Big Size Steel Internal Ring Gear

We can supply high quality internal ring gear

1) Drop forgings, Seamless rolled ring, rough machining and fine machining. The diameter of the rings can be 6, 300mm max.
2) Standards: ASTM, ASME, AISI, API, UNI, DIN, SIS and EURONORM
3) Material: Carbon steel, Stainless steel, Alloy steel.
AISI 8620, 4320, 4130, 4140, 4340, 18CrNiMo7, 42CrMo4, A 182 F304/F316/F410, A105.
4) Application: Nomally used for wind power, petrol refine industry, mine industry, wellhead equipment, large bearings, pressure vessel, shipbuliding, etc.
5) Provide heat treatment, rough machining, finish machining.
6) Customers' designs welcomed.

7). Timely delivery &Reasonable price

8). Professional manufacture&Advanced technolog

9). High quality&Good service


We can manufacture various kinds of bevel gears with different sizes by different processes.
We can be produced according to your drawings.
All heat treatment including nitriding, hardening and tempering can be done per your requirements.

Material
Carbon Steel, alloy steel, stainless steel, aluminum alloy, zinc alloy, brass, gray iron, nodular cast iron, ductile iron specified

Standard
ASTM, AISI, BS, DIN, JIS, NF

Process
Investment casting, die casting, gravity casting, sand casting

Machining
Turning, milling, drilling, grinding, threading, CNC machining, etc.

Finishing
Sand blasting, polishing, plating, acid treatment, anodizing, painting and PVC powder coating

Inspection
Coordinate measuring machine, optical comparator, surface indicator, chemical element analysis, hardness testing, tensile testing, impact testing.

Certificate
ISO9001: 2000 / TS16949

Main products
CNC Machining Parts, Investment Castings