WP5 Alloy Steel End Cap Butt Weld Pipe Fittings typically remain bright indoors with very low corrosion rates in both marine and rural environments. These WP5 seamless alloy steel pipe fittings are improved over 200 to control carbon and prevent embrittlement due to intergranular precipitation at temperatures from 600°F to 1400°F in many processes. https://www.shasanpiping.com/alloy-steel-wp9-buttweld-fittings-manufacturers-exporters-suppliers-stockists.html