PIPE FITTING:Sucker rod coupling, 7/8" UHS FS

pipe fitting: UHS FS Sucker rod coupling; API 11B APPROVAL Manufacturer; AISI 4140 steel; Excellent Quanlity&Reasonable Price

Pipe fitting: UHS FS Sucker rod coupling;API 11B APPROVAL Manufacturer;AISI 4140 steel;Excellent Quanlity&Reasonable Price

COMPANY BRIEF:

Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a professional manufacturer of API 11B sucker rod couplings, including Spray Metal coupling, class T coupling, Altra High Strength,Sub OD coupling, with various spec. of Full size, Slim Hole, grand chamfer, Two-way camber, etc. With world top level equipments and technicians, the monthly production capacity is more than 20,000pcs. All of our products are excellent in quality and low in price, which satisfied many of our customers home and overseas. Recently years, we invest over 13,000 square meters in area and USD1.5 million planning to produce API 11B sucker rod. We are API 11B Certificate Approval Company, Golden supplier of Alibaba.com and the best supplier you can trust in China.

PRODUCT BRIEF:

Ultra High Strength sucker rod coupling for use with high strength sucker rods, adopts high stregnth alloy steel 4142 for raw material, its basic hardness is HRA59-65.

Grade

CHINA steel

USA AISI

Chemical Composition (WT%)

C

Si

Mn

Cr

Ni

Mo

V

Ti

B

Nb

Cu

P, S

D, H

42CrMoA

4140M

0.38~0.45

0.17~0.37

0.50~0.80

0.90~1.20

≤0.30

0.15~0.25

—

—

—

—

≤0.20

≤0.025

 

Type	Mechanical & Physical Properties
	Tensile Strength(Mpa)	Yield Strength  (Mpa)	Elongation (%)	Reduction of crosssection area,  (%)	Ballistic Work Akv(J)	Notched bar impact strength  , kv (J/cm2)	Hardness	Blank sample size
AISI 4140	≥980(100)	≥1130(80)	≥12	≥45	≥110	≥59(6)	60-64HRA	25mm

PHOTOS OF MATERIAL FOR YOUR REFERENCE

PIPE FITTING:Sucker rod coupling, 7/8" UHS FS