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 cold-worked pipes:
	-a length from 4 to 9 by agreement;
	-a specified length from 5 to 9;
	-multiple within specified length

•	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.