GEARENCH SCT1020 PETOL SURGRIP Casing Tong - Manual (Page 14)

12
Material Qualifications
The following table is a list of the materials and grades used in the manufacture of the
SCT1020 Surgrip Casing Tong.
Note: Yield and tensile strength are post heat-treating. Parts are heat treated after
machining.
Part
Number
Description Material Yield
Strength
(min)
Tensile
Strength
(min)
Impact
@-4°F
(min)
Reduction
of Area
(min)
SCTH1020 Handle AISI 4318 110 ksi 120 ksi 31.0 ft-lb 25 %
SCTJ1020 Jaw AISI 4318 110 ksi 120 ksi 31.0 ft-lb 25 %
HP390 Pin AISI 4140 165 ksi 180 ksi N/A N/A
HI09D Insert AISI M2 N/A N/A N/A N/A
HP391 Pin AISI 4140 165 ksi 180 ksi N/A N/A
HP392 Pin AISI 4140 165 ksi 180 ksi N/A N/A
HH18 Hanger ASTM A148
Gr. 90-60
60 ksi 90 ksi N/A N/A
SCTB1020 Belt Aramid-
Polyurethane
Composite N/A N/A N/A N/A