E550E

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Korea KS E550E High yield strengh steel bars and sections - Part 3 :Products supplied in the heat - treated(quenched+tempered) condition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E550E / E550E

Category	Grade	Standard	Region/Area	Standard Content
Metals	E550E	KS D ISO 4950-3	Korea	High yield strengh steel bars and sections - Part 3 :Products supplied in the heat - treated(quenched+tempered) condition

Chemical composition(mass fraction)(wt.%) of the E550E

Element	Min	Max	Similar
C	-	0.2000	-
Mn	-	1.7000	-
P	-	0.0300	-
S	-	0.0300	-
Si	0.1000	0.8000	-
Ni	-	2.0000	-
Cr	-	2.0000	-
Mo	-	1.0000	-
Cu	-	1.5000	-
V	-	0.1000	-
Ti	-	0.2000	-
Zr	-	0.1500	-
B	-	0.0050	-
Al	-	0.0200	-
N	-	0.0200	-
Nb	-	0.0600	-

Mechanical Properties of steel grade E550E

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)
391 (≥)	921 (≥)	33	33	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade E550E

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
41	-	-			0.32	-
527	294	-	33.3	242		-
577	-	43	32.2			114	113

Heat Treatment of steel grade E550E

Heat treated : 1912°C - 1572°C

Technological Curves of steel grade E550E

No Curve

Cross Reference Table (Equivalent Grade) of E550E

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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