154 Böhler Thyssen Schweisstechnik Deutschland GmbH – 09_2005

Approvals TÜV (Certificate No. 6166) Controlas

Polarity = –Shielding gas (EN 439) I1

Thermanit MTS 3GTAW rod / wire

Welding instruction

Materials

Matching steels/cast steel grades

PWHT

760 °C (1400 °F) – at least 2 h / air

Cool downbefore PWHT

100 °C( 212 °F)

Preheating / Interpass temperature

200 - 250 °C (392-482 °F) / 200 - 300 °C (392-572 °F)

C Si Mn Cr Mo Ni Nb V

0.1 0.3 0.5 9.0 1.0 0.7 0.06 0.2

Marks(Rods only)

Typical analysisof welding rod in %

Mechanical proper-ties of the weldmetal according to EN 1597-1(min. values at RT)

Heat- Yield strength Tensile Elongation Impact valuestreatment 0.2% strength (L0=5d0) in J CVN

N/mm2 N/mm2 %

760 °C / 2 h 530 620 17 50

W CrMo91 / ER90S-B9

Materials X10CrMoVNb9-1 (1.4903);ASTM A199 Gr. T91; A355 Gr. P91(T91); A213/213M Gr. T91

Creep and stress rupture properties

According to matching high temperature resistant parent metal

Characteristics and field of use

High temperature resistant, resistant to scaling up to 600 °C(1112 °F). Suited for joining and surfacing applications with quenched and tempered 9 % Cr steels, particularly for matching high temperature resistant parent metal T91 / P91according to ASTM.

Classifications EN 12070 AWS A 5.28 Mat. No.

W CrMo91 ER90S-B9 1.4903

Structure Martensite, suitable for quenching and tempering

Packaging andweights

Diam. x Length (mm) kg / pack

2.0 x 1000 10.02.4 x 1000 10.03.2 x 1000 10.0