ASTM-A960 Standard Specification for Common Requirements for Wrought Steel Piping Fittings

ASTM-A960 - 2016A EDITION - CURRENT
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This specification covers the common requirements that shall apply to wrought steel piping fittings. The material shall consist of forgings, bars, plates, and seamless or welded tubular products. Ferritic steels shall be fully killed. Hollow cylindrically shaped parts up to and including NPS 4 may be machined from bar or seamless tubular material. Elbows, return bends, tees, and header tees shall not be machined directly from bar stock. The following procedures shall be done for heat treatment: full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving, and quench and temper. Chemical analysis, heat analysis, and product analysis shall also be done. The chemical requirements shall conform to the required compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, columbium, titanium, aluminum, lead, and copper. The following tests shall be done for the mechanical requirements: tension, hardness, impact, and hydrostatic tests.

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Scope

1.1 This specification covers a group of common requirements that shall apply to wrought steel piping fittings covered in any of the following individual product specifications or any other ASTM specification that invokes this specification or portions thereof:

Title of Specification

ASTM
Designation

Specification for Piping Fittings of Wrought
  Carbon Steel and Alloy Steel for Moderate and
  Elevated Temperatures

A234/A234M

Specification for Wrought Austenitic Stainless
  Steel Piping Fittings

A403/A403M

Specification for Piping Fittings of Wrought Carbon
  Steel and Alloy Steel for Low-Temperature Service

A420/A420M

Specification for Butt-Welding, Wrought-Carbon
  Steel, Piping Fittings with Improved Notch Toughness

A758/A758M

Specification for As-Welded Wrought Austenitic
  Stainless Steel Fittings for General Corrosive
  Service at Low and Moderate Temperatures

A774/A774M

Specification for Wrought Ferritic, Ferritic/Austenitic,
  and Martensitic Stainless Steel Piping Fittings

A815/A815M

Specification for Heat-Treated Carbon Steel
  Fittings for Low-Temperature and Corrosive Service

A858/A858M

Specification for Wrought High-Strength
  Low-Alloy Steel Butt-Welded Fittings

A860/A860M

1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.

1.3 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (See 4.1.8). The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and the tables, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the specification. The inch-pound units shall apply unless the “M” designation [SI] of the product specification is specified in the order.

Keywords

austenitic stainless steel; corrosive service applications; ferritic/austenitic stainless steel; ferritic stainless steel; high strength low alloy steel; martensitic stainless steel; piping applications; pressure containing parts; pressure vessel service; stainless steel fittings; temperature service applications-elevated; temperature service applications-low; temperature service applications-moderate ;; ICS Number Code 23.040.40 (Metal fittings); 77.140.20 (Stainless steels)

To find similar documents by ASTM Volume:

01.01 (Steel--Piping, Tubing, Fittings)

To find similar documents by classification:

23.040.40 (Metal fittings)

77.140.20 (Stainless steels Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc.)

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Document Number

ASTM-A960/A960M-16a

Revision Level

2016A EDITION

Status

Current

Modification Type

Revision

Publication Date

Dec. 15, 2016

Document Type

Specification

Page Count

11 pages

Committee Number

A01.22