25.4mm Cold Rolled Seamless/ Welded U Bend Tube Duplex Steel For
Heat Exchanger
MTSCO 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 .
Heat Exchange 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 Chemical Composition:
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max |
| S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
| S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
| S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
| S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
| Grade | S31803; TP304 ; TP304H ; TP304L ; TP316 ; TP316L ; TP 321 ; TP321H
; TP317L ; TP310S ; TP347H |
Standard
| ASTM A789, ASTM A213 , ASTM A 269 , ASTM A 270 , EN10216-5 ; ASTM B 622 ; ASTM
B516 ,etc |
| Size | Routine OD : 19.05mm,25.4mm,31.8mm,38.1mm |
| WT : 1.2-2.77mm |
| Length : According to customer needs up to 20m |
| Advantage | Superior surface finish , better mechanical property ; more precise
dimension ; perfect inspection method and inspection equipment |
| Application | Boiler tube applies to petroleum , chemical industry , electric
power , boiler , high temperature resistant , low temperature
resistant , corrosion resistant . The size can be made according to
the customers requirements . High pressure boiler pipe applies to
container , petrochemical and so on . Note : Generally , high
pressure boiler pipe’s working pressure above 9.88Mpa and working
temperature between 450 to 650 . |
| Package | Plywood case |
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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