|Chemical Composition Limits|
|Weight%||C||P||Si||Ni||Mn||S||Cr||Cb + Ta||Fe||Co||Mo||Cu|
|347||0.08 max||0.040 max||1.00 max||9-12||2.0 max||0.030 max||17-19||10 x C min||Bal||1.00 max
only AMS 5646
|0.75 max||0.75 max|
|347H||0.04-0.10||0.040 max||1.00 max||9-12||2.0 max||0.030 max||17-19||10 x C min||Bal|
Type 347 Stainless Steel is a chromium nickel stainless steel which has been modified by the addition of columbium and tantalum. The main advantage of this is an excellent resistance to intergranular corrosion which is common to other austenitic stainless steels following exposure to temperatures of 800° to 1500°F. Type 347 Stainless Steel has about the same general corrosion resistance as Type 302.
Type 347 Stainless Steel is generally used where corrosive conditions are severe, such as aircraft exhaust stacks, manifolds and ring collectors. Type 347 Stainless Steel is also used for heavy welded assemblies which cannot be annealed after welding or where the operating conditions cause exposure within the temperature range between 800° to 1500°F.
|Material||Yield Strength (ksi)||Tensile Strength (ksi)||% Elongation||Hardness HB|
|347 Stainless Steel
Sheet (Sol Trtd)
|347 Stainless Steel
Bar (Sol Trtd)
Type 347 Stainless Steel is available in Stainless Steel Flanges, Stainless Steel Pipes, Stainless Steel Bars (Stainless Steel AngleBars, Stainless Steel Flat Bars, Stainless Steel Hex Bars, Stainless Steel Round Bars, Stainless Steel Square Bars), Stainless Steel Tubes , Stainless Steel Pipe Fittings.
347 / 347H
AMS 5512 stainless steel flanges
AMS 5556 Seamless/ welded stainless steel tubes
AMS 5558 Welded /thin wall stainless steel tubes
AMS 5571 Seamless stainless steel tubes
AMS 5575 Welded stainless steel tubes
AMS 5646 stainless steel flanges
AMS 5654 stainless steel flanges (aircraft quality)
MIL-T-8606 Seamless stainless steel tubes
MIL-T-8606 Welded stainless steel tubes
MIL-T-8808 Seamless stainless steel tubes
MIL-T-8808 Welded stainless steel flanges
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A479 / ASME A479
BS 2T66 stainless steel flanges
BS T72 stainless steel flanges
BS 970; 347S17
EN58F / EN58G
Established in 2008, Yaang Pipe Industry Co., Limited is a professional organizer and one-stop-shop supplier for steel piping system products, including stainless steel pipes and stainless steel tubes, stainless steel forged flanges and butt-welding stainless steel pipe fittings, stainless steel pipe fittings, stainless steel elbows, stainless steel tees, stainless steel reducer, stainless steel stub end, stainless steel gaskets, stainless steel fasteners, stainless steel valves, Sanitary Services etc. in China. We have devoted to providing the best solutions of steel materials and industrial equipment for our respected customers.
We supply not only commonly used stainless steel materials (SS304/L,SS316/L,SS321), but also duplex and super duplex steel 1.4547, 1.4462, 1.4410 (S31254,S31803,S32750,S32760), special austenite stainless 310S, 347H, 347, 317L, 904L... Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining,Sewage treatment, Natural gas and Pressure vessels and other industries.
Yaang products are according to national standard GB/T12459, GB/T13401, U.S. standard ANSI/ASME B16.9, ANSI/ASME B16.5/B16.47, ANSI/ASME B16.11, ANSI/ASME B36.19M/ B36.10M, ASME B16.20,British standard BS,Germany standard DIN,Japan standard JIS..., The purpose built nonstandard or special use products as per customer's demand, we will try our best to satisfy it.
To be a reliable supplier, providing high quality products,very best service and support, Yaang will do that always!
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Address：Longwan District, Wenzhou, Zhejiang Province, China.
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Yaang Pipe Industry Co., Ltd. is an international supplier of piping solutions for flange, butt welding fittings, socket welding fittings and threaded fittings. Our products are widely used in different industrial fields, including oil and gas, chemical industry, petrochemical industry, power plant, pulp and paper industry, environmental and water conservancy engineering, engineering projects, etc.