| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Yea |
|
Still deciding? Get samples of US$ 4/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Class T and Class SM coupling for sucker rods are manufactured as per API 11BZX Class T coupling is using AISI 5140 to manufacture.
AS for Class SM coupling, the spray metal is a specified hardening process which is used on the base metal The couplings are available in full size, slim hole and over size.
|
Chemical Properties, %: Class T Coupling
|
|
|
Steel
|
AISI 5140
|
|
C
|
0.37~0.44
|
|
Si
|
0.17~0.37
|
|
Mn
|
0.50~0.80
|
|
P
|
≤0.040
|
|
S
|
≤0.040
|
|
Spray Metal Coating Chemical Properties, %: Class SM Coupling
|
|
|
Carbon
|
0.50~1.00
|
|
Silicon
|
3.50~5.50
|
|
Phosphorus
|
0.00~0.02
|
|
Sulfur
|
0.00~0.02
|
|
Chromium
|
12.00~18.00
|
|
Boron
|
2.50~4.50
|
|
Iron
|
3.00~5.50
|
|
Cobalt
|
0.00~0.10
|
|
Titanium
|
0.00~0.05
|
|
Aluminum
|
0.00~0.05
|
|
Zirconium
|
0.00~0.05
|
|
Nickel
|
Balance
|
|
OD
|
Coupling OD
|
Length
|
Wrench length
|
Wrench width
|
|
|
mm
|
in
|
(inch- mm)
|
(inch- mm)
|
mm
|
mm
|
|
16
|
5/8
|
38.1(1.500)
|
101.6(4.000)
|
31.8
|
34.9
|
|
19
|
3/4
|
41.3(1.625)
|
101.6(4.000)
|
31.8
|
38.1
|
|
22
|
7/8
|
46.0(1.812)
|
101.6(4.000)
|
31.8
|
41.3
|
|
25
|
1
|
55.6(2.187)
|
101.6(4.000)
|
31.8
|
47.6
|
|
29
|
1 1/8
|
60.3(2.375)
|
114.3(4.500)
|
41.3
|
53.9
|
Dongying Zhaoxin Industry and Trade Co.,Ltd is an ISO-9001, ISO-14001, OHSAS-18001 certified company and has all the quality systems in place for design, planning,manufacturing and quality monitoring & traceability to ensure that Dongying Zhaoxin Industry and Trade Co.,Ltd products match the highest quality & reliability Standards similar to any International major in this field.
Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .
){kind=link}