Seamless steel hot-worked pipes for ship building applications made to GOST 5654-76

GOST 5654-76    Steel grade: 10,20    Assortment of hot-worked pipes according to GOST 5654-76 External diameter, mm Wall thickness, mm 114 4,5 - 24 121 4,5 - 26 127 4,5 - 26 133 4,5 - 26 140 4,5 - 30     Length of pipes, m: • a length from 4 to 9 by agreement;                                        • a specified length from 5 to 9;                                        • multiple within specified length     Notes: • Wall thickness from 4,5 to 5,5 mm by agreement with a customer.                 • Control by means of ultrasonic flaw detector, for wall thickness > 22 mm - by agreement.