Yeah, I was asking about the hardness of the steel. Here is some info on steel suitable for shooting
AR400 steel or AR500 steel?
What kind of steel should I purchase for my targets?
There are two kinds of steel for our targets, AR400 and AR500. By choosing the correct steel for the type of shooting you'll be doing, will help ensure that your targets stay in good condition for a long life.
- For non-magnum, handgun only shooting, choose AR400 and save a bit of money since it is less expensive than AR500 steel. AR400 has a Brinell hardness range of 360-440 BHN.
- For a combination of rifle, shotgun or handgun, choose AR500. AR500 is the most durable of the target steel. While more expensive than AR400 these targets can take the abuse. AR500 has a Brinell hardness range of 477-555 BHN.
Abrasion Resistant (AR400) has a Typical Brinell Hardness range of 360-440
Abrasion Resistant (AR500) has a Typical Brinell Hardness range of 477-555 BHN
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~Dennis