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INOX R 25/14/3 NC
Description and application:
Austenitic-ferritic rutile, low carbon electrode for welding corrosion and heat resistant stainless steels and steel
castings up to 1150°C. Suitable for joining dissimilar steels.
Base materials:
- High-strength, unalloyed and alloyed constructional steels and heat treatable steels among themselves or among
each other.
- Unalloyed and alloyed boiler steels or constructional steels with highly alloyed chromium, CrNi and CrNiMo steels.
- Combination between ferritic and austenitic steels for steam boiler and pressure vessel constructions.
- Weld claddings: for the first layer of corrosion resistant weld claddings on HI, HII,StE 255, 17Mn4, StE 355-StE500
- For the first layer of corrosion resistant weld claddings on high.temperature, heat treated, fine-grained
constructional steels.
Coating type: Typical all weld metal properties:
Rutile
Chemical composition, wt %:
Welding current:
C Si Mn Cr Ni Mo
AC ≤ 0.04 0.8 0.6 23 13 3
DC +
Welding positions:
Mechanical properties:
2
Yield strength R / Rp : > 490 MPa(N/mm )
2
Redrying temperature: Tensile strength Rm: > 670 – 810 MPa(N/mm
)
300°C / 2h
Elongation A5: > 25 %
Impact energy KV : > 47 J (+20°C)
Ferrite content: FN ≈ 20
Welding and packing data:
Welding parameters Packing
φ
Length
Current
Weight/
Weight/ Weight/
mm
Approvals: mm A packet carton 1000 pcs
kg kg kg *
2 250/300 40 – 55 3.5/4 14/13.6
BV: UP
2.5 300 40 – 80 4 16 17.7
DNV: 309 Mo
TÜV 3.25 350 70 – 100 4.5 18 35.7
4 350 110 – 160 4.5 18 54.9
DB
SŽ 5 350 160 - 230 4.5 18 84.9
CR
* approximate data