DAIKOMCW 115

FCAW
  • HIGH YIELD STRENGTH STEELS
110ksi

Description

Metal all position flux cored wire
Virtually spatter free in the spray-arc range and particularly suitable for robotic applications, this Ni-Cr-Mo low alloy metal core wire is formulated for welding high yield strength steels, with tensile strength higher than 770 MPa. Excellent resilience values ​​at low temperatures, down to -60°C. Suitable for carpentry, off-shore constructions, chemical and petroleum industries. It can be used in the construction of industrial machines, cranes, and other components that require high mechanical strength.
Specifications
ISO 18276-A
69 6 Mn2NiCrMo M M21 H5
AWS A5.36
E111T1-15
Shielding
M21
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
BS300 spool
Asme qualifications
F-No (QW432)
6
A-No (QW442)
10
Chem. Comp. %
DEFAULT
C
0.07
Mn
1.4
Ni
2.2
Cr
0.35
P
0.02
S
0.02
Mo
0.4
Si
0.4
Cu
0.15
Mechanical Properties
min
variant
Tensile strength Rm MPa
760
900
Yield strength Rp0.2 MPa
690
690
Elongation A (L0=5d0) %
17
17
Impact Charpy ISO-V
47J @ -60°C
47J @ -60°C
Impact Charpy ISO-V
-
-
Welding Parameters
1.2 mm
1.6 mm
Ampere
160A - 280A
180A - 350A
Voltage
18V - 30V
30V - 34V
Packaging
Ø 1,2÷1,6mm
Ø 1,2÷1,6mm
Packaging Type
BS300 spool
BS300 spool
Description

Application

Designed for welding quenched and tempered, as well as thermomechanically rolled fine-grained structural steels and high-strength tubes, these consumables yield exceptionally tough weld metal at low temperatures. Their notable deformability makes them well-suited for crane, building, and vehicle constructions. The precise addition of micro-alloying elements ensures excellent ductility and crack resistance despite the high strength. Preheat considerations should align with the base material and thickness, with materials intended for welding by these high-strength consumables typically requiring a minimum preheat of 100°C. Caution is advised with certain HSLA steels, as interpass temperatures exceeding 200°C may lead to reduced strength and toughness. Post-weld heat treatment (PWHT) requirements generally hinge on the base material and application.

Alloy Type

Mn-Ni-Mo low alloy consumables for welding high strength steels with ultimate tensile strength up to 750 MPa (110 ksi).

Microstructure

The microstructure of all the consumables is predominantly ferrite; some will contain high proportions of acicular ferrite for optimum aswelded toughness

Materials

For joining of quenched and tempered and thermomechanically rolled fine-grained structural steels. For use in building, crane and vehicle constructions.
EN W.Nr.: S690QL1, L555M, S690Q, S690QL, S690QL1, S650MC, S700MC.
ASTM: A 514 Gr. F, H, Q.
API: 5L X80, 5L X90, 5L X100.
PROPRIETARY: N-A-XTRA® M 700 (ThyssenKrupp), Strenx® 700 (SSAB).

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