303 MA

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America SAE 303MA Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 303MA / 303 MA

Category	Grade	Standard	Region/Area	Standard Content
Metals	303 MA	SAE J 405	America	Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the 303 MA

Element	Min	Max	Similar
Si	-	1.0000	-
S	0.1000	0.1600	-
P	-	0.0400	-
Ni	8.5000	10.5000	-
Mo	0.4000	0.6000	-
Mn	-	2.0000	-
Cu	-	0.5000	-
Cr	17.0000	19.0000	-
C	-	0.1500	-
Al	0.6000	1.0000	-
Si	-	1.0000	-
S	0.1100	0.1600	-
P	-	0.0500	-
Ni	8.0000	10.0000	-
Mo	0.4000	0.6000	-
Mn	-	2.0000	-
Cr	17.0000	19.0000	-
C	-	0.1500	-
Al	0.6000	1.0000	-

Mechanical Properties of steel grade 303 MA

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)
691 (≥)	131 (≥)	32	43	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	134

Physical Properties of steel grade 303 MA

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	-	-			0.24	-
377	659	-	24.3	421		-
313	-	22	23.2			442	222

Heat Treatment of steel grade 303 MA

Heat treated : 1934°C - 1239°C

Technological Curves of steel grade 303 MA

No Curve

Cross Reference Table (Equivalent Grade) of 303 MA

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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