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Tubes in FeCrNi and NiCr alloys are, from stock, mainly available in the high performance heat resistant grade 253MA; The following tube sizes are stocked:

Tube size,mm(inch)
OD x wt
Alloy Thread
40x2.5
(1.57" x 0.1")
253MA 1 ¼" BSP
33.7x2.5
(1.33" x 0.1")
253MA 1" BSP
26.67x2.87
(1.05" x 0.11")
Alloy 600 ¾" BSP
26.67x2.67
(1.05" x 0.1")
253MA ¾" BSP
25x1.5
(1" x 0.06")
253MA BSP: ½", ¾", 1" NPT:½", ¾", 1"
22x1.5
(0.87" x 0.06")
253MA BSP: ½", ¾", 1" NPT:½", ¾", 1"
19x1.5
(0.75" x 0.06")
253MA BSP: ½", ¾", 1" NPT:½", ¾"
15x1.5
(0.59" x 0.06")
253MA

BSP: ½", ¾"
NPT:½", ¾"

Tubes in other sizes and other FeCrNi and NiCr alloys are also available.

The tubes are available in lengths up to 13 meters (42.6 feet) or cut to shorter lengths, equipped with a closed end and a thread for protection tubes or connections for the inlet of protection gas, and for muffle tubes.