Generally, surfacing materials of flanges and related products
With the continuous promotion of the sales of the company's flange products like high-end customers, the company has more and more customers who require the surfacing of flanges, but some customers do not understand the knowledge related to surfacing. Shanxi Haokun flange Group Co., Ltd. found the manufacturer we cooperate with to do surfacing for flanges for consultation
• generally speaking, the incoming processing services of flanges, valves, pipe fittings, pipelines and other products that can be overlaid.
• the surfacing of specific flanges shall be divided into pre welding UT, dimensional inspection, 100%, post surfacing heat treatment, and finished product finishing after surfacing
Surfacing of valves, forgings and pipe fittings
Surfacing valve base material
• ASTM A216 WCB, WCC; A352 LCC ... ...
Surfacing flange base material
• ASTM A105, ASTM A350 LF1, LF2 CL1 / CL2, LF3 CL1 / CL2;
• ASTM A694 F42, F52, F60, F65, F70;
• ASTM A182 F304 / 304L, F316 / 316L
• API 45K,60K,75K; AISI 4130 (M), 4140, 4340, 8630(M)
Pipe base material
• ASTM A234 Grade WPB、WPC、WP11、WP22;
• ASTM A420 WPL6Z、ASTM A860 WPHY42、WPHY52、WPHY60、WPHY65、WPHY70;
Other components
• ASTM A516 GR. 60 / GR. 70
Other material requirements
• surfacing material
material requirements for surfacing flange: stainless steel 304 / 304L, 316 / 316L and 904L flanges can be surfacing. The specific models are as follows
Inconel ® 600 / 625 and Incoloy ® 800 / 825
material requirements for surfacing flange: duplex stainless steel ss31803, ss32750, ss32760
Hastelloy ® C276 and C22
Monel K-500, 400
