Welcome to B2BAGE
drill collar
drill collar

Minimum Order: 0
Quality/Safety Certification: 0.00


The drill collar is according to SY/T5144-1997 and API 7-1 " Specification for Rotary Drill Stem Elements" standard

 

AB Type Drill collar mechanical properties

OD scope

Yield strength MPa

tensile strength MPa

elongation %

Brinell hardness HB

Charpy

impact J

mm

in

79.4171.4

31/863/4

≥758

≥965

≥13

285341

≥54

177.8279.4

711

≥689

≥930

≥13

285341

≥54

C Type Drill collar mechanical properties

OD scope

Yield strength MPa

tensile strength MPa

elongation %

Brinell hardness HB

Charpy

impact J

mm

in

79.4171.4

31/863/4

≥758

≥827

≥18

 

 

177.8279.4

711

≥689

≥758

≥20

 

 

Ads by Google



About Us | Contact Us | Help | Terms & Conditions
Hot Products: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9
Copyright Notice @ 2008-2013 B2BAGE Limited and/or its subsidiaries and licensors. All rights reserved.