AISI 309

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America AISI AISI309 耐热不锈钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI309 / AISI 309

Category	Grade	Standard	Region/Area	Standard Content
Metals	AISI 309	ASTM A580/A580M	America	耐热不锈钢丝

Chemical composition(mass fraction)(wt.%) of the AISI 309

Element	Min	Max	Similar
C	-	0.2000	-
Mn	-	2.0000	-
P	-	0.0450	-
S	-	0.0300	-
Si	-	1.0000	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-
C	-	0.1500	-
Mn	-	2.0000	-
P	-	0.0400	-
S	-	0.0300	-
Si	-	0.7500	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-
C	-	0.2000	-
Mn	-	2.0000	-
P	-	0.0450	-
S	-	0.0300	-
Si	-	1.0000	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-
C	-	0.2000	-
Mn	-	2.0000	-
P	-	0.0450	-
S	-	0.0300	-
Si	-	0.7500	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-
C	-	0.1500	-
Mn	-	2.0000	-
P	-	0.0400	-
S	-	0.0300	-
Si	-	0.7500	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-
C	-	0.0600	-
Mn	-	1.7500	-
P	-	0.0200	-
S	-	0.0020	-
Si	-	0.5000	-
Ni	-	13.0000	-
Cr	-	23.0000	-
C	-	0.2000	-
Mn	-	2.0000	-
P	-	0.0450	-
S	-	0.0300	-
Si	-	1.0000	-
Ni	12.0000	15.0000	-
Cr	22.0000	24.0000	-

Mechanical Properties of steel grade AISI 309

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)
831 (≥)	472 (≥)	41	22	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade AISI 309

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
32	-	-			0.23	-
561	426	-	32.3	111		-
593	-	33	43.2			221	433

Heat Treatment of steel grade AISI 309

Heat treated : 1985°C - 1187°C

Technological Curves of steel grade AISI 309

No Curve

Cross Reference Table (Equivalent Grade) of AISI 309

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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