the 1.4418

C	Si	Mn	P	S	Cr	Mo	Ni	N
≤0.06	≤0.70	≤1.50	≤0.040	≤0.015	15.00 -17.00	0.80 -1.50	4.00 -6.00	0.020 - ≥

Mechanical Properties of steel grade 1.4418

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)
126 (≥)	415 (≥)	42	44	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade 1.4418

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	-	-			0.41	-
741	337	-	33.3	413		-
672	-	44	44.2			121	232

Heat Treatment of steel grade 1.4418

Heat treated : 1851°C - 1681°C

Technological Curves of steel grade 1.4418

No Curve

Cross Reference Table (Equivalent Grade) of 1.4418

Grade	Standard	Country	Application
GX4CrNiMo16-5-1
X4CrNiMo16-5-1
X4CrNiMo16-5-1
1.4418 TTT curve
Z6CND16-05-01
Z6CND16-05-01
SS14 2387
SS14 2387

Relevant standard of 1.4418

NF EN 10028-7	Flat products made of steels for pressure purposes - Part 7: Stainless steels	NF-EN-10028-7.pdf
NF EN 10088-1	Stainless steels - Part 1: List of stainless steels	NF-EN-10088-1.pdf
NF EN 10088-2	Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes	NF-EN-10088-2.pdf
NF EN 10088-3	Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes	NF-EN-10088-3.pdf
NF EN 10088-4	Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes	NF-EN-10088-4.pdf
NF EN 10088-5	Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes	NF-EN-10088-5.pdf
NF EN 10250-4	Open die steel forgings for general engineering purposes - Part 4: Stainless steels	NF-EN-10250-4.pdf
NF EN 10272	Stainless steel bars for pressure purposes	NF-EN-10272.pdf
NF EN 4629	Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Forging stock - De = 300 mm	NF-EN-4629.pdf
NF EN 4631	Aerospace series - Steel FE-PM 3504 (X4CrNiMo16-5-1) - Air melted - Hardened and tempered - Bar - De = 200 mm - 900 MPa = Rm = 1 050 MPa	NF-EN-4631.pdf

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