29-4C

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#29-4C

Description

29-4C High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 29-4C

Category	Type	Steel Grade
Steel Grades	High Alloy	29-4C
		20Mo-6 HS
		21-6 9LC
		22-4-9
		22-13-5
		25-4-4
		26-1
		9LC
		28-4C+Cb
		29-4
		29-4-2

Chemical composition(mass fraction)(wt.%) of the 29-4C

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.030	1.00	1.00	0.040	0.030	28.0-30.0	≤1.00
Mo	Al	Cu	Nb	Ti	V	Ce
3.60-4.20
N	Co	Pb	B	Other
0.045				Nb+Ti6(C+N)≥0.20~≤1.00

Mechanical Properties of steel grade 29-4C

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)
311 (≥)	574 (≥)	31	24	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade 29-4C

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
32	-	-			0.43	-
363	326	-	42.3	123		-
269	-	32	13.2			111	322

Heat Treatment of steel grade 29-4C

Heat treated : 1322°C - 1932°C

Technological Curves of steel grade 29-4C

No Curve

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Rfq.: sales@longhaisteel.com

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