D14 COMMITTEE ON MACHINERY AND EQUIPMENT

Specification for the Design of Welded Joints in Machinery and Equipment

This specification establishes common acceptance criteria for classifying and applying carbon and low-alloy steel welded joints used in the manufacture of machines and equipment. It also covers weld joint design, workmanship, quality control requirements and procedures, weld joint inspection, nondestructive testing, repair of weld defects, and postweld treatment.

Specification for Welding of Presses and Press Components

Requirements are presented for the design and fabrication of cyclically loaded press weldments, which includes the weld repair of new and existing components. Filler metals and weld procedure specifications are recommended for the applicable base metals that are limited to those consisting of carbon and low-alloy steels. Allowable unit stresses are provided for weld metal and base metal for various cyclically loaded joint designs.
This specification does not address the fabrication or weld repair of pressure containing components such as hydraulic cylinders, air cylinders, or die cushions.

Specification for Welding of Rotating Elements of Equipment

This specification establishes material and workmanship standards for manufacturers, fabricators, repair organizations, purchasers, and owner/operators of rotating equipment which are fabricated or repaired by welding. Included are clauses defining process qualifications, operator qualifications, quality control, inspection requirements, and repair requirements.

Recommended Practices for Surfacing and Reconditioning of Industrial Mill Rolls (Historical)

This standard provides guidance, based upon experience, for preparing, building up and overlaying by welding, postweld heat treating, finish machining, inspecting, and record-keeping of new and reconditioned industrial mill rolls.

Standard Methods for the Avoidance of Cold Cracks

The purpose of this document is to compare currently available methods for determining welding procedures for avoiding hydrogen induced cold cracking during fabrication. This is the U.S. national adoption of ISO 17844:2004, Welding – Comparison of standardized methods for the avoidance of cold cracks. This identical adoption (IDT) retains the technical content, structure, and wording of the ISO document, although it contains the following editorial changes: (1) the decimal comma has been replaced by the decimal point, and (2) the words “this International Standard” have been replaced by “this standard.”

Specification for the Welding of Hydraulic Cylinders

This specification provides standards for the design and manufacture of pressure containing welded joints and structural welded joints used in the manufacture of hydraulic cylinders. Manufacturer’s responsibilities are presented as they relate to the welding practices that have been proven successful within the industry in the production of hydraulic cylinders. Included are clauses defining procedure qualification, performance qualification, workmanship and quality requirements as well as inspection requirements and repair requirements.