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API STD 4

SPECIFICATION FOR STEEL DERRICKS; SUPPLEMENT 1-1976, INCLUDES FORMS 4A1 AUGUST 1962, 4A2 AUGUST 1962, 4B1 AUGUST 1962, 4B2 AUGUST 1962 (WITHDRAWN)

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Organization: API
Publication Date: 1 April 1967
Status: inactive
Page Count: 46
scope:

Coverage. This specification covers steel derricks and steel substructures. It includes stipulations on materials, design features, loadings, and allowable stresses. Recommended practices on the erection, care, and use of steel derricks are included as an appendix.

Document History

API STD 4
April 1, 1967
SPECIFICATION FOR STEEL DERRICKS; SUPPLEMENT 1-1976, INCLUDES FORMS 4A1 AUGUST 1962, 4A2 AUGUST 1962, 4B1 AUGUST 1962, 4B2 AUGUST 1962 (WITHDRAWN)
Coverage. This specification covers steel derricks and steel substructures. It includes stipulations on materials, design features, loadings, and allowable stresses. Recommended practices on the...
January 1, 1959
SPECIFICATION FOR STEEL DERRICKS (INCLUDING STANDARD RIGS)
This specification covers steel derricks, steel substructures, and standard rigs. It includes stipulations on materials, design features, loadings, and allowable stresses. Recommended practices on...
January 1, 1952
SPECIFICATION for STEEL DERRICKS (Including Standard Rigs)
This specification covers steel derricks, steel substructures, and standard rigs. It includes stipulations on materials, design features, loadings, and allowable stresses. Recommended practices on...
March 1, 1939
RIG IRON STANDATDS
FOREWORD These specifications were prepared by the A.P.I. Committee on the Standardization of Rig Irons. In January, 1937, this Committee was merged with the Institute's Committee on the...
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