UP-99 CrMo5 (S1CrMo5)
SAW (submerged arc welding) wires for creep resisting steel

Classification DIN EN ISO

24598-A-S S CrMo5

Material No.

1.7374

Classification AWS

A5.23 EB6

Approvals

TÜV 03274.06, CE

Characteristics and application

Submerged arc welding wire for high temperature creep resistant 5%Cr-0.5%Mo ferritic steel. The 5%Cr-0.5%Mo creep resistant alloy is used for service up to ~600°C particularly in environments involving hot hydrogen gas. Typical applications are found in oil refineries.

Base materials

For matching 5%Cr-0.5%Mo creep resisting ferritic steels.
X12CrMo5, GX12CrMo5
ASTM: A182/A336 grade F5, A199/A213 grade T5, A217 grade C5, A234 grade WP5, A335 grade P5, A387 grade 5

Typical analysis in %

C: 0,08
Si: 0,30
Mn: 0,50
Cr: 6,00
Mo: 0,60

Yield strength in Mpa

≥470

Tensile strength in Mpa

≥590

Elongation in %

4d/5d: ≥20/17

Typical heat treatment

Preheat temperature: 200°C
Interpass temperature: max. 300°C
PWHT: 745°C.

Other products

MIG/GMAW: ED-SG CrMo 5
TIG/GTAW: WSG CrMo 5