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EN 1090

Zoltán GÖRBE, welding eng., ÉMI-TÜV SÜD Ltd., Hungary

Oslo, 24. april 2013.

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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TÜV SÜD is one of the world's leading technical service organisations

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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America:HeadquarterTÜV SÜD America Inc. Peabody, Massachusetts

Europe:HeadquarterTÜV SÜD AG München, Germany

Asia:HeadquarterTÜV SÜD Asia Pacific Pte. Ltd. Singapore

more than 17,000 employees 800 locations

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

HajdúnánásAbout ÉMI-TÜV SÜD Ltd. (Hungary)

Headquarter: Szentendre

Offices: Budapest Nagykanizsa

since 1991

155 employees

8 departments

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ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Notified Body

Directives

87/404/EEC Simple Pressure Vessels

97/23/EC Pressure Equipment

95/16/EC Lifts

98/37/EC Machinery

89/106 EEC-CPD Construction products

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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What will be discussed?

5 questions - 5 answers

1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Best practice - from the perspective of NoBo

1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Best practice - from the perspective of NoBo

Thermal cutting

The capability of thermal cutting processes shall be

periodically checked - EN 1090-2 6.4.3 (EN ISO 9013)

• Quality of the cut surfaces

perpendicularity or angularity tolerance (u)

mean height of the profile (Rz5)

• Hardness of surfaces (HV 10)

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Manufacturer Nyír-Mezőgép Ltd., Hungary

Execution class EXC 3

Product steel structure,for buildings

Material S355J2 / EN 10025-2

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ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Best practice - from the perspective of NoBo

Questions Answers

Who has to have these tests executed?

The owner/user of the thermal cutting equipment.These results will be valid for that particular cutting machine.

What shall happen with a new or another cutting equipment?

Tests must be done for this cutting equipment, too.

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Subcontractor Nyír-Dinamika Ltd.(thermal cutting)

specifications thermal cutting test report drawings contract (which equipment) plates with certificates cutting list (each project)systematically super- cut parts

vise the process

Manufacturer Nyír-Mezőgép Ltd.

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Example for typical shape from representative thickness

sharp corner, curved arc (EN 1090-2 6.4.3)

D

D ≥ 200 mm

L ≥ 200 mm

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Best practice - from the perspective of NoBo

1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Best practice - from the perspective of NoBo

Tack welds

„The minimum length of the tack shall be the lesser of four times the thickness of the thicker part or 50 mm, unless a shorter length can be demonstrated as satisfactory by test.” – EN 1090-2, 7.5.7

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Manufacturer GeneralNet Corp., Hungary

Execution class EXC 2

Product steel structure for

mobile telecommunication

Material S235JR / EN 10025-2

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Question Answer

How can be demonstrated the conformity of the 10 mm long tack welds?

With tack weld test.

Visual testing / EN ISO 17637

Macro examination

Penetrant test / EN 571-1

or

Magnetic particle inspection / EN 17638

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Tack weld Fillet weld

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Visual test passed

Penetrant test passed

Macro examination passed

Shorter tack weld length can be demonstrated as satisfactory by test.

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Painting

According to EN 1090-2 F6.1, the temperature of the surfaces to be coated should be 3 degrees above the dew point.

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Manufacturer Nyír-Dinamika Ltd., Hungary

Execution class EXC 1

Product steel structure

basis of machines

Material S355J2 / EN 10025-2

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ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Questions Answers

Which equipments must be used to measure temperature and humidity?

Calibrated thermometers and humidity meters.

Which are the most important data of the painting log?

DateAir & steel temperatureAir humidityDew pointList of productsName of paintThickness of coatingPainter’s name

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Subcontractor Nyír-Mezőgép Ltd.(painting)

contractspecifications declaration (painting acc. to workpieces EN 1090-2 Annex F)systematically super- surface preparation vise the process painting

Manufacturer Nyír-Dinamika Ltd.

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

Best practice - from the perspective of NoBo

1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Initial type testing

„Initial type testing is the complete set of tests or other procedures, determining the performance of samples of products representative of the product type.” – EN 1090-1, 6.2.1

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Question Answer

There is no order for any product acc. to EN 1090.

How can a manufacturer prove that they are capable to execute the initial type testing?

The product for initial type testing can be a simple welded structure.

Important!EXC of this simple structure = = EXC to be certified

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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1. thermal cutting

2. tack welds

3. painting

4. initial type testing

5. subcontractor of welding

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

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Question Answer

The subcontractor has got only EN 3834-2 certificate. The manufacturer is responsible for the whole product, the subcontractor is responsible for the welding technology.

Is EN 3834-2 enough for manufacturing according to EN 1090-1?

This is not enough.The subcontractor has to be certified acc. to EN 1090-1 by a Notified Body for the suitable execution class.

ÉMI-TÜV SÜD Kft. Prezentáció, 23.04.19..

www.emi-tuv.hu

www.en1090.hu

gorbe.zoltan@emi-tuv.hu

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