JIS G 3465 Drill Steel Pipe , Seamless Steel Tubes for Drilling / Mineral Exploration
JIS G 3465 STM-C-540 Seamless Drill Steel Pipes and Tubes for Drilling for mineral exploration
JIS G 3465 Seamless Steel Tubes for Drilling
Dimension:OD 30-150mm, WT: 3-20mm
Application :for Drill rod, Casing tube, Core tube
|
CHEMICAL COMPOSITION % max |
|
|
C |
Si |
|
0.04 |
0.04 |
|
MECHANICAL PROPERTIES MIN |
|||
|
Steel grade |
Tensile strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
|
STM-C-540 |
540 |
- |
18 |
|
STM-C-640 |
640 |
- |
16 |
|
STM-R-590 |
590 |
375 |
18 |
|
STM-R-690 |
690 |
440 |
16 |
|
STM-R-780 |
780 |
520 |
15 |
|
STM-R-830 |
830 |
590 |
10 |
|
Outside Diameter,wall Thickness and Mass (for casing Tube) |
||||
|
Nominal diameter |
Outside diameter mm |
Inside diameter |
Wall thickness mm |
Unit mass kg/m |
|
43 |
43 |
37 |
3 |
2.96 |
|
53 |
53 |
47 |
3 |
3.7 |
|
63 |
63 |
57 |
3 |
4.44 |
|
73 |
73 |
67 |
3 |
5.18 |
|
83 |
83 |
77 |
3 |
5.92 |
|
97 |
97 |
90 |
3.5 |
8.07 |
|
112 |
112 |
105 |
3.5 |
9.36 |
|
127 |
127 |
118 |
4.5 |
13.6 |
|
142 |
142 |
133 |
4.5 |
15.3 |
|
Outside Diameter,wall Thickness and Mass (for Core tube) |
||||
|
Nominal diameter |
Outside diameter mm |
Inside diameter |
Wall thickness mm |
Unit mass kg/m |
|
34 |
34 |
26.5 |
3.75 |
2.8 |
|
44 |
44 |
34.5 |
4.75 |
4.6 |
|
54 |
54 |
44.5 |
4.75 |
5.77 |
|
64 |
64 |
54.5 |
4.75 |
6.94 |
|
74 |
74 |
64.5 |
4.75 |
8.11 |
|
84 |
84 |
74.5 |
4.75 |
9.28 |
|
99 |
99 |
88.5 |
5.25 |
12.1 |
|
114 |
114 |
103.5 |
5.25 |
14.1 |
|
129 |
129 |
118.5 |
5.25 |
16 |
|
144 |
144 |
133.5 |
5.25 |
18 |
|
180 |
180 |
168 |
6 |
25.7 |
|
Outside Diameter,wall Thickness and Mass (for Drill Rod) |
||||
|
Nominal diameter |
Outside diameter mm |
Inside diameter |
Wall thickness mm |
Unit mass kg/m |
|
33.5 |
33.5 |
23 |
5.25 |
3.66 |
|
40.5 |
40.5 |
31 |
4.75 |
4.19 |
|
42 |
42 |
32 |
5 |
4.56 |
|
50 |
40 |
37 |
6.5 |
6.97 |
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