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Why Can We Always Ensure Excellent Quality

Quality Control

At Spezilla, all our finished products undergo extensive and strict quality tests before being delivered to our customers. Mill Test Certificate EN10204 3.1 or EN10204 3.2 which contains the result of the mechanical tests and hydrostatic test will be provided to our customers. Whatever tube you require, it will be thoroughly analysed and tested by our staff. For reference, these are the main tests we offer:

Test On Tubes
NDT Testing	DT Testing
Chemical Analysis	Reverse Bend Test
Eddy Current Test	Flange Test
Hydrostatic Test	Flaring Test
Air Under Water	Flattening Test
Ultrasonic Test	Tensile Test
	Hardeness Test
	Micrography
	Corrosion

Technical References
ASTM A249 ASME SA249	Technical reference norm for heat-treated tubes to be used for heat exchangers and boilers.
EN10088-2	Raw material technical specifications (strip).
EN10217-7	General reference standard for welded stainless steel circular tubes for pressure equipment.
EN10296-2	Welded circular steel tubes for mechanical and general engineering purposes.
PED 97/23/EC AD 2000 MERKBLATT W2	European pressure equipment directive. German pressure equipment directive.
EN 10246-3 DIN 54141	Process control (Eddy current or Foucault current test) with cutting and automatic selection of tube with possibile surface variations. Non destructive test, carried out on the production line.
EN ISO 8493	Diameter expansion test, 30% minimun, without detecting cracks. Destructive test, carried out on samples out of the production line.
EN ISO 8492	Back bending test of the welding area. Destructive test, carried out on samples out of the production line.
EN 10204	Metallic materials: types of inspection documents.