Search
Filters
Close

Save 20% on select titles with code HIDDEN24 - Shop The Sale Now

96249 STRESS CORROSION CRACKING OF PIPELINES - ITS CONTROL OR PREVENTION.

Product Number: 51300-96249-SG
ISBN: 96249 1996 CP
Author: R.N. Parkins
$0.00
$20.00
$20.00
Stress corrosion cracking of line pipe from the soil side involves slow crack growth at stresses which may be as low as half the yield strength of the steel. The majority of failures experienced in various parts of the world are characterised by being associated with intergranular stress corrosion crocks, resulting from the presence of carbonatebicarbonate solutions with pH’s of about 9.5. More recently transgranular cracks, due to the presence of carbon dioxiclecontaining solutions having pH’s in the vicinity of 6.5, have been observed. The emphasis in this paper is on approaches to prevention and control, making use of the controlling parameters ident ifitxl by research into the problem. For existing lines, control of the problem may be through manipulation of the stressing conditions and, in principle, control of the cathodic protection, with temperature control offering an alternative approach for cracking by the higher pH environment but not that of low pH. For new lines, the additional factors of steel composition, surface condition and coating system and quality r-my be added to the above for control of the problem. Keywords: stress corrosion cracking, inter.granular, tmnsgranular, environments, temperature, cathodic protection, coatings, hydrostatic retesting, maximum and fluctuating pressures, steel resistance.
Stress corrosion cracking of line pipe from the soil side involves slow crack growth at stresses which may be as low as half the yield strength of the steel. The majority of failures experienced in various parts of the world are characterised by being associated with intergranular stress corrosion crocks, resulting from the presence of carbonatebicarbonate solutions with pH’s of about 9.5. More recently transgranular cracks, due to the presence of carbon dioxiclecontaining solutions having pH’s in the vicinity of 6.5, have been observed. The emphasis in this paper is on approaches to prevention and control, making use of the controlling parameters ident ifitxl by research into the problem. For existing lines, control of the problem may be through manipulation of the stressing conditions and, in principle, control of the cathodic protection, with temperature control offering an alternative approach for cracking by the higher pH environment but not that of low pH. For new lines, the additional factors of steel composition, surface condition and coating system and quality r-my be added to the above for control of the problem. Keywords: stress corrosion cracking, inter.granular, tmnsgranular, environments, temperature, cathodic protection, coatings, hydrostatic retesting, maximum and fluctuating pressures, steel resistance.
PRICE BREAKS - The more you buy, the more you save
Quantity
1+
5+
Price
$20.00
$20.00
Product tags
Also Purchased
Picture for 96255 EFFECT OF STRESS CORROSION CRACKING
Available for download

96255 EFFECT OF STRESS CORROSION CRACKING ON INTEGRITY AND REMAINING LIFE OF NATURAL GAS PIPELINES

Product Number: 51300-96255-SG
ISBN: 96255 1996 CP
Author: C. E. Jaske, J. A. Beavers, B. A. Harle
$20.00
Picture for 04189 Stress Corrosion Cracking Prediction Model
Available for download

04189 Stress Corrosion Cracking Prediction Model

Product Number: 51300-04189-SG
ISBN: 04189 2004 CP
Author: John A. Beavers and William V. Harper, CC Technologies; Richard McGregor, Great Lakes Gas Transmissi
$20.00
Picture for 00370 RESEARCH CHALLENGES REGARDING STRESS
Available for download

00370 RESEARCH CHALLENGES REGARDING STRESS-CORROSION CRACKING OF PIPELINES

Product Number: 51300-00370-SG
ISBN: 00370 2000 CP
Author: R. R. Fessler, K. Krist
$20.00