ASTM B494/B494M-03 pdf free.Standard Specification for Primary Zirconium.
Samples for chemical tests shall be taken from solidmetal below the surface porosity of the ascast ingot.Thesamples shall be taken from a minimum of three equally spacedlocations along the axial length of the ingot,as prescribed in9.1.1.
The manufacturer shall inspect the material covered bythis specification prior to shipment. If so specified in thepurchase order, the purchaser or his representative may witnessthe testing and inspection of the material at the place ofmanufacture. In such cases the purchaser shall state in hispurchase order which tests he desires to witness.The manu-facturer shall give ample notice to the purchaser as to the timeand place of the designated tests. If the purchaser’s represen-tative does not present himself at the time agreed upon for thetesting,the manufacturer shall consider the requirement forpurchaser’s inspection at place of manufacture to be waived.11.2 The manufacturer shall afford the inspector represent-ing the purchaser，without charge,all reasonable facilities tosatisfy him that the material is being furnished in accordancewith this specification.This inspection shall be so conducted asnot to interfere unnecessarily with the operation of the works.12. Rejection and Rchearing
Material that fails to conform to the requirements ofthis specification may be rejected. Rejection shall be reportedto the producer or supplier promptly and in writing. In case ofdissatisfaction with the results of the test,the producer orsupplier may make claim for a rehearing.
When specified in the purchase order or contract，aproducer’s or supplier’s certification shall be furnished to thepurchaser that the material was manufactured, sampled, tested,and inspected in accordance with this specification and hasbeen found to meet the requirements. When specified in thepurchase order or contract,a report of the test results shall befurnished.
In the event of disagreement between the manufacturerand the purchaser on the conformance of the material to therequirements of this specification or any special test specified by the purchaser, a mutually acceptable referee shall perform the tests in question. The results of the referee ‘s testing shall be used in determining conformance of the material to this specification.ASTM B494 pdf download.