UTP 4225

Ceweld product
Type
Rutile-basic nickel based electrode for DC+ and AC current
classification
AWS
636-A: E Ni 8025 (NiCr29Fe30Mo)
EN ISO
14172: E Ni 8165
W.Nr.
2.4652
Applications
The excellent corrosion-resistant properties of Alloy 825 make the alloy a suitable choice for a variety of difficult applications. Uses include fabricated equipment found in chemical and petro- chemical processing, pulp and paper manufacturing, flue gas desulphurization systems and metal pickling operations.
Type
Rutile-basic nickel based electrode for DC+ and AC current
Applications
The excellent corrosion-resistant properties of Alloy 825 make the alloy a suitable choice for a variety of difficult applications. Uses include fabricated equipment found in chemical and petro- chemical processing, pulp and paper manufacturing, flue gas desulphurization systems and metal pickling operations.
Propriétés

Excellent weldability with fully austenitic weld metal with high resistance against stress corrosion cracking and pitting in media containing chloride ions. Good corrosion resistance against reducing acids due to the combination of Ni, Mo and Cu. Sufficient resistance against oxidizing acids. The weld metal is corrosion resistant in sea water.

Classification
AWS
636-A: E Ni 8025 (NiCr29Fe30Mo)
EN ISO
14172: E Ni 8165
FM
6
W.Nr.
2.4652
Convient pour

G-X7NiCrMoCuNb 25 20, X1NiCrMoCuN25 20 6, X1NiCrMoCuN25 20 5, NiCr21Mo, X1NiCrMoCu 31 27 4, N08926, N08904, ALLOY 825, N08028, UNS N08825 W.Nr: 1.4500, 1.4529, 1.4539 (904L), 2.4858, 1.4563, 1.4465, 1.4577 (310Mo), 1.4133, 1.4500, 1.4503, 1.4505, 1.4506, 1.4531, 1.4536, 1.4585, 1.4586

Positions de soudage
PA
PB
PC
PD
PF
Etuvage
300°C / 2 hr
Analyse
C Si Mn Cr Ni Mo Nb Ti V Fe W Co Cu Al
0.02 0.5 2 25 40 5.5 0.2 25 2
Propriétés mécaniques
Heat
Treatment
RP0,2
(MPa)
Rm
(MPa)
A5
(%)
Impact Energy (J) ISO-V Hardness
-196°C
As Welded 425 630 30 70 HRc