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409 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 409

Category	Type	Steel Grade
Steel Grades	Stainless Steel	409
		S32950
		S39274
		S39277
		XM-34
		S18200
		S18235
		S32803
		405
		S40500
		S40800

Chemical composition(mass fraction)(wt.%) of the 409

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.00	1.00	0.045	0.030	10.5-11.7	≤0.50
Mo	Al	Cu	Nb	Ti	V	Ce
				≥6*C~0.75
N	Co	Pb	B	Other

Mechanical Properties of steel grade 409

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)
945 (≥)	198 (≥)	32	34	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	113

Physical Properties of steel grade 409

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
33	-	-			0.41	-
925	515	-	23.3	214		-
717	-	21	44.2			432	411

Heat Treatment of steel grade 409

Heat treated : 1212°C - 1246°C

Technological Curves of steel grade 409

No Curve

Cross Reference Table (Equivalent Grade) of 409

Grade	Standard	Country	Application
SUS409LTP	JIS	Japan	ferritic stainless steel
409S19			austenitic special steel
UNS J84090	AISI	USA
S30409		China	Stainless steel bars
409			Australia Stainless steel
Ferrite 409		China	China Taiwan Heat-Resistant Steel
Ferrite 409L		China	China Taiwan Heat-Resistant Steel
K409		China	Age hardening type Nickel base alloy
GH4090		China	wrought Fe/Ni-base superalloy
GH4093		China	wrought Fe/Ni-base superalloy
GH4098		China	wrought Fe/Ni-base superalloy
GH4099		China	wrought Fe/Ni-base superalloy
FGH 4095		China	Powder Metallurgy Superalloy
FGH4096		China	Powder Metallurgy Superalloy
FGH4097		China	Powder Metallurgy Superalloy
J84090	UNS	USA	Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
J84090	UNS	USA	Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

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Rfq.: sales@longhaisteel.com

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