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

Datasheet for: Steel Grades:Stainless Steel: 622

Category	Type	Steel Grade
Steel Grades	Stainless Steel	622
		S34800
		348H
		S34809
		S35045
		S35315
		XM-15
		S38100
		384
		S38400
		S38815

Chemical composition(mass fraction)(wt.%) of the 622

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.00	1.50	0.040	0.030	12.0-15.0	24.0-28.0
Mo	Al	Cu	Nb	Ti	V	Ce
2.5-3.5	≤0.35	≤ 0.50		1.55-2.00
N	Co	Pb	B	Other
			0.001-0.010

Mechanical Properties of steel grade 622

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)
385 (≥)	277 (≥)	41	41	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade 622

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
24	-	-			0.23	-
172	398	-	42.3	134		-
617	-	43	14.2			234	214

Heat Treatment of steel grade 622

Heat treated : 1815°C - 1483°C

Technological Curves of steel grade 622

No Curve

Cross Reference Table (Equivalent Grade) of 622

Grade	Standard	Country	Application
1.2622	DIN	Germany	Hot working alloy tool steel
UNS S66220	UNS	USA	precipitation hardening
1.6221	DIN	Germany
416220			The Czech republic Structural steel
416221			The Czech republic Structural steel
416222			The Czech republic Structural steel
416224			The Czech republic Structural steel
16220			The Czech republic Structural steel
16221			The Czech republic Structural steel
16222			The Czech republic Structural steel
16224			The Czech republic Structural steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Tube/Pipe

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Wire rod

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