The 5D bend in pipe bending is an accomplishment in pipe manufacturing, and not all pipe companies can provide it.
Links in steel industry for international steel grades, organizations,steel market information and market place I. Associations International Stainless Steel Forum (ISSF) Japan Stainless Steel Association (JSSA) World Steel Association (worldsteel) II. Standards American Iron and Steel Institute (AISI) ASTM International…
At some point, with all the possibilities of thread form, diameter, and pitch, you need to send it off to SK Grimes or another machinist.
Dimensions from carbon steel and stainless steel flanges are defined in the ASME B16.5 standard. The material qualities for these flanges are defined in the ASTM standards.