Hydraulic Press Forged Spindle , Large Gear Ring Flange Forging
ASTM standard maximum OD of 10000mm forged large gear rings,wind
power gear ring, ring flange
Steel forgings: wind power part forging, shaft forging, main shaft,
wind shaft, wind turbine
1. EN, ASTM, DIN standard
2. Maximum OD of 10000mm forged large gear rings, wind power gear
ring, ring flange
3. Material: alloy steel, carbon steel, etc
1. The large gear rings are widely used for wind power industry, it
has advantage of high strength, high
temperature resistance, high corrosion resistance.
2. The manufacturing equipment is 16~185MN hydraulic press, the
forging ratio >3, the technical condition
complies with the standard of EN, ASTM, and DIN etc.
3. The product can be proof machined or finish machined as per your
drawing or specified requirements.
gear rings, ring flange
4340, 18CrNiMo7-6, 4140, 20CrMnMo
EN, ASTM, DIN
Max. OD: 10000mm, Max. H.: 6000mm
EF+ LF + VD
Forging & machining process
Ingot→Heat→Forging→Heat treatment (Normalizing+tempering)→
Inspection→Rough machining→UT→2nd Heat treatment
Finished machining →Inspection
EN, ASTM, DIN
The large gear rings are widely used for wind power industry.
1. Good mechanical properties;
2. High tensile strength;
3. Well-closed formation;
4. Comparative price;
5. High-quality production;
6. Customized services, manufacturing according to your specific
1) We have an optimistic team, which will help to finish producing
efficiently, so guaranteeing delivery in time.
2) We own good reputation all over the world, no matter in quality
or delivery time or packaging.
3) With enough experience of forging different material, we could