B29

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#B29

Description

B29 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: B29

Category	Type	Steel Grade
Steel Grades	Carbon Steel	B29
		B24
		19MnCr5
		B25
		15CrMo4
		B26
		20CrMo4
		B27
		20MnCrMo4-2
		B28
		20NiCrMo2

Chemical composition(mass fraction)(wt.%) of the B29

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.4	0.4-0.7	0.025	0.015	0.35-0.65	1.6-2.0
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.3	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.002

Mechanical Properties of steel grade B29

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)
155 (≥)	234 (≥)	42	31	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade B29

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	-	-			0.11	-
315	488	-	43.3	242		-
437	-	33	14.2			224	234

Heat Treatment of steel grade B29

Heat treated : 1914°C - 1239°C

Technological Curves of steel grade B29

No Curve

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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B29