1)DIN17175 seamless tubes of heat-resistant steels, which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600 ℃ and at simultaneous high pressures, where the to total stress and relevant scaling conditions can raise or lower the temperature limit.

2)Carbon steel: Cold Number ST35.8 ,materials No.1.0305 and Cold number ST45.8 ,materials No.1.0405

3)Other relevant standards and documents

DIN2391 part1 seamless steel precision tubes, cold drawn or cold rolled, dimensions.

Din2413 steel pipes, calculation of wall thickness subjected to internal pressure.

DIN2448 seamless steel tubes, dimensions and weights

DIN2915 seamless and welded steel tubes for water-tube boilers, survey.

DIN2917(at present circulating as draft)seamless steel tubes for superheated steam mains and headers, dimensions

DIN17007 part2 materials numbers, system of the principal group1: steel

DIN50049 Certificates on material testing

DIN50115 Testing of metallic materials notched bar impact bending testing

DIN50125 Testing of metallic materials, tensile test specimens, directions for their preparation

Package:

1. Bundle package/In bundle with plastic bag outside/ In wooden case 
2. Marking as per customer's request 
3. Paint on the pipe as per customer request
4. Pipe caps as customer request
5. As per your requirement

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