WSG FK1000
TIG welding rods for high strength steels

Classification DIN EN ISO

16834-A W 89 5 I1 Mn4Ni2CrMo

Material No.


Classification AWS

A5.28 ER120S-G



Characteristics and application

TIG/GTAW wire for welding high strength low alloy steels. Used for welding high strength steels in many high stress, critical applications; also exhibiting excellent toughness down to -60°C. Typical applications can be found in the mining, mobile cranes, cement pumps shipbuilding, automotive and pressure vessel industries.

Base materials

For high strength fine-grained structural steels up to yield strength 890MPa (129ksi).
S690Q-S890Q, S690QL-S890QL, S690QLN-S890QLN, S960QL, S1100QL, S1300QL
ASTM: HY80, Q1(N), HY100, Q2(N)

Typical analysis in %

C: 0,09
Si: 0,80
Mn: 1,80
Cr: 0,31
Ni: 2,20
Mo: 0,55
Ti: 0,06

Yield strength in Mpa

≥ 890

Tensile strength in Mpa

≥ 940

Elongation in %

4d/5d: ≥15

Charpy-V-Value (ISO-V) in J

-60°C ≥47

Typical heat treatment

Welding procedure, including preheat temperature, interpass temperature and PWHT, will be dependent on the base material being welded and any applicable design codes.

Other products

MIG/GMAW: ED-FK1000, ED-FK1100