Basic parameters
| Product | Product application | Precision seamless steel tubes | ready to use - HP |
|---|---|
| Standard | STN |
| Dimensional standard |
|
| TDC |
|
| Steel grade | |
| Surface coating | Without coating |
| Dimensions | 48.0 x 4.0 - 130.0 x 10.0 mm |
| Dimensional table |
Inside | Tolerance | Tolerance |
OD x WT |
Weight |
diameter |
of inside |
of inside | ||
diameter |
diameter | |||
[mm] | H8 | H9 | [mm] | [kg/m] |
40 | 48 x 4 | 4,34 | ||
0 / + 0,039 | -00 / +0,062 | 50 x 5 | 5,55 | |
52 x 6 | 6,80 | |||
55 x 7,5 | 8,79 | |||
50 | 60 x 5 | 6,78 | ||
0 / + 0,039 | 0 / +0,062 | 62 x 6 | 8,28 | |
65 x 7,5 | 10,64 | |||
63 | 73 x 5 | 8,38 | ||
0 / + 0,046 | 0 / +0,074 | 75 x 6 | 10,20 | |
78 x 7,5 | 13,03 | |||
70 | 80 x 5 | 9,24 | ||
0 / + 0,046 | 0 / +0,074 | 82 x 6 | 11,24 | |
85 x 7,5 | 14,33 | |||
90 x 10 | 19,73 | |||
80 | 90 x 5 | 10,48 | ||
0 / + 0,046 | 0 / +0,074 | 92 x 6 | 12,73 | |
95 x 7,5 | 16,18 | |||
100 x 10 | 22,18 | |||
90 | 100 x 5 | 11,71 | ||
0 / + 0,054 | 0 / +0,087 | 102 x 6 | 14,20 | |
105 x 7,5 | 18,02 | |||
110 x 10 | 24,65 | |||
100 | 0 / + 0,054 | 0 / +0,087 | 115 x 7,5 | 19,87 |
120 x 10 | 27,11 | |||
110 | 0 / + 0,054 | 0 / +0,087 | 125 x 7,5 | 21,72 |
130 x 10 | 29,58 |
Upon agreement also tubes with inside diameter 30 mm with WT 5 / 6 / 7,5 / 10 mm. Tolerances ID acording to agreement.
The tube weight according to the formula.
Chemical composition
| C | Si | Mn | P | S | Cr | Ni | |
|---|---|---|---|---|---|---|---|
| min | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| max | 0.2 | 0.55 | 1.6 | 0.05 | 0.045 | 0 | 0 |
| Mo | Cu | Al | V | Ti | Nb | Sn | |
|---|---|---|---|---|---|---|---|
| min | 0 | 0.015 | 0 | 0 | 0 | ||
| max | 0 | 0 | 0 | 0 | 0 | 0 |
Mechanical properties
| Re (MPa) | Re (ksi) | Rm (MPa) | Rm (ksi) | A (%) | |
|---|---|---|---|---|---|
| min | 353 | 510 | 0 | 23 | |
| max | - | - | 628 | - | - |
