堆焊钢管，堆焊管件，堆焊加工

     阀门、锻造和管件堆焊堆焊内径为38mm~1800mm，阀门基体材ASTM A216 WCB, WCC; A352 LCC ... ...法兰基体材质ASTM A105, ASTM A350 LF1, LF2 CL1 / CL2, LF3 CL1 / CL2;ASTM A694 F42, F52, F60, F65, F70;ASTM A182 F304 / 304L, F316 / 316LAPI 45K,60K,75K;AISI 4130 (M), 4140, 4340, 8630(M)

    管件基体材质ASTM A234 Grade WPB、WPC、WP11、WP22;ASTM A420 WPL6Z、ASTM A860 WPHY42、WPHY52、WPHY60、WPHY65、WPHY70;其他元件ASTM A516 GR. 60 / GR. 70/GR. 80，堆焊镍基合金弯头，堆焊镍基合金三通，堆焊镍基合金管件

  堆焊层材料

  不锈钢304 / 304L 和316 / 316L, 904L

  o Inconel 600 / 625 和Incoloy800 / 825

  o 双相不锈钢SS31803, SS32750, SS32760

  o Hastelloy C276 和C22

  o Monel K-500, 400