GB/T 5235-1985 Chemical composition and product shape of processed nickel and nickel alloys GB/T5235-1985 standard download decompression password: www.bzxz.net

Scope of application
National Standard of the People's Republic of China
Wrought nickelsand nickel alloys -Chemical composition and forms ofwrought products
This standard specifies the chemical composition of nickel and nickel alloys and lists the commonly used product forms. 2 Chemical composition
UDC 669.245
:54.01/.02
GB 5235 --85
2.1 The chemical composition of nickel and nickel alloys shall comply with the provisions of Table 1. If the purchaser requires the restriction of elements not specified in Table 1, it can be agreed upon by both parties.
2.2 Bismuth, antimony and arsenic may not be analyzed, but the supplier must ensure that the limit value is not greater than 2.3 After negotiation between the supply and demand parties, DN nickel-silicon-magnesium alloy with Ni+Co+Mg+C not less than 99.65% can be supplied. 2.4 For alloys used as thermocouples, in order to ensure electrical performance, elements with maximum and minimum values ​​are allowed to slightly exceed the provisions in Table 1.
2.5 The copper content of non-electrical N6 nickel can reach 0.10%. 2.6 The rounding of numbers shall be carried out in accordance with the provisions of the Appendix (Rounding of Numbers) of GB1.1-81 "General Provisions for the Preparation of Standards for Standardization I Guidelines".
Processed Product Shapes
Add [The commonly used processed product shapes of nickel and nickel alloys are listed in Table 2. Issued by the National Bureau of Standards in 1985-0722
Implemented in 1986-0701
GB5235
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Thermoelectricity
La Lezhou Nickel United
NCu40-2-1
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GB5235--85
Table 2 Product Shape
) Long small commonly produced products, dense means no product or not commonly produced Jiang
Additional Note:
GB5235—85
This standard is called the standard and can be proposed by the General Company of Nonferrous Metals Industry. This standard is drafted by Liuyang Nonferrous Metals. 、 "Guoxiang, Xishilong, "Fuqing, Zhang is very provincial. This standard should be adjusted from the date of implementation of this standard: the original Ministry of Metallurgical Industry standard YB144-71 "Nickel and Nickel Alloy Additives Chemical Composition" Price Safety, 26
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