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| PRODUCTION |
| Seamless steel hot-worked pipes made to GOST 8731-74/8732-78 |
GOST 8731-74/8732-78
Steel grade: 10, 20, 35, 40, 45, 50, 15H, 20H, 35H, 40H, 45H, 20G, 10G2, 30G2, 35G2, 18HG, 33HS, 15HÌ, 20HÌ, 30HÌÀ, 15HF, 35HÌ, 40HFÀ, 40HN, 12HN2, 12HN3À, 20HN3À, 30HGSÀ, 40HN2ÌÀ, 09G2S, 16GS, 38H2ÌYuÀ, 10HSND
Pipes are designated for general application.
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Assortment
of hot-worked pipes made of carbon and alloyed
steel according to
GOST 8731-74/8732-78
|
External diameter, mm |
Wall thickness, mm |
| 73 |
6,0-12,0 |
| 76 |
6,0-12,0 |
| 83 |
6,0-12,0 |
| 89 |
5,0-14,0 |
| 95 |
5,0-18,0 |
| 102 |
5,0-20,0 |
| 108 |
4,5-22,0 |
| 114 |
4,5-24,0 |
| 121 |
4,5-26,0 |
| 127 |
4,5-26,0 |
| 133 |
4,5-26,0 |
| 140 |
4,5-30,0 |
| 146 |
4,5-25,0 |
| 152 |
4,5-25,0 |
| 159 |
4,5-25,0 |
| 168 |
6,0-12,0 |
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| Notes: |
• Pipes with a wall thickness from 4,5 to 5,0 mm are supplied if there are accompanying orders for pipes with a wall thickness from 5,0 to 5,5 mm.
• Pipes having other sizes made of other steel grades are supplied by agreement between manufacturer and customer.
• Pipes having a wall thickness from 6 mm to 22 mm are supplied from 4,5 to 9,0 m in length; the length can be up to 12,0 m by agreement with a customer.
• Pipes having a wall thickness from 4,5 to 5,0 mm are supplied up to 9,5 m maximum in length, pipes having a wall thickness of more than 22 mm are supplied up to 7,0 m in length. |
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