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General requirements

GOST 1208-90 applies to pressed bronze pipe with a range of nominal outside diameters from 42 to 280 mm, and with a nominal wall thickness of 5 to 60 mm. Within each thickness range, the recommended dimensions are given, while the rest are made on a case-by-case basis.

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Technical requirements

Pressed bronze pipes are made mainly from bronze grades Бр. АЖН10-4-4 and Бр. АЖМц10-3-1,5. Chemical composition of bronze material shall meet the requirements of GOST 18175. The tubes shall be free of surface defects - laminations, shells, cracks, press-strains, except for ovality and flatness, scrapes and marks, which do not influence marginal deviation of tube diameter and thickness.

Mechanical characteristics of bronze pipes (GOST 1208-90)

• ultimate yield strength, MPa - 540...640;
• Tensile elongation limit, % - 5...12;
• Brinell hardness, HB - 129...220.

Quality requirements

Pipes are not allowed to be delivered with burrs at the ends. Product curvature depending on outside diameter may not exceed 3-15 mm. On the surface of the finished product may be tarnish.

Buy. Supplier, price

Are you interested in the State Standard 1208-90? Supplier Evek GmbH offers to buy bronze pipe at a price from the manufacturer. We provide delivery of products to any point on the continent. The price is optimal. We invite to partner cooperation.