UP-99 Si (S1Si)
SAW (submerged arc welding) wires for mild and low alloyed steel

Classification DIN EN ISO

14171-A S1Si

Material No.

-

Classification AWS

-

Approvals

-

Characteristics and application

TIG rod for standard CMn structural steels. Typical applications include shipbuilding, pressure vessels and general construction.

Base materials

For CMn and mild steels with yield strength up to ~360MPa (52ksi).
S185-E360, S235JR-S355JR, S235J0-S355J0, S235J2-S355J2, S275N-S355N, S275M-S355M, P235GH-P355GH, P275N-P355N, P355M, P355Q, Pipeline steels L210-360, Shipbuilding grades A-E, AH36, DH36
ASTM: A36, A106 grades A/B/C, A139, A210 grades A1/C, A216 grades WCA/WCB/WCC, A234 grade WPB, A266 grades 1/2/4, A283 grades A/B/C/D, A285 grades A/B/C, A299 grades A/B, A515 grades 60/65/70, A516 grades 55-70, A656 grade 50
API: 5L grades X42-X52

Typical analysis in %

C: 0,06
Si: 0,30
Mn: 0,50

Typical heat treatment

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

Other products

SAW: UP-99/UP-99 Si/UP-100/UP-100 Si/UP-101/UP-102
MIG/GMAW: ED-SG 1/ED-SG 1 A/ED-SG 2/ED-SG 3
TIG/GTAW: WSG 1/WSG 1 A/WSG 2/WSG 3
Gas welding: U 39/U 40/U 40 Ni