ASTM B977-B977M-19 free download

09-16-2020 comment

You can download ASTM B977/B977M-19 pdf,and the size is 2.21M.Here are more details:
 This specification covers titanium and titanium alloy ingots as follows:

1.1.1 Grade 1—UNS R50250. Unalloyed titanium,

1.1.2 Grade 2—UNS R50400. Unalloyed titanium,

1.1.3 Grade 3—UNS R50550. Unalloyed titanium,

1.1.4 Grade 4—UNS R50700. Unalloyed titanium,
5. Materials and Manufacture
5.1 Materials covered by this specification are produced by ne of the following methods
5.1.1 double vacuum arc melting,
5.1. 2 triple vacuum arc melting,
5.1.3 electron beam cold hearth melting followed by vacuum arc melting.
5.1.4 plasma arc cold hearth melting followed by vacuum arc melting.
5.1.5 electron beam cold hearth melting.
5.1.6 plasma are cold hearth melting, or
5. 1. 7 other melting process as agreed upon by the purchaser and producer.
5. 2 The melting method used to produce the ingot shall be reported to the purchaser on the certification.
5.3 The melting method shall be at the discretion of the producer, unless specified in the purchase order.
10. Significance of Numerical Limits
10.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in Table 1 and Table 2,an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.
ASTM B977-B977M-19 free download

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