Product Series
DIN 1629 includes 3 basic steel grades (ST37, ST44, St52.), East standard specifies seamless circular tubes of non-alloy steels used in chemical plant construction, pressure vessels,piping system and general mechanical and engineering purposes.
Seamless steel pipe for machining
ASTM A53 pipe (also called ASME SA53 pipe) is designed for mechanical and pressure applications, and is also suitable for general use in steam, water, gas and air lines. It is suitable for welding and forming operations including winding, bending and flanging, subject to certain requirements.
Specifies technical delivery conditions for cold finished seamless precision steel tubes of the dimensions listed in DIN 2391 Part 1, which are made from the steel grades of St30Si (1.0211), St30Al (1.0212), St35 (1.0308), ST35 (1.0408), St52 (1.0580). Such tubes are mainly used where accuracy to size and, possibly, a small wall thickness, a particular surface condition and specific mechanical properties are required.
Cold drawn seamless steel pipe
Specifies technical delivery conditions for cold finished seamless precision steel tubes of the dimensions listed in DIN 2391 Part 1, which are made from the steel grades of St30Si (1.0211), St30Al (1.0212), St35 (1.0308), ST35 (1.0408), St52 (1.0580). Such tubes are mainly used where accuracy to size and, possibly, a small wall thickness, a particular surface condition and specific mechanical properties are required.
DIN 1629 includes 3 basic steel grades (ST37, ST44, St52.), East standard specifies seamless circular tubes of non-alloy steels used in chemical plant construction, pressure vessels,piping system and general mechanical and engineering purposes.
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