UTP A 4221
The excellent corrosion-resistant properties of CEWELD 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.
The excellent corrosion-resistant properties of CEWELD 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.
Excelent weldabillity 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. Good resistance to nitric acid.
G-X7NiCrMoCuNb25-20, X1NiCrMoCuN25-20-6, X1NiCrMoCuN25-20-5, NiCr21Mo, X1NiCrMoCu31-27-4,
N08926, N08904, N08028, N08825 ALLOY 825
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





| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| -196°C | |||||
| As Welded | 425 | 630 | 30 | 70 | HRc |

CEWELD Alloy 825 Tig
Is an equivalent for UTP A 4221
CEWELD Alloy 825 combines excellent corrosion resistance with reliable mechanical properties, making it suitable for a wide range of demanding applications.
The filler metal is used for the fabrication and repair of equipment in the chemical and petrochemical industries, pulp and paper manufacturing, flue gas desulfurization (FGD) systems and metal pickling operations.
CEWELD Alloy 825 is particularly suitable for applications requiring resistance to aggressive chemical environments and long-term exposure to corrosive media.
CEWELD Alloy 825 combines excellent corrosion resistance with reliable mechanical properties, making it suitable for a wide range of demanding applications.
The filler metal is used for the fabrication and repair of equipment in the chemical and petrochemical industries, pulp and paper manufacturing, flue gas desulfurization (FGD) systems and metal pickling operations.
CEWELD Alloy 825 is particularly suitable for applications requiring resistance to aggressive chemical environments and long-term exposure to corrosive media.
Excellent welding characteristics with a fully austenitic weld metal providing high resistance to stress corrosion cracking and pitting corrosion in chloride-containing environments.
The combination of nickel (Ni), molybdenum (Mo) and copper (Cu) provides excellent resistance to reducing acids. In addition, the weld metal offers good resistance to oxidizing acids and maintains its corrosion resistance in seawater environments.
CEWELD Alloy 825 provides reliable weld performance with excellent corrosion resistance for demanding industrial applications.
G-X7NiCrMoCuNb25-20, X1NiCrMoCuN25-20-6, X1NiCrMoCuN25-20-5, NiCr21Mo, X1NiCrMoCu31-27-4,
N08926, N08904, N08028, N08825 ALLOY 825
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






| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| RT | |||||
| As Welded | 425 | 630 | 30 | 100 | HRc |
