Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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Thermal Stable Oversized Heavy Steel Forgings for Power Generation Equipment. Engineered for demanding power generation environments, our thermal stable oversized heavy steel forgings are designed to maintain dimensional integrity and mechanical strength under high thermal gradients and continuous loading. These forged components are ideal for large-scale structural and rotating parts used in steam turbines, gas turbines, generators, and associated infrastructure.
Thermal Stability: Heat treatment processes ensure the forged structure resists deformation, cracking, and stress accumulation during long-term high-temperature operation.
Oversized Capability: Supports large-diameter and high-mass components for power plant equipment, with precise grain flow control for superior load endurance.
Durable Microstructure: Forging ratio ≥ 3.0 ensures dense internal structure and consistent mechanical performance under thermal cycling and mechanical stress.
Rough Machined Delivery: Supplied in heat treated and rough machined condition to facilitate accurate downstream machining and final fitment.
Rotor shafts, coupling hubs, and base rings for steam and gas turbines
Generator support frames and rotor components
Large flanges, discs, and bearing housings for power plant assemblies
Forged blocks and rings used in thermal energy conversion systems
| Item | Details |
|---|---|
| Product Name | Thermal Stable Oversized Heavy Steel Forgings for Power Generation Equipment |
| Material Grades | - Alloy steels specifically designed for high-temperature endurance, thermal stability, and structural integrity under prolonged thermal and mechanical stress |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Capable of open die forging of extra-large components with complex geometry and high mass, ideal for turbine and generator parts |
| Manufacturing Process | Raw material inspection → Unloading → Preheating → Forging → Heat Treatment → Inspection → Rough Machining → Non-Destructive Testing → Final Inspection → Packaging → Delivery |
| Forging Ratio | ≥ 3.0 — Ensures refined grain flow, uniform internal structure, and resistance to thermal deformation and fatigue under continuous operation |
| Heat Treatment Options | - Normalizing + Tempering for stress relief, grain refinement, and thermal stability - Optional high-temperature annealing depending on service environment |
| Applications | - Rotor shafts, bearing housings, coupling parts, and pressure-containing components in steam and gas turbines - Generator rotor and stator structural components - Thermal load-bearing frames and flanges in large-scale power plants |
| Process Compliance | - Manufactured to client drawings and operational conditions with a focus on thermal integrity and load-bearing requirements |
| Delivery Conditions | - Supplied in heat treated and rough machined condition - Large-section and oversized geometries adaptable to OEM finishing needs |
| Testing & Inspection | - Chemical Composition Testing - Mechanical Testing: Tensile Strength, Toughness, Hardness - Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional Inspection with precision tools for oversized forgings |
Process flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.