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Ganyeah Holding Group Co., Ltd
Ganyeah Holding Group Co., Ltd  

Gold Index: 85757

You are here: home  > Industrial Stainless Steel Pipe  > Stainless Steel Welded Pipe

Stainless Steel Welded Pipe 

Price: 4500.0 USD 
Payment Terms: T/T,L/C,D/A,D/P 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: 730640
Production Capacity: 2000Ton/Month
Delivery Date: 15days
Grade: SUS 304/304L/ 316L/347H/S32...
Inspection: UT, ET, HT, RT
Certification: API 5LC,DNV•GL, ABS, TUV, L...
Surface: Pickling,annealing,polishin...
Origin: China
Means of Transport: Ocean,Land
Packing: Plastic, Wooden Case, Other...
Brand: Ganyeah
Standard: Astm a312/Astm a778/Astm a5...
Section Shape: Round
Length: 6 m or as customers' reques...
HS Code: 730640000/730611000

347 Stainless Steel is variant of the basic austenitic 18/8 Grade 304 with added Columbium - the introduction of Columbium stabilizes the steel

General Properties of 347 Stainless Steel SS Welded Pipe 

Alloys 321 (S32100) and 347 (S34700) are stabilized Stainless Steel SS Welded Pipe which offer as their main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 15000F (427 to 8160C). Alloy 321 is stabilized against chromium carbide formation by the addition of titanium. Alloy 347 is stabilized by the addition of columbium and tantalum.

While Alloys 321 and 347 continue to be employed for prolonged service in the 800 to 15000F (427 to 8160C) temperature range, Alloy 304L has supplanted these stabilized grades for applications involving only welding or short time heating.

Alloys 321 and 347 stainless steels are also advantageous for high temperature service because of their good mechanical properties. Alloys 321 and 347 stainless steels offer higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns. This results in higher elevated temperature allowable stresses for these stabilized alloys for ASME Boiler and Pressure Vessel Code applications. The 321 and 347 alloys have maximum use temperatures of 15000F (8160C) for code applications like Alloy 304, whereas Alloy 304L is limited to 8000F (4260C).

High carbon versions of both alloys are available. These grades have UNS designations S32109 and S34709.

Chemical Composition of 347 Stainless Steel SS Welded Pipe 

Represented by ASTM A240 and ASME SA-240 specifications.

 Element347
Carbon*0.08
Manganese2.00
Phosphorus0.045
Sulfur0.03
Silicon0.75
Chromium17.00-19.00
Nickel9.00-13.00
Columbium +
Tantalum**
10xC min to 1.00 max
Tantalum--
Titanium**--
Cobalt--
Nitrogen--
IronBalance

Stainless Steel SS Welded PipeStainless Steel SS Welded PipeStainless Steel SS Welded PipeStainless Steel SS Welded Pipe


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Company Info

Ganyeah Holding Group Co., Ltd [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Lishui
Province/State: Zhejiang
Country/Region: China (Mainland)

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