Massive Selection for Best Selling Stainless Steel Coil Tubing - ASTM A269 321H stainless steel exchanger pipe – Sihe
Massive Selection for Best Selling Stainless Steel Coil Tubing - ASTM A269 321H stainless steel exchanger pipe – Sihe Detail:
ASTM A269 321H stainless steel exchanger pipe
Heat exchanger tube in an extensive range of austenitic stainless steels, duplex stainless steels, nickel alloys, titanium and zirconium, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and reheaters.
Heat exchanger Tubes are used in all types of process industries. Characteristic requirements are: bead worked weld, fixed lengths and extensive testing.
Our commitment to on-time delivery and supply of high-quality material has enabled us to build lasting relationships with engineering companies and end users right across the global.
Each U bend tube of our range is rigorously quality checked by our team of talented professionals on every stage of production to deliver the clients defect free best quality products.
Specification
Grade :commonly ASTM A213 S304/304L,316/316L ,317L ,321/321H , 410,Duplex 2205 (UNS S31803)
Standard:ASTM A312 ASTM A269 213
Process: Method Cold Drawn/ Cold Rolled
Surface Finish :Annealed/ Polished
Package: Woven bag for each piece, then packed in seaworthy wooden cases
Delivery Time: 20-60 Days after receiving the deposit (Normally according to the order quantity)
Price Item :FOB, CIF or as negotiation
Payment :T/T(30% in advance, 70% against the BL Copy) or as negotiation
Quality Requirement: Mill Test Certificate will be supplied with shipment, Third Part Inspection is acceptable
Surface protection: Unless otherwise stated in order tubes are delivered with inner and outer surfaces temporarily protected with a film of light mineral oil.
Tubes ends: The tubes are supplied plain, square cut and on request the tubes can be deburred.
1 . We use Cold Drawn techonology to produce U bend tube
2 . U bend tubes produce will accordance to customer’s drawings
3 . To avoid oxidation , inert gas (Argon) is passed through tubes ID at the required flow rate
4 . The radius is checked for its OD and wall thinning with the recommended specification
5 . We’ll choose three different position or as customer’s require to make sure tubes quality . We’ll do physical properties and micro-structure test
6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test
7 . Each tube is then hydro tested at the recommended pressure to check for leakage
Chemical Composition for stainless steel exchanger pipie for raw material
ASTM/UNS |
C (max) |
Si (max) |
Mn (max) |
P (max) |
S (max) |
Cr |
Ni |
Mo |
Ti |
TP304/S30400 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
18.0-20.0 |
8.0-10.5 |
||
TP304L/S30403 |
0.035 |
1.00 |
2.00 |
0.045 |
0.03 |
18.0-20.0 |
8.0-13.0 |
||
TP304H/S30409 |
0.04-0.10 |
1.00 |
2.00 |
0.045 |
0.03 |
18.0-20.0 |
8.0-11.0 |
||
TP316/S31600 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
16.0-18.0 |
11.0-14.0 |
2.0-3.0 |
|
TP316L/S31603 |
0.035 |
1.00 |
2.00 |
0.045 |
0.03 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
|
TP316Ti/S31635 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
0.7>5x(C+N) |
TP321/S32100 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
17.0-19.0 |
9.0-12.0 |
0.7>5x(C+N) |
|
TP317L/S31703 |
0.035 |
1.00 |
2.00 |
0.045 |
0.03 |
18.0-20.0 |
11.0-15.0 |
3.0-4.0 |
|
TP347H/S34709 |
0.04-0.10 |
1.00 |
2.00 |
0.045 |
0.03 |
17.0-19.0 |
9.0-13.0 |
||
TP309S/S30908 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
22.0-24.0 |
12.0-15.0 |
0.75 |
|
TP310S/S31008 |
0.080 |
1.00 |
2.00 |
0.045 |
0.03 |
24.0-26.0 |
19.0-22.0 |
0.75 |
Application:
a) Petroleum , chemical enterprise , super heater of boiler and heat exchanger
b) High temperature-resistant transmission fluid pipe in power station
c) Ship with pressure pipe
d) Exhaust purification device
e) Construction and ornament
f) solar industry , military , semiconductor etc
Product detail pictures:
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Persisting in "High top quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with customers from the two overseas and domestically and get new and aged clients' large comments for Massive Selection for Best Selling Stainless Steel Coil Tubing - ASTM A269 321H stainless steel exchanger pipe – Sihe , The product will supply to all over the world, such as: Czech republic, Luxembourg, Slovak Republic, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. Trust us and you will gain more. Please feel free to contact us for more information, we assure you of our best attention at all times.
By David from Argentina - 2016.01.28 18:53
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Sarah from South Africa - 2015.02.21 12:14