Instruction Manual

13
Material Qualifications
The following table is a list of the materials and grades used in the manufacture of the
SCT1020 SURGRIP™ Casing Tong.
Part
Number
Description
Material
Yield
Strength
(min)
Tensile
Strength
(min)
Charpy
Impact
(min)
Reduction
of Area
(min)
SCTH1838
Handle
AISI 4318
110 ksi
120 ksi
31.0 ft-lb
25%
SCTJ1838
Jaw
AISI 4318
110 ksi
120 ksi
31.0 ft-lb
25%
HP062
Belt –
handle pin
AISI 4140
110 ksi
120 ksi
31.0 ft-lb
25%
HI09D
Insert
AISI M2
N/A
N/A
N/A
N/A
HP063
Jaw –
handle pin
AISI 4140
165 ksi
180 ksi
11.0 ft-lb
25%
HP064
Belt – jaw
pin
AISI 4140
110 ksi
120 ksi
31.0 ft-lb
25%
HH19
Hanger
AISI 1018
N/A
N/A
N/A
N/A
SCTB1838-
XXXX
Belt
Aramid-
Polyurethane
Composite
N/A
N/A
N/A
N/A