Application
These consumables are designed to ensure excellent impact resistance even at low temperatures, making them ideal for use in constructions with high-strength low-alloy (HSLA) steels, such as cranes, earth-moving equipment, and the like. They are also particularly suitable for offshore fabrications and components in the chemical and petrochemical industries. Preheating based on the base material and thickness is crucial, considering that higher strength materials often require a minimum preheat of 100 °C. For some HSLA steels, it's advisable to avoid interpass temperatures above 200 °C, as they may compromise the weld joint's strength and toughness. Post-weld heat treatment (PWHT) is closely related to the base material and the specific application.
Alloy Type
Mn-Ni-Mo low alloy consumables for welding high strength steels with ultimate tensile strength to 690 MPa (100ksi).
Microstructure
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.: S460, S500, S550, S620, S620Q, S620QL, S620QL1, S690Q, S690QL, S690QL1, S600MC, S650MC, S700MC, L690M, L830M
  • ASTM: A 514 Gr. F, H, Q, A 709 Gr. 100 Type B, E, F, H, Q, A 709 Gr. HPS 100W
  • API: 5L X65, 5L X70, 5L X80+
  • PROPRIETARY: N-A-XTRA® M 700 (ThyssenKrupp), Strenx® 700 (SSAB)

Products of the line 100ksi

Product name Process AWS specifications EN ISO specifications
DAIKOWT NiMo GTAW
AWS A5.28
ER100S-G
EN ISO 16834-A
W 62 4 Mn3NiCrMo
G-TECH 109 SMAW
AWS A5.5
E10018-G
EN ISO 18275-A
E 62 5 1,5NiMo B 42
DAIKOMCW 109 FCAW
AWS A5.36
E91T15-M21
EN ISO 18276-A
T 55 5 Z M M 1 H5
DAIKOWM NiMo GMAW
AWS A5.28
ER100S-G
EN ISO 16834-A
G 62 4 Mn3NiCrMo
DAIKOWS S3NiMo SAW
AWS A5.23
EF3
EN ISO 26304-A
S3Ni1Mo

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