Forging Drilling Spool (mud cross) with Alloy Steel 4130 According to API 16A

 1.   Forging drilling spool ( mud cross )       API 16A drilling spool (mud cross)            1.14-105Mpa Drilling Spool      2.AA-FF Drilling Spool     3.PSL1-3,Drilling Spool 2.   Steel grade :  4130Standard China U.S.AJapan    Grade30CrMo4130SCM430    3.   Size range : 7-1/16" 5M - 20-1/4" 2M                                Outlet size range :   2-1/16" 5M - 4-1/16" 10M    Pressure range : 2M -15M  4.    Delivery condition :      Forging+ quencing /temepring + seal groove machining + groove stainless steel welding       Final machining   5.     Packing : poly-wooden box /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1