TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Products Description:
ASTM A512 1020 1030 Cold Drawn Steel Pipe Buttweld Carbon Steel Tube
Steel Grade:
1008, 1010, 1012, 1015 etc
Size Range:
OD: 5-88.9mm
WT: 0.89-12.7mm
Length: max12000mm
Our regularproduction size 25.4*2.11mm, 50.8*2.11mm
Chemical Component:
| Steel Grade | C | Mn | P max | S max |
| 1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.045 |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.045 |
| 1012 | 0.10-0.15 | 0.30-0.60 | 0.040 | 0.045 |
| 1015 | 0.13-0.18 | 0.30-0.60 | 0.040 | 0.045 |
| 1016 | 0.13-0.18 | 0.60-0.90 | 0.040 | 0.045 |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.045 |
| 1019 | 0.15-0.20 | 0.70-1.00 | 0.040 | 0.045 |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.045 |
Delivery Condition:
1. MD (Mandrel Drawn)--No final thermal treatment
2. SD (Sink Drawn)--No final thermal treatment
3. MDSR --Mandrel Drawn and Stress Relieved
4. SDSR--Sink Drawn and Stress Relieved
5. MDSA --Mandrel Drawn and Soft Annealed or normalized
6. SDSA--Sink Drawn and Soft Annealed or normalized
7. NORM-MD-SR--Normalized,Mandrel Drawn,and Stress Relieved
8. NORM-SD-SR--Normalized,Sink Drawn,and Stress Relieved
Characteristic:
Good Surface Quality
Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test
TORICH QUALITY ASSURANCE
Production Processs:
Tubes shall be made by the furnace buttweld process, shall be cold finished, either externally only(sunk) or externally and internally(mandrel drawn)
Production Steel Tube:
Eddy Current Test and Ultrasonic Test:
Packing: