Length of 4200M Alloy 825 / N08825 Welded Coiled Tubing For Oil And
Gas
Grade: Alloy 625/UNS N06625, Alloy 825/UNS N08825 etc.
OD: 2.38-25.4mm
WT: 0.51-2.65mm
Length: ＜10000 m/coil
Features: Alloy 825 has excellent resistance to chloride-ion-induced stress
corrosion cracking, reducing environments containing phosphoric and
sulfuric acids, oxidizing environments containing nitric acid and
nitrates, and pitting, crevice corrosion and intergranular
corrosion. It has good mechanical properties at cryogenic
temperatures to moderately high temperatures up to 538℃.
Application: Control tubing in oil and gas well
Instrument tubing
Chemicl injection tubing line
Pre-insulated tubing
Electric heating or steam heating tubing line
Hater tubing line
Chemical composition:
| % | Ni | Fe | Cr | C | Mn | Si | S | Mo | Cu | Ti | Al |
| min | 38.0 | 22.0 | 19.5 | - | - | - | - | 2.5 | 1.5 | 0.60 | - |
| max | 46.0 | - | 23.5 | 0.05 | 1.00 | 0.50 | 0.030 | 3.5 | 3.0 | 1.20 | 0.20 |
Physical properties
| Density | 8.14 g/cm3 |
| Melting range | 1370-1400℃ |
Through the introduction of the latest equipment, at present, we
are one of the few suppliers in China who have successfully
produced alloy 825 welded coiled tubing, each with a length of 4200
meters.
MTSCO has 26 cold-drawing production lines. And the annual
production capacity is 5000 tons, the annual GDP is more than 30
million USD.
1 . Seamless tube : small diameter seamless overlength coiled
tubing , bright annealed tube , inside and outside polished tube ,
heat exchanger tube , U-bent tube , the products all adopt the most
advanced technology , with 26 production lines .
2 . Seamless pipe : MTSCO has 8 production lines for stainless
steel cold drawn pipe , 10 production lines for cold roll pipe .
3 . Other Products : Stainless steel welded pipe , flange and
fitting are our relevant products , for providing our clients the
supplied solutions of the pipeline projects .
