What is the difference between ar400 and ar500?
Harder steel target surfaces resist pitting better than softer surfaces. For our purposes the Brinell Hardness scale (HB) is used for relative hardness. ... While the difference between mild steel and AR400 is pretty significant, the difference between AR400 and AR500 is less so, but still notable
آدرس : تهران - بازار آهن شاد آباد - بلوک مرداد شمالی پلاک 189
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