NXF UNS S20910 XM-19 OD DN6-DN1200 Pressure 3000-9000lb Special Stainless Steel Forging Socket Welding Double Socket Coupling

UNS S20910 XM-19 stainless steel is an austenitic stainless steel with a blend of strength and corrosion resistance that is higherthan stainless steel grades 316, 316/316L, 317, and 317/317L .The high strength, corrosion resistance, and low magneticpermeability of this alloy allows it to be used as a material for medical implants.
Machinability
Stainless steel grade UNS S20910 XM-19 has machinability characteristics that are similar to other austenitic stainless
steels;however it requires slower speeds, more power, and higher rigidity due to its high work hardening rate. It is recommended that coated carbide tooling be used.
Forming
Stainless steel grade UNS S20910 XM-19 can be formed using the same methods applied for other austenitic stainless steels. More power for forming and forging is needed for this alloy. Forging can be done at 1177-1204°C (2150-2200°F).
Welding
Welding of stainless steel grade UNS S20910 XM-19 can be performed using traditional joining processes. Recommended filler metal should be UNS S20910 XM-19 (AWS E/ER209).
Caution should be taken while using autogenous, high power density joining processes such as EB or laser welding, due to low FN potential and severe outgassing possibility.
Heat Treatment
Final annealing process performed for several of the applications, is done at 1065°C (1950°F), which is followed by water quenching. In case this material is used in a strongly corrosive environment, annealing should be done at 1121°C (2050°F). This alloy cannot be hardened by heat treatment.

Socket welding double-socket pipe clamps are high-efficiency pipe fittings that use socket welding (SW) connection. They are made of round steel or steel ingots through die forging and then precision machining. The core design features a socket structure at both ends, allowing two pipes to be directly inserted into the socket holes for welding. They support both equal-diameter and unequal-diameter (concentric/eccentric) connection modes. They are compact in structure and small in size, adaptable to narrow installation spaces, and provide a firm connection with excellent sealing performance. They can meet the requirements of high-pressure conditions, are easy and efficient to install, comply with standards, and have controllable quality. They are widely used in petrochemical, power, aerospace and other fields, and are the preferred basic accessory for connecting and adapting various high-pressure and precision pipeline systems.

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