ASTM A269 TP304L Cold Drawn Seamless Tube 10 x 1.5 mm For Fuild And
Gas Industry
1 . Annealing of mother tuber ensures :
A) Removal of stress induced during tube forming and cold drawing
B) Sufficient ductility and softness for cold drawing
C) Transformation of the weld zone to austenitic nature
D) Re crystallization of metallic grains to original form and
thereby improving corrosion resistance
2 . The tubes are then coated with proper lubricant and then cold
drawn over a drew bench
1) To vary the metallurgical structure and restore the properties
to the parent material
2) To achieve a tube having closer dimensional tolerances
3) To produce tubing of smaller size and wall thickness
4) To reorient the grain structure of weld portion with that of the
parent material
5) To remove/minimize the internal bead
Specification :
| NO. | OD | W.T | NO. | OD | W.T |
| MM | MM | MM | MM |
| 1 | 4.76 | 0.56 | 32 | 15 | 1 |
| 2 | 4.76 | 0.71 | 33 | 15 | 1.5 |
| 3 | 4.76 | 0.89 | 34 | 15 | 2 |
| 4 | 4.76 | 1.24 | 35 | 15.88 | 0.71 |
| 5 | 5.00 | 1.00 | 36 | 15.88 | 0.89 |
| 6 | 6.00 | 1.00 | 37 | 15.88 | 1.24 |
| 7 | 6.00 | 1.50 | 38 | 15.88 | 1.65 |
| 8 | 6.35 | 0.71 | 39 | 16 | 1 |
| 9 | 6.35 | 0.89 | 40 | 16 | 1.5 |
| 10 | 6.35 | 1.24 | 41 | 16 | 2 |
| 11 | 6.35 | 1.65 | 42 | 18 | 1 |
| 12 | 8.00 | 0.71 | 43 | 18 | 1.5 |
| 13 | 8.00 | 1.00 | 44 | 18 | 2 |
| 14 | 8.00 | 1.50 | 45 | 19.05 | 0.71 |
| 15 | 9.53 | 0.71 | 46 | 19.05 | 0.89 |
| 16 | 9.53 | 0.89 | 47 | 19.05 | 1 |
| 17 | 9.53 | 1.24 | 48 | 19.05 | 1.24 |
| 18 | 9.53 | 1.65 | 49 | 19.05 | 1.65 |
| 19 | 10.00 | 1.00 | 50 | 19.05 | 2.11 |
| 20 | 10.00 | 1.50 | 51 | 20 | 1 |
| 21 | 10.00 | 2.00 | 52 | 20 | 1.5 |
| 22 | 12.00 | 1.00 | 53 | 20 | 2 |
| 23 | 12.00 | 1.50 | 54 | 22 | 1 |
| 24 | 12.00 | 2.00 | 55 | 22 | 1.5 |
| 25 | 12.70 | 0.71 | 56 | 22 | 2 |
| 26 | 12.70 | 0.89 | 57 | 25.4 | 0.71 |
| 27 | 12.70 | 1.24 | 58 | 25.4 | 0.89 |
| 28 | 12.70 | 1.65 | 59 | 25.4 | 1.24 |
| 29 | 14.00 | 1.00 | 60 | 25.4 | 1.65 |
| 30 | 14.00 | 1.50 | 61 | 25.4 | 2.11 |
| 31 | 14.00 | 2.00 | | | |
Test :
1 . NTD ( Ultrasonic test , Eddy Current test )
2 . Mechanical Test ( Tension Test , Flaring Test , Flattening Test
, Hardness Test , Hydraulic test )
3 . Metal Test ( Metallographic Analysis , Impact Test-High / low
temperature )
4 . Chemical Analysis ( Photoelectric Emission Spectroscopic )
Main Market :
MTSCOMAXTECH tubes main market include Europe , Middle East ,
Southeast Asia , South America etc .
| Applications : |
| 1) . Petroleum , Chemical enterprise , Superheater of boiler , Heat
exchanger |
| 2) . High temperature resistant transmission fluid pipe in power
station |
| 3) . Ship with pressure pipe |
| 4) . The exhaust purification device |
| 5) . Construction and ornament : Escalator , Elevator , Doors
Production tools , Kitchen appliances , Freezers , Cold rooms |
| 6) . Equipment and Medical devices |
MTSCO has the most advanced technology — The floating plug drawing
technology which are used in Korea , and equipped with the most
environmentally process — Bright annealing process . So our bright
annealed precision tube produce technology make us can produce 300
tons high precision tubes every months .
