ASTM A249 TP321 Welded Condenser Tubes
Name:ASTM A249 TP321 Welded Condenser 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 tp321 welded condenser tubes in China. With abundant experience, we warmly welcome you to wholesale customized astm a249 tp321 welded condenser tubes from our factory. For price consultation, contact us.
ASTM A249 TP321 Welded Condenser Tube is made by adding titanium to 304 stainless steel, which significantly enhances resistance to intergranular corrosion, especially in high-temperature environments. This is particularly beneficial after welding or in heat-affected areas, as it helps to reduce or prevent intergranular corrosion.
ASTM A249 TP321 Stainless Steel Welded Pipe can maintain stable performance at temperatures up to 816°C, making it ideal for high-temperature applications. Additionally, it offers good plasticity and toughness, is easy to process and form, and is suitable for various industrial applications.
Contact us now for a free estimate. info@gneestainless.com
ASTM A249 TP321 Stainless Steel Tube Specification
UNS S31703 Stainless Steel Welded Tube Chemical Composition
| Grade | C | N | Ni | Si | P | S | Mn | Cr | TI | |
| SS 321 | Min | - | - | 9.00 | - | - | - | - | 17.0 | 5(C+N) |
| max | 0.08 | 0.10 | 12.00 | 1.00 | 0.045 | 0.030 | 2.00 | 19.0 | 0.70 max |
Stainless Steel WERKSTOFF NR. 1.4438 Welded Tubing Mechanical Properties
| 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 | ||||
| SS 321 | 515 | 40 | 205 | 95 | 217 |
ASTM A249 TP321 Stainless Steel Welded 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
SS S32100 Welded Tubing inspection
SS DIN 1.4541 Welded Tubes Exporter
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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