Steels for seamless hydrogen pressure vessels

Conference · Sat Nov 01 04:00:00 EST 1975 · Corrosion; (United States)

OSTI ID:7366866

Loginow, A W; Phelps, E H

To provide engineering data useful in the design, manufacture, and operation of seamless pressure vessels, extensive tests have been conducted in hydrogen at pressures ranging from 3000 to 14,000 psi (21 to 97 MN/m/sup 2/) with precracked specimens of steels having a wide range of mechanical properties. The critical stress-intensity level at which crack propagation spontaneously arrests (K/sub H/) was determined. The values of K/sub H/ were used in an illustrative calculation to estimate the critical flaw size at which hydrogen crack propagation would be expected in thick members loaded in bending. In general, the susceptibility of steels tested increased with yield strength. For the steels with intermediate yield strengths (85 to 113 ksi (586 to 779 MN/m/sup 2/)), K/sub H/ tended to decrease as pressure was increased from 3000 to 14,000 psi (21 to 97 MN/m/sup 2/). The crack path was analyzed, and a sequence of events is described involving the initiation, growth, and arrest of cracking induced by gaseous hydrogen.

• Research Organization: United States Steel Corp., Monroeville, PA
• OSTI ID: 7366866
• Conference Information: Journal Name: Corrosion; (United States) Journal Volume: 31:11
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
080203* -- Hydrogen-- Cryogenic Storage
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CONTAINERS
CORROSION
CORROSION RESISTANT ALLOYS
CORROSIVE EFFECTS
CRACKS
DEFECTS
FRACTURE PROPERTIES
HYDROGEN STORAGE
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MECHANICAL PROPERTIES
PRESSURE VESSELS
STAINLESS STEELS
STEELS
STORAGE
STRESS CORROSION
STRESSES
VERY HIGH PRESSURE