ASTM A789 S31803 Duplex Steel Heat Exchanger Tube Annealed Pickling Surface

ASTM A789 S31803 Duplex Steel Heat Exchanger Tube With Annealed&Pickling Surface

Our heat exchanger tube with pickling and annealing surface is very popular in boilers and heat exchangers industry , water heater industry , air-conditioning industry etc . This kind of seamless tubes are have a very important position in our all products .

Duplex U Tube 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

Duplex Steel Tube Terms & Conditions :

1 . Price Term : FOB , CFR , CIF or as negotiation

2 . Payment : T / T , L / C or as negotiation

3 . Delivery time : 30 working days after received your deposit ( Normally according to the order quantity )

4 . Package : Iron case ; woven bag or as per customer’s requirement

5 . Quality Requirement : Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable

Duplex Steel Tube Chemical Composition:

About MTSCO:

Who MTSCO is?

MTSCO established in 2006, during many years’ development, now becomes a large and professional industrial piping system provider, serving customers from more than 100 countries and regions.

What products can MTSCO provide?

What materials can MTSCO provide?

Austenitic: 304/L/H/N,316/L/H/N/Ti,321/H,309/H,310S,347/H,317/L904L

Duplex steel: 31803,32205,32750,32760

Nickel Alloy:

UNS N10001, N10665, N10675, N06455, N06022, N10276, N06200, N06035, N06030, N06635, N10003, N06002, R30188, N06230, R30556

UNS N06600, N06601, N06617, N06625, N07718, N07750, N08800, N08810, N08811, N08825, N09925, N08926

UNS N04400, N05500

Precipitation-hardening Steels: 254SMO/S31254, 17-4PH, 17-7PH, 15-7PH

Nickel: N4/UNS N02201, N6/UNS N02200

How can MTSCO service customers?

MTSCO's ISO9001 Quality System is issued by TUV. Our full and professional inspection reports contain two parts, one is self-inspection of the requirements beyond ISO9001, which is 100% inspected by our own QC; another is 100% inspected by professional QC teams.

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Who we are?

MTSCO established in 2006, during many years’ development, now becomes a large and professional industrial piping system provider, serving customers from more than 100 countries and regions.