High Tensile 4130 4140 4340 SAE J525 AISI 1020 Thick Wall Mild Steel Tube
45 1045 S45C SCM440 42CrMo
Thick wall tubes for sleeve.
High Mechanical properties
||High quaity 45# 16Mn 35# 20# 10# 40Cr 20Cr 20CrMo 20CrMnTi 40MnMoV 42CrMo 10Mn2 15Cr 30CrMnSi
||ASTM A513 ASTM A500 ASTM A501 JIS G3441 JIS G3444 ASTM A53 DIN1629 GOST8734-75 and others
||The common difference of inner diameter could be controlled i the scope of 0.1mm
||Annealing, Quenching and tempering, Hot rolled
||Pickling and Phosphating
Cold drawn tubes from perforated pipe,to meet your requests.
Lower costs of producing sleeve than doing by steel bar,and have better performance on your usage.
sleeve,in construction, mechanical purpose, drill pipe, automotive part.
5.Our products are widely used in:
General and mechanical structure,contruction and liquid conveyance.
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%
S 0.4 – 1 mm: ± 0.12 mm
S 1.2 – 5 mm: ± 10%
S 5.5 – 12 mm: ± 8%
Automotive Pipes, Astm Pipes, Drill Pipes, Mechanical Pipes, Pipes for engine, Construction Pipes.
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