RRB 400W

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China GB RRB400W 钢筋混凝土用余热处理钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RRB400W / RRB 400W

Category	Grade	Standard	Region/Area	Standard Content
Metals	RRB 400W	GB 13014	China	钢筋混凝土用余热处理钢筋

Chemical composition(mass fraction)(wt.%) of the RRB 400W

Element	Min	Max	Similar
C	-	0.2500	-
Mn	-	1.6000	-
P	-	0.0450	-
S	-	0.0450	-
Si	-	0.8000	-
CEV	-	0.5000	-

Mechanical Properties of steel grade RRB 400W

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)
828 (≥)	574 (≥)	43	43	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade RRB 400W

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
21	-	-			0.12	-
876	797	-	21.3	314		-
374	-	13	32.2			344	311

Heat Treatment of steel grade RRB 400W

Heat treated : 1895°C - 1378°C

Technological Curves of steel grade RRB 400W

No Curve

Cross Reference Table (Equivalent Grade) of RRB 400W

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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