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This is Shaanxi Tongxin Continuous Cast Tube Tech , an exclusive manufacture in producing Continuous Cast Iron Hollow Bar which is..
A high quality alternative to castings due to:
No porosity, slag, shrinkage or other typical casting defects
Dense, fine-grained microstructure
Thin wall tube Min. 7mm only
No pattern or tooling costs
An excellent cost-saving alternative to low-medium carbon steel because of:
Better machinability - up to 3 times faster with better chip control (no more long, tangled, sharp chips)
Minimized deburring
Longer tool life
Improved wear resistance
10% lighter weight
Quieter due to vibration damping
30-70% material saving compare with solid bar for hollow parts
Machined parts in these and other industries are already benefiting from Tongxin material advantages:
Fluid Power --Oil & Gas—Industrial—Defense--Primary Metals--Automotive Aftermarket
Proudct Range available as follow:
1.Ductile Cast Iron Tube(ASTM A536 60-40-18/65-45-12/80-55-06…)
---nodularity 90% plus, ball diameter 7~8,ball number 400~600/mm2
---compare sand casting, at same strength, elongation increase 50~100%
2.Gray Cast Iron Tube (ASTM A48 class 30,40,50)
---Matrix: ferrite+pearlite
---σb=150-350 Mpa, HB=150-240, E=1.1-1.7*105Mpa
3. Alloy Gray Cast Iron Tube
--CrNiMo Cast Iron --CrMoCu Cast Iron --High Nb Cast Iron--High Ni Cast Iron...
4.Specification:
---Cross-Section:Round,Rectangle,Elliptic,Hexagonal
---OD:60-320mm,Thickness:7-38mm
Application fields:
Field |
Part name |
machine tool |
sleeve ,upright column ,clamp ring |
Oil and Gas |
guide sleeves ,sealing ring, sliding sleeve |
Industrial machineries |
axis sleeve, gear, kawa, wear-resistant sleeve, grinding sleeve |
Oil drilling |
drillable packers/drillable bridge plug, suction vitta |
Railway vehicle |
bogie bush, braking system bushing |
Metallurgical equipment |
casting lift tube ,suction tube, thermocouple protect tube |
Air-condition compression machine |
rolling piston ring |
Automotive |
dry cylinder liner, piston ring, steering pump stator, gear |
Tractorshipping |
dry cylinder liner, piston ring, steering pump stator, gear |
Mine mechinanism |
wear resist sleeve, engine cylinder |
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