|
CARBON STEEL TUBE FOR GENERAL STRUCTURAL PURPOSES |
No- minal Size DN |
No- minal Bore NB |
OD Commer- cial mm. |
|
1.2 |
1.4 |
1.6 |
1.8 |
2.0 |
2.3 |
2.6 |
2.9 |
3.2 |
3.5 |
4.0 |
4.2 |
4.0 |
15 |
1/2 |
21.7 |
0.61 |
0.71 |
|
|
|
|
|
|
|
|
|
|
|
20 |
3/4 |
27.2 |
0.80 |
0.92 |
|
|
|
|
|
|
|
|
|
|
|
25 |
1 |
34.0 |
|
|
1.29 |
1.44 |
1.60 |
1.82 |
2.06 |
2.30 |
2.51 |
2.75 |
|
|
|
32 |
1¼ |
42.7 |
|
|
1.66 |
1.85 |
2.04 |
2.33 |
2.61 |
2.89 |
3.19 |
3.46 |
|
|
|
40 |
1½ |
48.6 |
|
|
1.86 |
2.09 |
2.31 |
2.65 |
2.98 |
3.32 |
3.64 |
3.98 |
|
|
|
50 |
2 |
60.5 |
|
|
|
2.61 |
2.90 |
3.32 |
3.76 |
4.17 |
4.60 |
5.00 |
5.68 |
|
|
65 |
2½ |
76.3 |
|
|
|
|
3.72 |
4.28 |
4.82 |
5.35 |
5.88 |
6.40 |
7.32 |
|
|
80 |
3 |
89.1 |
|
|
|
|
|
5.00 |
5.63 |
6.26 |
6.88 |
7.50 |
8.57 |
|
|
90 |
3½ |
101.6 |
|
|
|
|
|
|
6.39 |
7.13 |
7.84 |
8.57 |
9.77 |
|
|
100 |
4 |
114.3 |
|
|
|
|
|
|
7.25 |
8.08 |
8.89 |
9.73 |
11.08 |
11.64 |
12.43 |
|
|
|
STANDARD |
CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES |
C MAX% |
Mn MAX% |
P MAX% |
S MAX% |
TENSILE STRENGTH MIN. |
YIELD STRENGTH MIN. |
ELON- GATION MIN.% |
COMMERCIAL |
0.20 |
1.20 |
0.045 |
0.045 |
320 N/mm² |
195 N/mm² |
20 |
JISG3444 / SIK290 |
- |
- |
0.050 |
0.050 |
290 N/mm² |
- |
21 |
JISG3444 / SIK400 |
0.25 |
- |
0.040 |
0.040 |
400 N/mm² |
235 N/mm² |
14 |
DIN2458 / St37.2 |
0.21 |
- |
0.065 |
0.065 |
360 N/mm² |
235 N/mm² |
11 |
BS6363 /34 /26 |
0.16 |
1.20 |
0.050 |
0.050 |
340 N/mm² |
260 N/mm² |
12 |
BS6363 /43 /36 |
0.20 |
1.20 |
0.050 |
0.050 |
430 N/mm² |
360 N/mm² |
10 |
ASTM A 500 GRADE A |
0.26 |
- |
0.040 |
0.050 |
310 N/mm² |
228 N/mm² |
25 |
ASTM A 500 GRADE B |
0.26 |
- |
0.040 |
0.050 |
400 N/mm² |
290 N/mm² |
23 |
|
|
|
TOLERANCE |
COMMERCIAL |
JIS G3444 |
DIN 2458 |
BS 6363 |
ASTM A 500 |
OUTSIDE DIAMETER : |
±1.0% |
±0.5% |
±1.0% |
±0.75% |
±0.5% |
WALL THICKNESS : |
+ Not Limit, -12.5% |
+0.6 mm., -0.5 mm. |
+ Not Limit, -12.5% |
±10% |
±10% |
LENGTH : |
+50 mm., -0 mm. | +12.7 mm., -6.4 mm. |
|