ASTM A 240 Grade 347 Stainless Steel Benefit Features

Both 347 and 321 offer good resistance to polythionic acid stress corrosion cracking, encountered in oil refineries . Grade 347 stainless steel  is an austenitic stainless steel offering an excellent resistance to inter-granular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500O F.

347 Stainless Steel Chemical Composition

Element	Min	Max
C	.04	.08
Cb+Ta	Cb10x	1.0
Cr	17.0	19.0
Fe	-	Bal
Mn	-	2.0
Ni	9.0	13.0
P	-	.045
S	-	.03
Si	-	.75

Mechanical Properties of 347 Stainless Steel

Tensile Strength, ksi	75
0.2% Yield Strength, ksi	30
Elongation, %	40
Hardness Max, Brinell	201

ASTM A 240 Grade 347 Stainless Steel Features

First, Good creep strength up to 1500°F
Second, Maintains good corrosion resistance in applications where the temperature is between 800°F and 1500°F.
Third, Good resistance corrosion in the as welded condition.

Applications of ASTM A 240 Grade 347 Stainless Steel

1,Oil Refineries
2, Fluid catalytic cracking units (FCC)
3, Hanger rods
4, Fired heater tubes
5, High temperature gaskets
6, Rocket engine parts
7, Exhaust manifolds
8, Chemical production equipment

As a very long history company, Shanghai Katalor Enterprises had enough experience about the quality, price for these goods in China Market. we are a professional Grade 347 stainless steel stockist and supplier. We can supply different product type and grades of ASTM A240. If you want to get the price, please do not hesitate to contact us.

Company Name: Shanghai Katalor Enterprises
Address：Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao Industrial Area, Pu dong New District, Shanghai
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:info@katalor.com
Phone:0086-18317160019

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