The microstructure responds to heat treating which gives this material a uniform core hardness along the length of the bar. Machinability – Material has been stress relived and straighten to guarantee good machinability for gun drilling and reaming, which is necessary to maintain bore accuracy. Being Stainless steel, it will be able to hold up to the stress of firing bullets and can with stand the hot flashes of gun powder. 416R provides the right chemistry to be used in the fire arms industry. They have low ductility at sub-zero temperatures and higher strengths with over-tampering.Ĭorrosion Resistance – Good corrosion resistance to inhibit rusting and which also helps to minimize fouling. Despite these two characteristics, they have lower corrosion resistance than austenitic steels. SpecificationsĬhemical Composition – This is martensitic steel, meaning it can be tested nondestructively and have high hardness. The 416R stainless steel gun barrel is the leading barrel for companies around the world. The material is 100% Eddy current, and ultrasonically tested to ASTM 2375. 416R stainless steel 416R gun barrel material is used for firing pins, rifle barrel, tactical rifles, pistol barrels, and competitive rifles. Stainless Shapes is proud to be a 416R Stainless Steel gun barrel supplier. 416R Stainless Steel Supplier – Gun Barrel
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