ASTM A249 TP347 Stainless Steel ERW Tubes
Name:ASTM A249 TP347 Stainless Steel ERW Tubes
Section Shape：Round
Size：12.7~152.4mm
Standards：ASTM A249
Surfaces：Unpolish, Mill Finish, Polish.
Export Packing：Ply-Wooden Case / Bundle with Plastic Cap.
Applications：Heater,Boiler,Heat Exchanger,Dairy,Food Industry.
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a249 tp347 stainless steel erw tubes in China. With abundant experience, we warmly welcome you to wholesale customized astm a249 tp347 stainless steel erw tubes from our factory. For price consultation, contact us.
ASTM A249 TP347 Stainless Steel ERW Pipe complies with the ASTM A249 standard and is primarily used in applications that require high temperature resistance and durability in corrosive environments.
TP347 Stainless Steel Welded Pipe is a niobium-stabilized austenitic stainless steel, with the addition of niobium significantly improving resistance to intergranular corrosion in high-temperature conditions, while maintaining excellent mechanical properties and weldability.
ASTM A249 TP347 Welded Tube is widely used in various pipeline systems, including steam pipelines, hot oil pipelines, and those used for transporting corrosive media.
Contact us now for a free estimate. info@gneestainless.com
ASTM A249 TP347 Stainless Steel Tube Specification
CHEMICAL COMPOSITION OF SS 347 WELDED TUBES
| Grade | C | N | P | Mn | Si | S | Cr | Ni | OTHER | |
| 347 | Min | – | – | – | – | – | – | 17.0 | 9.00 | Nb=10(C+N) |
| max | 0.08 | – | 0.045 | 2.00 | 1.00 | 0.030 | 20.0 | 13.00 | 1.0 |
MECHANICAL PROPERTIES FOR SS 347 WELDED TUBES
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 515 | 40% | 205 | 92 | 201 |
ASTM A249 Tp347 ERW Stainless Steel Tube
Inspection
1.100 % Dimensional and visual control.
2.100 % Ball passed test
3.100 % Hydrostatic test min 10Mpa/ min 10sec.
4.Coating :Passivation and oiled, Black paint or varnish
5.Mill Test Certificate:EN 10204/3.1B
ASME SA249 TP347 Stainless Steel Tube inspection
Stainless Steel 347 Welded Tube Supplier
GNEE PACKAGING AND SHIPPING
FAQ
Q: Can we visit your factory?
A: Warm welcome. We'll pick you up as soon as we know your itinerary.
Q: Do you have quality control?
A: Yes, we have passed BV and SGS certifications.
Q:Can you arrange shipment?
A: Of course, we have regular freight forwarders who can get the best rates from most shipping companies and provide professional service.
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