A409 Type 309

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America ASTM A409Type309 抗腐蚀或抗高温大口径焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A409Type309 / A409 Type 309

Category	Grade	Standard	Region/Area	Standard Content
Metals	A409 Type 309	ASTM A409/A409M	America	抗腐蚀或抗高温大口径焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A409 Type 309

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade A409 Type 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)
177 (≥)	394 (≥)	42	34	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	132

Physical Properties of steel grade A409 Type 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
11	-	-			0.13	-
929	977	-	21.3	421		-
461	-	41	32.2			441	214

Heat Treatment of steel grade A409 Type 309

Heat treated : 1118°C - 1492°C

Technological Curves of steel grade A409 Type 309

No Curve

Cross Reference Table (Equivalent Grade) of A409 Type 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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