420 S 29

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England B.S. 420S29 机械加工用空心钢棒规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 420S29 / 420 S 29

Category	Grade	Standard	Region/Area	Standard Content
Metals	420 S 29	BS 6258	England	机械加工用空心钢棒规范

Chemical composition(mass fraction)(wt.%) of the 420 S 29

Element	Min	Max	Similar
Ni	-	1.0000	-
Cr	11.5000	13.5000	-
S	-	0.0300	-
P	-	0.0400	-
Mn	-	1.0000	-
Si	-	1.0000	-
C	0.1400	0.2000	-

Mechanical Properties of steel grade 420 S 29

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)
682 (≥)	855 (≥)	32	24	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	313

Physical Properties of steel grade 420 S 29

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
42	-	-			0.13	-
987	669	-	31.3	334		-
253	-	13	12.2			334	333

Heat Treatment of steel grade 420 S 29

Heat treated : 1329°C - 1647°C

Technological Curves of steel grade 420 S 29

No Curve

Cross Reference Table (Equivalent Grade) of 420 S 29

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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