Sophia Heavy Machinery is specializing in manufacturing of machinery spare parts and the related products,large shaft,gear,bearings,couple,pulleys,sprockets,Flange,steel spool,welding spare parts,rollers,and all kinds of nonstandard mining machinery spare parts,Steel Double Helical Gear Shaft,we accept custom&OEM according to drawings.
1.Large Size CNC boring&milling gantry machine,5m CNC vertical lathe,10m horizontal lathe,grinding machine,machining center.
2.Over 25years experience for nonstandard machinery spare parts
3.High precision,the tolerance is up to 0.001mm.
4.Long service life
All products will be strict inspection as require.Inspection as follow
(1).Chemical Compositions Test
(2).Mechanical Properties Test ——Tensile Strength,Reduction of Area Elongation, Hardness ,Impact Value,Yield Strength,
(3).(UT, MT, PT, RT)Non Destructive Test
Material:42CrMo4V ,alloy steel,carbon steel or according to request.
Process:Forged,Heat treatment, Rough Machining,Finish Machining,Inspection
Standard;ASTM, ASME, DIN, JIS, ISO, BS, API, EN
Package:seaworthy package or according to request.
Delivery time:30-90days or according to order quantity.