Mono Block Forged CNC Machined Pelton Runner

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Mono Block Forged CNC Machined Pelton Runner

Forging offers uniformity of composition and structure. Forging results in metallurgical recrystalisation and grain refinement as a result of the thermal cycle and deformation process. This strengthens the resulting steel product particularly in terms of impact and shear strength.Forged steel is generally stronger and more reliable than castings part.

Product Introduction

 

1. Brief introduction for Forged Integrally +100% CNC Machined Pelton Turbine Runner

 

Forging could considerably improve metal’s organizational structure and mechanical property.  

 

Forging offers uniformity of composition and structure. Forging results in metallurgical recrystalisation and grain refinement as a result of the thermal cycle and deformation process. This strengthens the resulting steel product particularly in terms of impact and shear strength.

 

Forged steel is generally stronger and more reliable than castings of same material due to the fact that the grain flows of the steel are altered, conforming to the shape of the part.

 

Performance comparison table of forging parts and casting parts

 

 Performance test of forging part

 

Mechanical Property σb(Mpa) σ0.2(Mpa) δ5(%) ψ(%) AKV(J/cm²) HB
Standard value ≥795 ≥620 ≥15 ≥45 ≥50 230~295
Actual value Horizontal 815 655 17.5 64.5 107 102 110 259 256 253
Vertical 820 660 18.5 67 149 152 136 256 257 257

 

Performance test of casting part

Mechanical Property σb(Mpa) σ0.2(Mpa) δ5(%) ψ(%) AKV(J/cm²) HB
Standard value ≥750 ≥550 ≥15 ≥35 ≥50 221~286
Actual value 770 610 17 50 84 88 85 252 255 254

 

Forged CNC machining process

Mono Block Forged CNC Machined Pelton Runner

2. Machining vedio for the Forged CNC machined Pelton runner. 

 

 

3. ISO 9001 Quality Management system is carried out to ensure better management control

 

4. Advanced CFD, FEA technic is utilized in the designing process to ensure better technical solution.

 

5. CAE casting simulation is adopted for the produciton of casting parts, this advanced and reliable process plan could help effectively improve product quality.

 

6. All raw material strictly conform to international standard, key component such as runners, guide vane is Forged and entire CNC machined.

 

Chemical Composition for ASTM A473 S41500 and ASTM A743 CA6NM(%)

 

Material No. C Si Mn P S Cr Ni Mo
ASTM A473 S41500 ≤0.05 ≤0.60 0.5-1.0 ≤0.030 ≤0.030 11.5-14.0 3.5-5.5 0.40-0.80

 Mechanical Property for ASTM A473 S41500 and ASTM A743 CA6NM

Material No. σ0.2(Mpa) σb(Mpa) δ5(%) ψ(%) Akv (J/cm2) HB
ASTM A473 S41500 ≥620 ≥795 ≥15 ≥45 ≥50 ≤295

 

7. State of the art machining and testing equipment, as well as licensed professional engineers all combined to help guarantee better product precisioness.

 

8. All product is subject to strict inspection according to international standards and client special requirements.

Mono Block Forged CNC Machined Pelton Runner

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