Suzhou Xunshi New Material Co., Ltd
| Standard | AISI|ASTM|DIN |
| Type | Seamless |
| Steel Grade | 300 Series |
| Application | High temperature chemical process, heat exchanger tubes |
| Packaging Details | Wooden box |
| Delivery Time | 45 days |
| Payment Terms | T/T |
| Supply Ability | 100 Metric Ton per month |
| Place of Origin | Suzhou, China |
| Brand Name | AIWEN |
| Certification | BV, TUV, , ISO, PED |
| Model Number | UNS S34709 |
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Product Specification
| Standard | AISI|ASTM|DIN | Type | Seamless |
| Steel Grade | 300 Series | Application | High temperature chemical process, heat exchanger tubes |
| Packaging Details | Wooden box | Delivery Time | 45 days |
| Payment Terms | T/T | Supply Ability | 100 Metric Ton per month |
| Place of Origin | Suzhou, China | Brand Name | AIWEN |
| Certification | BV, TUV, , ISO, PED | Model Number | UNS S34709 |
TP347H UNS S34709 Stainless Steel Seamless Pipe
General Introduction
S347H is a austenitic chromium steel containing colubium. It is recommended for parts fabricated by welding which cannot be subsequently annealed. This type is also used for parts which are intermittently heated and cooled to temperatures between 800°F and 1600°F. The addition of columbium produces a stabilied type of stainless that eliminates carbide precipitation and, consequently, intergranular corrosion.
Chemical Composition
| C | Co | Cr | Mn | Ni | P | S | Si | Ta |
| Max | Max | Max | Max | Max | ||||
| 0.08 | Trace* | 17.0-20.0 | 2.0 | 9.0-13.0 | 0.04 | 0.30 | 0.75 | Trace* |
Designed Features
• Superior general corrosion resistance over Type 321 due to stabilization with columbium.
• Reduced tendencies to form continuous networks of chromium carbides at the grain boundaries.
• Better high temperature properties than 304 or 304L. Generally used for parts which are intermittently heated up to 1500 deg. F. For continuous service the maximum temperature is 1650 deg. F.
• Type 347H has high carbon (.04 - . 10) for better high temperature creep properties. • Improved intergranular corrosion resistance.
Typial Application
***High temperature chemical process, heat exchanger tubes
***Refineries
***High temperature steam service
Packing
We choose the right way of packing to protect products and save your cost *Plywood cases
*Reinforced plywood case by steel angle bar
*Plastic bags bundled
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2005
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Site Member
About XUNSHI Suzhou Xunshi New Material Co., Ltd (refered as Xunshi afterwards) is a professional supplier of high performance alloys. Our factory is specialized in manufacturing Nickel alloys & Cobalt alloys for 10+ years，with a company mission to provide a high quality, reliable... About XUNSHI Suzhou Xunshi New Material Co., Ltd (refered as Xunshi afterwards) is a professional supplier of high performance alloys. Our factory is specialized in manufacturing Nickel alloys & Cobalt alloys for 10+ years，with a company mission to provide a high quality, reliable...
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