Welding

All about welding, arranged by
TÜV SÜD Industrie Service GmbH and our Partner AIR LIQUIDE Deutschland GmbH

Welding bases

Operational requirements

Personnel qualification

Approval of welding procedures

Schweißen hochfester Stähle

Schweißgase (Systematik)

Schweißen hochlegierter Stähle

Schweißzusatzwerkstoffe

Preheating temperature

Arbeitshilfen, Tipps und Tricks

Requirements EN 729

Requirements for welding according to EN 729

Satisfaction of quality requirements for welding as outlined in the EN 729 standard is required by numerous standards and codes of practice (pressure equipment, structural-steel engineering, rail vehicles,....).

Key requiremens are:

Manufacturing companies satisfying the requirements as per EN 729 can be certified by third-party organizations.

Further Information: TÜV SÜD Industrie Service GmbH / Werkstoff- und Schweißtechnik

Fusion welding

Requirement levels

Comparison between the various requirement levels of EN 729

QA elements with reference to EN 729, parts:		2	3	4

1 Contract and design review
	1.1 Contract review	+	+	o
	1.2 Design review	+	+	o
2 Subcontracting		+	+	o
3 Welding personnel
	3.1 Welders	+	+	+
	3.2 Welding coordinators	+	+	-
4 Non-destructive testing personnel		+	+	+
5 Equipment		+	o	-
6 Welding activities		+	o	-
7 Welding consumables		+	o	o
8 Storage of parent materials		+	+	-
9 Post-weld heat treatment		+	o	-
10 Quality tests and inspections		+	+	o
11 Corrective action		+	o	o
12 Calibration		+	-	-
13 Identification and traceability		+	o	-
14 Quality reports		+	+	o

+ full conformance required
o partial conformance required
-- not applicable

Further Information: TÜV SÜD Industrie Service GmbH / Werkstoff- und Schweißtechnik

Welding

Requirements for welding according to EN 729

EN 729 - Quality requirements for welding; Fusion welding of metallic materials

Comparison between the various requirement levels of EN 729