DAIKOWS 700

SAW
  • HIGH YIELD STRENGTH STEELS
110ksi

Description

Low alloy solid wire for high yield strength steels
Ni-Cr-Mo low alloy submerged arc welding wire for high yield strength steels, with tensile strength higher than 770 MPa. Excellent resilience values ​​at low temperatures, down to -40°C. Suitable for carpentry, off-shore constructions, chemical and petroleum industries. The wire is also used in the production of high strength low alloy steels, where it can be used in the construction of industrial machines, cranes, and other components that require high mechanical strength.
Specifications
AWS A5.23
EG
Shielding
DAIKOFLUX 490-W, 491-W
Positions
PA, PB, PC
Current
DC/AC
Packaging Type
K415 spool and drums.
Asme qualifications
F-No (QW432)
6
A-No (QW442)
-
Chem. Comp. %
DEFAULT
C
0.07
Mn
1.7
Ni
1.6
Cr
0.15
P
0.005
S
0.004
Mo
0.25
Si
0.5
Cu
0.2
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
760
Yield strength Rp0.2 MPa
-
690
Elongation A (L0=5d0) %
-
18
Impact Charpy ISO-V
-
47J @ -40°C
Impact Charpy ISO-V
-
-
Welding Parameters
2.4 mm
3.2 mm
4 mm
Ampere
350A - 450A
430A - 530A
480A - 580A
Voltage
27V - 31V
27V - 31V
28V - 32V
Packaging
Ø 2,0÷4,0mm
Ø 2,0÷4,0mm
Ø 2,0÷4,0mm
Packaging Type
product.packaging_types.product.packaging_types.product.packaging_types.K415 spool and drums.
product.packaging_types.product.packaging_types.product.packaging_types.K415 spool and drums.
product.packaging_types.product.packaging_types.product.packaging_types.K415 spool and drums.
Description

Application

Ideal for joining high-strength thermomechanically refined and quenched and tempered fine-grain structural steels and tubes. The deposited metal provides excellent strength even at low temperatures when used with gas mixes. It has good deformability, making it particularly suitable for use in crane construction, buildings, and vehicles. It is critical to preheat according to base material and thickness; materials that could be welded with higher-strength consumables normally require a minimum preheat of 100 °C. For some HSLA steels, exceeding interpass temperatures of 200 °C can compromise strength and toughness. The post-weld heat treatment (PWHT) varies depending on the base material and the specified 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 as-welded 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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