T122

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#T122

Description

T122 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: T122

Category	Type	Steel Grade
Steel Grades	High Alloy	T122
		T22
		K21590
		T23
		K40712
		T24
		K30736
		T91
		K90901
		T92
		K92460

Chemical composition(mass fraction)(wt.%) of the T122

		
						C

						≤
					
						Si

						≤
					
						Mn

						≤
					
						P

						≤
					
						S

						≤
					
						Cr
					
						Ni
				
						0.07-0.14
					
						0.5
					
						0.7
					
						0.02
					
						0.01
					
						10-12.5
					
						≤0.5
				
						Mo
					
						Al
					
						W
					
						Nb
					
						Ti
					
						V
					
						Ce
				
						0.25-0.6
					
						≤0.04
					
						1.5-2.5
					
						0.04-0.1
					
						0.15-0.3
					
						N
					
						Cu
					
						Pb
					
						B
					
						Other
					
						0.04-0.1
					
						0.3-1.7
					
						0.0005-0.005

Mechanical Properties of steel grade T122

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)
822 (≥)	138 (≥)	42	24	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	324

Physical Properties of steel grade T122

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	-	-			0.31	-
188	388	-	33.3	214		-
622	-	13	23.2			324	231

Heat Treatment of steel grade T122

Heat treated : 1299°C - 1277°C

Technological Curves of steel grade T122

No Curve

Available Suppliers

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Rfq.: sales@longhaisteel.com

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C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07-0.14	0.5	0.7	0.02	0.01	10-12.5	≤0.5
Mo	Al	W	Nb	Ti	V	Ce
0.25-0.6	≤0.04	1.5-2.5	0.04-0.1		0.15-0.3
N	Cu	Pb	B	Other
0.04-0.1	0.3-1.7		0.0005-0.005

Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy