Gold Member Since 2010
Audited Supplier
Puyang Zhongshi Group Co., Ltd.

Sub Coupling, API Sub Coupling, Slim Hole Sub Coupling manufacturer / supplier in China, offering API 11b Grade T Slim Hole Sh Sub Coupling, API Certificated Nylon Composite Plastic Centralizer, API Spiral Blade Cast Aluminum Centralizer and so on.

(/ )

Supplier Homepage Product Casing accessories API 11b Grade T Slim Hole Sh Sub Coupling

API 11b Grade T Slim Hole Sh Sub Coupling

Purchase Qty.:
50-499 500+
FOB Unit Price: US $50 US $2
Purchase Qty. (Pieces) FOB Unit Price
50-499 US $50
500+ US $2
Get Latest Price
Port: Qingdao, China
Production Capacity: 10000piece/Month
Payment Terms: T/T, Western Union

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: Sub Coupling
  • Structure: Metal Bellows
  • Material: Carbon Steel
  • Certification: API Spec 11b
  • Diameter Type: Sh(Slim Hole)
  • Trademark: Zhongshi
  • Specification: API, ISO
  • HS Code: 8431
  • Connection: Flange
  • Flexible or Rigid: Rigid
  • Standard: Standard
  • Grade/Class: Class T
  • Use: Oil Production Accessories
  • Transport Package: Standard Export Package, Wooden Case
  • Origin: Henan, China
Product Description
Product Description

API 11b Grade T Slim Hole Sh Sub Coupling
1)  Basic Material: AISI5140(high quality carbon steel)
2)  Coat Material: Ni60A Alloy Coating
3) Coat  thickness: 0.010in-0.020in
4) Standard: API Spec11B
5) Type: slim hole(SH)
6)  Grade/Class: T
7) Description
Couplings are manufactured from quenched and tempered micro alloyed steels.API couplings are furnished in two classes: Class T and Class SM (Spray Metal). The later has a superficial hardening process (based in nickel, chrome, boron and silicon) that provides better erosion and corrosion resistance. This coupling is also recommended Slim Hole (SH) couplings when required due to the tubing internal diameter limitations.
8) Parameter

gradeO.D(mm)Minimum lengh(mm)HardnessWeight(kg)Standard
3/4"19-T41.05~41.43101.6~103.1756-62HRA0.65API 11B
7/8"22-T45.75~46.1345.75~46.1356-62HRA0.8API 11B
1"25-T55.35~55.7355.35~55.7312-23HRA1.15API 11B

Company Information

Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. 
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc..  
Our  products mainly include: 
1. Casing Centralizer                           2.  Float Collar & Float Shoe 
3. Cementing Plug                              4.  Cementing Head
5.  Cement Basket                              6.  Tubing Pump / Rod Pump
7.  Valve Ball & seat                            8. Casing / Tubing Pipe and Coupling
9. Stage Collar                                    10. Pumping Unit
11. Air Blaster                                     12.  Sucker Rod
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.

Contact Us


Add: 5th community, Zhongyuan Oilfield, Puyang, China

Tel: 0086-371-87096211

Fax: 0086-371-87096212


Irene is here waiting for you!!
Send your message to this supplier
Ms. Irene Zhang
To: Ms. Irene Zhang

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now