Back to Low Alloy Medium Carbon QT
ML00037 - Jun.2017

LAS Forging for Pump Body

The micrography in the longitudinal section in the middle of the thickness shows a light banding. Quenched and tempered structure.

1

346
The in the in the middle of the thickness shows a light banding. .
M

Material

Low Alloy Medium Carbon QT
  • UNS G86300
  • Modified
Ds

Description

The material was removed from a mud body. The was manufactured in a modified chemistry (compared to the G86300), and was for high strenght. show martensitic a little harder than the rest of the material.

C

Chemistry (% in weight)

Product Analysis

0.31C; 0.28Si; 0.84Mn; 0.016P; 0.008S; 1.58Cr; 0.80Ni; 0.25Mo.

Associated Images
The micrography in the longitudinal section in the middle of the thickness shows a light banding. Quenched and tempered structure.
346
VIEW
ML00037 / Jun.2017
LAS Forging for Pump Body
M - Low Alloy Medium Carbon QTP - Heat Treated PartAp - O&G Well DrillingCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Longitudinal Section
Quenched and tempered structure of the 1" thick forging presenting a light banding.
43
VIEW
ML00037 / Jun.2017
LAS Forging for Pump Body
M - Low Alloy Medium Carbon QTP - Heat Treated PartAp - O&G Well DrillingCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Structure
Longitudinal section in the middle of the thickness. Quenched and tempered structure.
38
VIEW
ML00037 / Jun.2017
LAS Forging for Pump Body
M - Low Alloy Medium Carbon QTP - Heat Treated PartAp - O&G Well DrillingCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Martensite
Vickers microhardness in and out of the segregation bands. The average hardness value in the band (1, 2 and 3 identations) is 354 HV 50g and out of the band (4, 5 and 6 identations) is 286 HV 50g.
33
VIEW
ML00037 / Jun.2017
LAS Forging for Pump Body
M - Low Alloy Medium Carbon QTP - Heat Treated PartAp - O&G Well DrillingCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Banded Structure