User Manual

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