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U 40 (G II)
Gas welding rods for mild and low alloyed steel

Classification DIN EN

20378 - II

Material No.

1.0494

Classification AWS

A5.2 R60

Approvals

CE, DB 70.045.04

Characteristics and application

Rod for gas welding. For joint welding in pipe and tank construction. Tough deposit.

Base materials

Steels up to a yield strength of 275MPa (40 ksi).
S185, S235JR-S275JR
ASTM: A36, A106 grades A/B/C, A139 grade A, A210 grades A1/C, A216 grades WCA/WCB/WCC, A234 grade WPB

Typical analysis in %

C: 0,09
Si: 0,15
Mn: 1,10

Yield strength in Mpa

≥ 300

Tensile strength in Mpa

≥ 400

Elongation in %

4d/5d: ≥ 20

Charpy-V-Value (ISO-V) in J

RT ≥ 47

Typical heat treatment

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

Other products

SAW: UP-99/UP-100/UP-101/UP-102/UP-100Si
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 Ni

Contact us

Hermann Fliess & Co. GmbH
Essenberger Straße 91
47059 Duisburg, Germany
Phone: +49 203-31908-0
Fax: +49 203-31908-90
E-mail: info@fliess.com

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