TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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High Tensile 4130 4140 4340 SAE J525 AISI 1020 Thick Wall Mild Steel Tube
1.Quick Detail:
45 1045 S45C SCM440 42CrMo
Thick wall tubes for sleeve.
High Mechanical properties
Reasonable price
| Material | High quaity 45# 16Mn 35# 20# 10# 40Cr 20Cr 20CrMo 20CrMnTi 40MnMoV 42CrMo 10Mn2 15Cr 30CrMnSi |
| Stanard | ASTM A513 ASTM A500 ASTM A501 JIS G3441 JIS G3444 ASTM A53 DIN1629 GOST8734-75 and others |
| Tolerance | The common difference of inner diameter could be controlled i the scope of 0.1mm |
| Heat Treatment | Annealing, Quenching and tempering, Hot rolled |
| Surface | Pickling and Phosphating |
2.Production process:
Cold drawn tubes from perforated pipe,to meet your requests.
3.Main Features:
Lower costs of producing sleeve than doing by steel bar,and have better performance on your usage.
4.Main Application:
sleeve,in construction, mechanical purpose, drill pipe, automotive part.
5.Our products are widely used in:
General and mechanical structure,contruction and liquid conveyance.
6.Tolerances:
OD:
D 5 – 10 mm: ± 0.15 mm
D 11 – 30 mm: ± 0.30 mm
D 32 – 50 mm: ± 0.40 mm
D 51 – 140 mm: ± 0.8%
WT:
S 0.4 – 1 mm: ± 0.12 mm
S 1.2 – 5 mm: ± 10%
S 5.5 – 12 mm: ± 8%
7.Keywords:
Automotive Pipes, Astm Pipes, Drill Pipes, Mechanical Pipes, Pipes for engine, Construction Pipes.
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking