ASTM A Class II Type B high chrome white iron is used in operating environments where abrasion and impact are the wear mechanisms. ASTM A standard has issued the chemical and hardness requirements for abrasion-resistant cast iron material grades, type A, B, C, D. ASTM A – Free download as PDF File .pdf), Text File .txt) or read online for free. Nihard.

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Hardness test shall also be made. We have approached the foundry to answer questions about softening and heat treating options. There is no issue involved.

ASTM A Class I Type A | Ni-Hard 1 High Chrome White Iron

About 4 feet mm ast. So now we are waiting to hear from the foundry about how to get the hardness down to machinable levels. Red Flag This Post Please let us know here why this post is inappropriate. To see MatWeb’s complete data sheet for this material including material property data, metal compositions, material suppliers, etcplease click the button below.

ASTM A532 Class III Type A 25% Cr

Download Now White Paper: A machine shop has reported that some castings we sent for machining are harder than our drawing specifies. Close this window and log in.

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Abrasion resistant cast irons to ASTM A Standard

What is the part under consideration. This specification deals with abrasion-resistant cast irons used for mining, milling, earth-handling, and manufacturing industries.


These alloys may be made by melting process and shall have microstructures that consist of carbides, martensite, bainite, austenite, and in exceptional cases, minor amounts of graphite or pearlite. Or if you don’t have an account with us yet, then click here to register. Are you using cubic boron nitride tips or carbide tips for machining? The Eng-Tips staff will check this out and take appropriate action. You need to check on the current structure, and perhaps do some trials.

Converted from Brinell hardness.

Please contact us at webmaster matweb. Click here to view all the property values for this datasheet as they were originally entered into MatWeb. The chemical composition of a class and type that is, Z532 I, Type A shall conform to the range of values specified for carbon, manganese, silicon, nickel, chromium, molybdenum, copper, phosphorus, and sulfur. A little less than 1 inch in thickness 24 mm A 1.

Download Now Defense manufacturing is all about project manufacturing and project accounting. Questions or comments about MatWeb? As a first step, I would temper this casting to drop the hardness to BHNbefore attempting annealing. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. I guess we specified the current parts to be as cast HB. If the issue is that they take longer to machine or they adtm through tooling faster, can you throw more money at the machine shop to just work through it?

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And we should try to confirm the actual material. The following conditions for casting will be supplied: We were casting our own and kept retained austenite very low.

We are having an issue machining the parts. Worth a shot for a few parts, for a523 parts that approach isn’t going to be realistic.

Click Here to join Eng-Tips and talk with other members! ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

I have done slurry pump parts and grinding rolls. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units.

Metallurgy, Plymouth Tube RE: Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. About 2 feet mm diameter. I foresee problems with distortion and perhaps even cracking of the finish machined parts.

High Chrome White Iron – Abrasion Resistant Cast Irons

The longer, more complicated part calls for the part to be annealed to HB. Property Data This page displays only the text of a material data sheet.

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