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Explore our comprehensive pin and bushing materials comparison, aligned with international standards.

Find detailed material specifications to make informed selections for your engineering needs.

Comparison between Geowell Pin and bushing’s material feature with international standards

Model Feature Bushing Material (Standard) Pin Material (Standard)
GST STANDARD GROOVE BUSHING SM45C, SCM415, SCM440
(KS) 		SM45C, SCM440
(KS)
GCH CROSS-HATCHED BUSHING
ODP O SHAPED DIMPLE BUSHING
VDP V SHAPED DIMPLE BUSHING
GHB HIGH STRENGTH BRASS BUSHING CAC304, CAC301 (KS) SM45C, SCM440 (KS)
GOL GRAPHITE PLUGGED BRASS BUSHING #500SP (KS) SM45C, SCM440 (KS)
GSN SINTERED BUSHING SMF4050, SMF5040 (KS)
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Material Specifications

CHROMIUM MOLYBDENUM STEELS

Model Feature Bushing Material (Standard) Pin Material (Standard)
GST STANDARD GROOVE BUSHING SM45C, SCM415, SCM440
(KS) 		SM45C, SCM440
(KS)
GCH CROSS-HATCHED BUSHING
ODP O SHAPED DIMPLE BUSHING
VDP V SHAPED DIMPLE BUSHING
GHB HIGH STRENGTH BRASS BUSHING CAC304, CAC301 (KS) SM45C, SCM440 (KS)
GOL GRAPHITE PLUGGED BRASS BUSHING #500SP (KS) SM45C, SCM440 (KS)
GSN SINTERED BUSHING SMF4050, SMF5040 (KS)
SCM440
(Application : bush, pin) 		C Si Mn P S Cr Mo
0.38~0.43 0.15~0.35 0.60~0.85 ≤0.030 ≤0.030 0.90~1.20 0.15~0.30
Heat Treatment QT Quenching 830 ~ 880℃ Oil cooling
Tempering 530 ~ 630℃ Air cooling
Mechanical Features Yield
Point
(N/mm2		 Tensile
Strength
(N/mm2) 		Elongation
(%) 		Reduction
of
Area (%) 		Charpy
impact
value
(J/mm2) 		Hardness
(HB
833
or more 		980
or more 		12
or more 		45
or more 		58.5
or more 		285~352
Equivalent int’l spec DIN BS AISI NF JIS GB
42CrMo4 708A40
708M40 		4140
4142 		40CD4
42CD4 		SCM440 42CrMo

CARBON STEEL FOR MACHINE STRUCTURAL USE

SM45C
(application
:Bush, Pin) 		C Si Mn P S Cr Ni
0.42~0.48 0.15~0.35 0.60~0.90 ≤0.030 ≤0.030 <0.20 <0.20
Heat
Treatment 		Normalizing
(N) 		820~870°C
Air cooling
Annealing
(A) 		About 810°C
Furnace cooling
Quenching
(Q) 		820~870°C
Water cooling
Tempering
(T) 		550~650°C
Rapid cooling
Mechanical
property 		Heat
Treatment 		Yield
Point
(N/mm2) 		Tensile Strength
(N/mm2) 		Elongation
(%) 		Reduction of Area (%) Charpy
impact
value
(J/mm2		 Hardness
(HB)
N 343
or more 		569
or more 		20
or more 		- - 167
~229
A - - - - - 137
~170
H
(QT) 		490
or more 		17
or more 		686
or more 		45
or more 		78
or more 		201
~269
Equivalent
int’l spec 		DIN BS AISI NF JIS GB
CK45
C45 		060A45
080M46 		1045
1046 		XC45 S45C 45

HIGH STRENGTH BRASS CASTINGS

CAC301
(HBsC1)
(application
:bush) 		Cu Zn Mn Fe Al Residual substance
Sn Pb Ni Si
55.0~60.0 33~42 0.1~1.5 0.5~1.5 0.5~1.5 1.0 0.4 1.0 -
Mechanical
property 		Tensile
Strength
(N/mm2) 		Elongation(%) Hardness(HB)
430
or more 		20
or more 		90
or more
Equivalent
int’l spec 		DIN BS EN AISI JIS NF
CuZn34AI2 HTB1 CC765S SAE43
C86500 		CAC301
(HBsC1) 		CuZn30
-AIFeMn

HIGH STRENGTH BRASS CASTINGS

CAC304
(HBsC4)
(application
:Bush) 		Cu Zn Mn Fe Al Residual substance
Sn Pb Ni Si
60.0~65.0 22~28 2.5~4.0 2.0~4.0 5.0~7.5 0.2 0.2 0.5 0.1
Mechanical
Features 		Tensile Strength
(N/mm2)		 Elongation(%) Hardness(HB)
755
or more 		12
or more 		200
or more
Equivalent
int’l spec 		DIN BS EN AISI JIS NF
CuZn25AI5 HTB3 CC762S SAE430B
C86200 		CAC304
(HBsC4) 		CuZn30
-AI6Y20

COMPOSITE MATERIAL FOR SELF-LUBRICATING BUSHING

Solid Lubricant Bush #500SP Solid lubricant is plugged into high-strength-brass base metal
Sintered bushing Special sintered base material of Fe – Cu