SEAMLESS PIPES MADE OF CORROSION-RESISTANT
STEEL ACCORDING TO GOST
9940-81
Quality of
steel
|
Steel grade |
Chemical composition, % |
||||||||
|
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Mo |
Ti |
|
|
not more than |
|||||||||
|
08Cr18Ni10Ti |
0,08 |
2 |
0,8 |
0,035 |
0,020 |
17,0 - 19,0 |
9,0 - 11,0 |
- |
5 x C-0,7 |
|
12Cr18Ni10Ti |
0,12 |
2 |
0,8 |
0,035 |
0,020 |
17,0 - 19,0 |
9,0 - 11,0 |
- |
5 x C-0,8 |
|
10Cr17Ni13Mo2Ti |
0,10 |
2 |
0,8 |
0,035 |
0,020 |
16,0 - 18,0 |
12,0 - 14,0 |
2 - 3 |
5 x C-0,7 |
Pipes can be produced of the following
steel grades:
08Cr17Ti, 08Cr13, 12Cr13, 12Cr17, 15Cr25Ti, 08Cr20Ni14C2, 10Cr23Ni18,
08Cr17Ni15Mo3Ti.
Chemical composition of steel is regulated by GOST 5632-72.
Range of hot-strained pipes made of
corrosion-resistant
steel according to GOST
9940-81
|
Outside |
Wall thickness, mm |
Outside |
||||||||||||||||||||||||||
|
4,5 |
5,0 |
5,5 |
6,0 |
6,5 |
7,0 |
7,5 |
8,0 |
8,5 |
9,0 |
9,5 |
10,0 |
11,0 |
12,0 |
13,0 |
14,0 |
15,0 |
16,0 |
17,0 |
18,0 |
19,0 |
20,0 |
22,0 |
24,0 |
25,0 |
26,0 |
28,0 |
||
|
Specificlength, m, not more
than |
||||||||||||||||||||||||||||
|
76 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
76 |
|
83 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
5,0 |
5,0 |
|
|
|
|
|
|
|
|
|
|
|
83 |
|
89 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
4,0 |
4,0 |
|
|
|
|
|
|
|
|
|
|
|
89 |
|
95 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
4,0 |
4,0 |
4,0 |
4,0 |
|
|
|
|
|
|
|
|
|
95 |
|
102 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
|
|
|
|
|
102 |
|
108 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
|
|
|
|
|
108 |
|
114 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,0 |
5,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
4,0 |
3,0 |
|
|
|
|
114 |
|
121 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,5 |
5,5 |
5,5 |
5,0 |
5,0 |
5,0 |
4,0 |
4,0 |
4,0 |
4,0 |
3,0 |
3,0 |
3,0 |
3,0 |
|
121 |
|
127 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,5 |
5,5 |
5,5 |
5,0 |
5,0 |
5,0 |
5,0 |
4,5 |
4,5 |
4,0 |
3,0 |
3,0 |
3,0 |
3,0 |
|
127 |
|
133 |
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,5 |
5,5 |
5,5 |
5,0 |
5,0 |
5,0 |
5,0 |
4,5 |
4,5 |
4,0 |
3,0 |
3,0 |
3,0 |
3,0 |
|
133 |
|
140 |
|
|
|
7,0 |
7,0 |
7,0 |
7,0 |
7,0 |
6,0 |
6,0 |
6,0 |
6,0 |
5,5 |
5,5 |
5,5 |
5,0 |
5,0 |
5,0 |
5,0 |
4,5 |
4,5 |
4,0 |
3,0 |
3,0 |
|
|
|
140 |
|
146 |
|
|
|
8,5 |
8,5 |
8,5 |
8,0 |
8,0 |
8,0 |
7,5 |
7,5 |
7,0 |
7,0 |
6,5 |
6,5 |
6,5 |
6,0 |
6,0 |
5,5 |
5,5 |
5,0 |
4,5 |
4,5 |
|
|
|
|
146 |
|
152 |
|
|
|
8,5 |
8,5 |
8,5 |
8,0 |
8,0 |
8,0 |
7,5 |
7,5 |
7,0 |
7,0 |
6,5 |
6,5 |
6,5 |
6,0 |
6,0 |
5,5 |
5,5 |
5,0 |
4,5 |
4,5 |
4,5 |
|
|
|
152 |
|
159 |
|
|
|
8,5 |
8,5 |
8,5 |
8,0 |
8,0 |
8,0 |
7,5 |
7,5 |
7,0 |
7,0 |
6,5 |
6,5 |
6,5 |
6,0 |
6,0 |
5,5 |
5,5 |
5,0 |
4,5 |
4,5 |
4,5 |
|
|
|
159 |
|
168 |
|
|
|
|
|
8,0 |
8,0 |
8,0 |
8,0 |
7,5 |
7,5 |
7,0 |
7,0 |
6,5 |
6,5 |
6,5 |
6,0 |
6,0 |
5,5 |
5,5 |
5,0 |
4,5 |
4,5 |
4,5 |
3,0 |
|||