Home > Products > Gear Blank Forging > 34CrNiMo7-6 / 18CrNiMo7-6 Gear Blank Forging Wind Power Generation Gear 5000MM
34CrNiMo7-6 / 18CrNiMo7-6 Gear Blank Forging Wind Power Generation Gear 5000MM
- T/T L/C D/P D/A
- 7 days
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Product Details
| Brand Name | HUIXUAN | Place of Origin | China | |
| Model Number | 30T |
Product Description
Certification:ASTM，ASME,DIN，JIS，ISO，BS，API，EN
34CrNiMo7-6 / 18CrNiMo7-6 Gear Blank Forging Wind Power Generation Gear 5000MM?
Product Desciption:
Gear ring of wind power generation equipment includes internal tooth and external tooth,tooth after nitriding and quenching treatment to reach better hardness and smooth finish.
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Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment
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Specification:
|
Materail elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 20CrMnMo | 0.17-0.23 | 0.17-0.37 | 0.90-1.20 | 0.035 | 0.035 | 1.10-1.40 | 0.30 | 0.20-0.30 | 0.17-0.23 |
| 34CrNiMo6 | 0.30-0.38 | ≤0.040 | 0.50-0.80 | ≤0.035 | ≤0.035 | 1.30-1.70 | 1.30-1.70 | 0.15-0.30 | ? |
| 18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | ? |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
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Mechanical properties |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 20CrMnMo | ?15 | ≥1180 | ≥885 | ≥10 | ≥45 | V | ≥55 | ≤217HBS |
| 34CrNiMo6 | ?15 | 750-900 | 450-600 | ≥13 | ≥55 | V | -40℃≥20 | ≤269HBS |
| 18CrNiMo7-6 | ?15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
| 4340 | ?15 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤179HBS |
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Quick Detail:
| MAX weight | 30T |
| MOQ | 1PC |
| Delivery time | 30-50 days |
| Package | Plywood case,wooden pallet,steel frame |
| Delivery terms | FOB;CIF;CFR；DDU； |
| Payment terms | T/T,LC |
| Type of shipping | By ocean,air |
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Process procedure:
Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment
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Products reference:
