ASTM B474-03 pdf free.Standard Specification for UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire.
The product of UNS N08020 alloyshall be furnished in the stabilized-annealed condition. Theproduct of UNS N08026 alloy shall be furnished in thesolutionannealed condition. The product of UNS N08024alloy shall be furnished in the annealed condition.The material shall conform to the requirements as tochemical composition prescribed in Table 1. If a product (check) analysis is performed by thepurchaser，the material shall conform to the product (check)analysis variations prescribed in Table 2.Bars shall be furnished annealed and either hot finishedor cold finished. Strain-hardened material is available only ascold finished.Wire will be furnished only as annealed and coldfinished. Mechanical Properties:The material shall conform to the applicable require-ments as to mechanical properties prescribed in Table 3.9.Dimensions and Permissible Variations
Bars shall conform to the variations in dimensionsprescribed in Tables 4-12, inclusive, as applicable.Wire shall conform to the permissible variationsin dimensions prescribed in Tables 13-17, inclusive, as applicable.
Workmanship,Finish, and Appearance:The product shall be uniform in quality and condition,smooth,commercially straight or flat，and free of injuriousimperfections.Sampling11.1 Lot:A lot for chemical analysis shall consist of one heat.A lot for mechanical properties shall consist of allmaterial from the same heat, nominal diameter or thickness, ofeach heat-treatment charge.
Test Material Selection:Representative samples shall betaken during pouring or subsequent processing.Check analysis shall be wholly the responsibilityof the purchaser.Samples of the material toprovide test specimens shall be taken from such locations ineach lot as to be representative of that lot.One test per lot.One test per lot.13.Specimen Preparation:Tension test specimens shall be taken from the materialafter final heat treatment,and shall be selected in the longitu-dinal direction.The tension test specimens shall conform to theappropriate sections of Test Methods E 8.If specified,source inspection of the material by thepurchaser at the manufacturer’s plant shall be made as agreedupon between the purchaser and the manufacturer as part of thepurchase contract.ASTM B474 pdf download.