SAW (submerged arc welding) wires for mild and low alloyed steel

Classification DIN EN ISO

26304-B SUN4M2

Material No.


Classification AWS

A5.23 EM2



Characteristics and application

Submerged arc welding wire for high strength quenched and tempered steels. Applications will be found in the offshore industry, shipbuilding, pressure vessels, earthmoving equipment, cranes and general structural fabrication.

Base materials

For high strength low alloy steels with yield strength up to 690MPa (100ksi).
EN: S500Q-S690Q, S500QL-S690QL, P500Q-P690Q, P500QL1-P690QL1
RQT 701, N-A-XTRA 700, USS-T1
ASTM: A514, A517. HY80, HY100, Q1(N)

Typical analysis in %

C: 0,08
Si: 0,35
Mn: 1,50
Cr: 0,25
Ni: 1,90
Mo: 0,45

Typical heat treatment

Preheat and PWHT are often not necessary but actual requirements will depend on the grade and thickness of material being welded and any design codes that apply.

Other products

UP: UP-101 NiMoCr
MSG: ED-FK 1/ED-FK 800