Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
TORICH
Certification:
ISO9001
Model Number:
ASTM A519
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
Send your inquiry directly to us