Krupp Crusher Hammer 2022 manufacturer from China Luoyang Zhili Industry Co., Ltd.

Price:	0.3 USD
Payment Terms:	T/T,L/C
Place of Origin:	Henan, China (Mainland)


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Product Detail

Model No.: 2022

Production Capacity: 5000T/Q

Delivery Date: within 35days after downpay...

crusher spare part: wear steel casting

Means of Transport: Ocean

Packing: according to request

Brand Name: Zhili

Pouring temperature is the composite casting process is an important process

Tel: +86 18736378024

E-mail:zhilishiye1@gmail.com

Pouring temperature is the composite casting process is an important process

Parameters, it will directly affect the choice of diaphragm thickness and the two metals most

End with the situation. After several casting trials, we selected the pouring temperature

As, steel: 1540 ℃ ~ 1580 ℃; hot metal: 1320 ℃ ~ 1360 ℃.

Heat treatment aimed at taking into account the high chromium cast iron 25 #

Steel, using

960 ℃ (± 10 ℃) thermal 3h ~ 4h followed by air cooling and 350 ℃ (± 10 ℃)

And then air-cooled heat 3h ~ 4h. Before heat treatment of high chromium cast iron-cast

For the austenite + eutectic carbides, hardness only HRC48 ~ 52; heat

After the high chromium cast iron martensite + retained austenite + carbide time

+ Secondary carbides, hardness HRC60 ~ 62. 25 #

CARBON STEEL as

Ferrite + pearlite can meet the requirements.

Composite casting hammer were dissected to analyze the two materials and

Partition among the three fusion status. Analysis of samples are shown in Figure 1. Sample

Microstructure shown in Figure 2. It can be seen from Figure 2, high chromium cast iron side of the fusion site

As a carbide sorbite + + secondary carbides; high chromium cast iron and separated

Organization of the fusion zone plate pearlite; diaphragm zone of ferrite + pearl

Body; 25 #

Carbon Steel ferrite + pearlite. Figure 3 shows the high chromium cast iron

Fusion zone with the partition further enlarged microstructure, can be more clearly

Good to see the status of the fusion of two materials. You can see from Figure 2 25 #

No partition between carbon steel and a good interface melting conditions. More love

Conditions show that high-chromium cast iron, 25 #

Carbon steel and has been completely cast into the three partitions

Hammer casting a whole.

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