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The classification, properties and applications of abrasion resistant cast iron

It is known to us that, in order to increase the strength, toughness and hardness and wear resistance, iron foundries often add an appropriate amount of Cu, Cr, Mo, W, Ni, Mn and other alloy elements into the cast iron. But different elements can bring different characters to cast iron. So it is important to classify different kinds of cast iron, make sense of where it should be applied. Let me introduce briefly as follows:

 

classification

 

Material

Mechanical Properties

Deflection
f/mm
Offset300mmm

 HBS

abrasion resistance

application

σb/MPa

σbb/MPa

 

 

Phosphorus

Phosphorus cast iron

245-323

460-588 

2.8-3.3 

180-220

abrasion resistance is twice as high as ordinary gray cast iron

The table of Lathes, grinding, machines milling machine

Phosphor Bronze Titanium iron

245-323

460-588

2.8-3.3

190-220

abrasion resistance is three times as high as ordinary gray cast iron

Coordinate boring machine, tap grinder, precision screw lathes, milling machines and other bed, table

 

 

 

Vanadium and titanium

 

Vanadium Titanium Iron

245-294 

450-588

2.7-4.0

197-207

abrasion resistance is twice or three times as high as ordinary gray cast iron

The bed of Lathes, grinding machines, milling machine,

vanadium phosphate Titanium iron

245-294

460-529 

2.8

200-230

Phosphor Bronze V-Ti cast iron

245-294

460-529 

2.8

200-230

 

Copper-chromium-molybdenum

 

Chromium copper iron

274-343

470-548

3.2 

200-250

abrasion resistance is twice as high as ordinary gray cast iron

The bed of Lathes, grinding machines, milling machine

Cr-Mo-Cu cast iron

274-343

470-546

3.5 

200-260

 

 

 

Rare Earth

Rare-earth iron

343-490

686-980

4

190-270

abrasion resistance is three times as high as ordinary gray cast iron

The bed of Lathes, grinding machines, milling machine,

phosphate

Rare-earth iron

343-490

686-784

3

220-260

 

 

 

Antimony

Antimony copper iron

196-245

390-460

2.5-3.5

190-220

Abrasion resistance is similar with Nickel-chromium

Turbine, sleeve, nut and other table, sleeve, slide, nuts, etc.

Antimony copper  rare earth iron

147-196

294-392

_

210-230

Antimony  iron      

196-215

372-392

3.0-3.2

200-220

In China, abrasion resistant cast iron have been used in many fields, made great contribution to the development of economic. Many iron foundries such as Dandong Foundry are making effort to develop and supply consumers with cast iron of high quality. People can choose the most appropriate kind of abrasion resistant cast iron basing on their own need.

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