ERW is available in all the common sizes, up to 18 NPS, and is suitable for welding, grooving, threading and bending. All wheatland black pipe is treated with our proprietary antimicrobial coating to prevent corrosion, for extended service life in all kinds of low-pressure and mechanical applications, as well as air, steam, water, and gas lines. It’s also available in a variety of combinations: ASTM A53 ERW Type E, Grade B can be purchased in plain end, roll groove, threaded and coupled, or threads only (one end or both).