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B429

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China 宝钢Q/BQB B429 汽车排气系统用冷轧铁素体不锈钢钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B429 / B429
Category Grade Standard Region/Area Standard Content
Metals B429 Q/BQB 4403 China 汽车排气系统用冷轧铁素体不锈钢钢板及钢带

Chemical composition(mass fraction)(wt.%) of the B429

Element Min Max Similar
Ni - 0.6000 -
C+N - 0.0300 -
N - 0.0200 -
Ti - 0.3000 -
Nb 0.3000 0.6000 -
Cr 14.0000 16.0000 -
S - 0.0200 -
P - 0.0400 -
Mn - 1.2000 -
Si - 1.2000 -
C - 0.0250 -

Mechanical Properties of steel grade B429

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
724 (≥) 141 (≥) 44 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade B429

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
13 - -     0.33 -  
285 614 - 41.3 311   -  
237 - 21 24.2   213 433

Heat Treatment of steel grade B429

Heat treated : 1239°C - 1946°C

Technological Curves of steel grade B429

Cross Reference Table (Equivalent Grade) of B429

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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