How to read a material test certificate for wear castings
A test certificate is only useful if you check it against the standard it claims to meet. Here is what to look for.
Technical notes
Notes from the foundry
Practical guidance on selecting, specifying and getting more life out of wear castings. Written for the people who run the machines rather than for search engines.
-
-
Shredder hammer wear: what to inspect and when to act
Face wear is the obvious measure. Eye elongation is the one that catches plants out.
-
Getting more tonnes from a set of blow bars
Alloy choice gets the attention, but apron setting and feed control often move blow bar life further than a grade change does.
-
High chrome vs manganese steel castings: a straight comparison
Two alloys, two completely different mechanisms. Understanding how each one resists wear makes the selection obvious.
-
Choosing blow bar material: high chrome, martensitic or manganese
The right blow bar alloy is decided by your feed, not by which grade is hardest. Here is how to read the trade-off.
