Specification for non-calibrated short link steel chain (grade 30) for general engineering purposes: class 1 and 2
Specification for non-calibrated short link steel chain (grade 30) for general engineering purposes: class 1 and 2
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What is BS 6405 - Non-calibrated short link steel chain about? BS 6405 provides guidelines and specifications for a Non-calibrated short link steel chains for general engineering purposes. BS 6405 standard deals with non-calibrated short link steel chain of grade 30 for general engineering purposes and provides for two qualities, class 1 quality chain for arduous duties such as lashing or load binding and class 2 quality chain for general duties. Note 1: Notwithstanding the usage permitted by the withdrawn BS 590, the chain produced to BS 6405 is not considered suitable for lifting purposes. Note 2: This recognizes the lack of suitable compatible connecting components, such as hooks, and the trend, in lifting operations, towards the use of higher tensile strength steels for chain and other components as reflected by international standards and British Standards. Note 3: Calibrated chain has not been included in BS 6405 because of the wide variation in the design of pocketed wheels for use with this grade of chain, which makes it impractical to standardize the proportions of the chain links.
Who is BS 6405
Другие стандарты BS