YL77B

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China 鞍钢Q/ASB YL77B 预应力钢丝及钢绞线用盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: YL77B / YL77B

Category	Grade	Standard	Region/Area	Standard Content
Metals	YL77B	Q/ASB 293	China	预应力钢丝及钢绞线用盘条

Chemical composition(mass fraction)(wt.%) of the YL77B

Element	Min	Max	Similar
Cu	-	0.2000	-
Ni	-	0.1000	-
Cr	-	0.3500	-
S	-	0.0250	-
P	-	0.0250	-
Mn	0.6000	0.9000	-
Si	0.1500	0.3000	-
C	0.7500	0.8000	-

Mechanical Properties of steel grade YL77B

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)
283 (≥)	452 (≥)	13	13	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade YL77B

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	-	-			0.13	-
196	476	-	42.3	142		-
178	-	12	41.2			341	421

Heat Treatment of steel grade YL77B

Heat treated : 1651°C - 1323°C

Technological Curves of steel grade YL77B

No Curve

Cross Reference Table (Equivalent Grade) of YL77B

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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