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 |
| Specification for Piping Fittings of Wrought | A234/A234M |
| Specification for Wrought Austenitic Stainless | A403/A403M |
| Specification for Piping Fittings of Wrought Carbon | A420/A420M |
| Specification for Butt-Welding, Wrought-Carbon | A758/A758M |
| Specification for As-Welded Wrought Austenitic | A774/A774M |
| Specification for Wrought Ferritic, Ferritic/Austenitic, | A815/A815M |
| Specification for Heat-Treated Carbon Steel | A858/A858M |
| Specification for Wrought High-Strength | 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 i......
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