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Product Details:
Payment & Shipping Terms:
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| Material: | Steel | Forging Ratio: | ≥3.5 |
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| MOQ: | 1PC | Molding Style: | Forging |
| Max Weight: | 50T | Delivery Time: | 30-50Days |
| High Light: | 4340 Open Die Forging Steel,Ring Machining Open Die Forging Steel,4340 Die Casting Parts |
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Die Casting Factory Parts Ring Machining Open Die Forging Press Steel
Open die forging is the process, which involves the shaping of any hot metal parts. This is done with a top die that is attached to a ram and the bottom die gets attached to a hammer or bolster. Metal parts need to have appropriate temperatures, somewhere in the range of 500°F to 2400°F. These can then be shaped into the desired configuration with the help of skilful hammering or even by applying pressure to the workpiece. Sometimes, open die forging is also referred to as free forging or impression die forging. The metal is constantly hammered and stamped to finally achieve a certain set of dimensions within the open die forging process.
Products reference:
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Material |
4340,4140,18CrNiMo7-6,4330 |
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Forging equipment |
8000T open die hydropress |
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Application |
Transmission components of mining machinery ,transmission,connectin function |
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Melting |
EF+LF+VD |
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Production process |
Forging+heat treatment+rough machining+QT |
| Forging ratio |
≥3.5 |
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Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
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Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
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Certification authority |
ISO,BV,SGS, IST, UL,CTI |
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Delivery terms |
Rough machining(N+T);finish machining(Q+T),nitriding quenching |
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Test machine |
Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,trilinear coordinate measuring machine,hardness test |
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Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Custom properties
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Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.60-0.90 | ≤0.035 | ≤0.040 | 0.80-1.10 | -- | 0.15-0.25 | - |
| 4330 | 0.28-0.33 | 0.10-0.35 | 0.85-1.15 | ≤0.020 | ≤0.020 | 0.80-1.10 | 1.10-1.40 | 0.35-0.55 | - |
| 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 property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 4140 | Ø10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
| 4330 | Ø10 | ≥1000 | ≥740 | ≥12 | ≥25 | V | ≥42 | -- |
| 18CrNiMo7-6 | Ø15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
| 4340 | Ø15 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤179HBS |
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
Commerce clause
| MAX weight | 50T |
| MOQ | 1PC |
| Delivery time | 30-50Days |
| Package | Plywood case,wooden pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | T/T,LC |
| Type of shipping |
By ocean,air |
Why choose HUIXUAN?
Contact Person: Mr. Arnold
Tel: +86-15-15-15-81-878
Fax: 86-512-58360318
| Sales office:A 509,HuaJian Mansion,Zhangjiagang City,JiangSu Province,China | |
| +86--13914905080 | |
| arnoldxue@163.com | |
