Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM F844-04e1
Năm ban hành 2004
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Specification for Washers, Steel, Plain (Flat), Unhardened for General Use
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 4
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This specification covers round and miscellaneous shape steel plain (flat) washers furnished in an unhardened condition.1.2 The washers are intended for general use bolt, nut, and stud applications to provide increased bearing surface, spacing, and to prevent galling.1.3 Unless otherwise specified, the washers are furnished with dimensions conforming to B18.22.1, Type A, Tables 1A and Tables 1B.1.4 Hardened washers for use with heat-treated structural bolts are covered by Specifications F 436 and F 436M.
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