Resumen
香港六合彩开奖 5003:2016 specifies the terms and definitions, information to be supplied by the purchaser, tolerances for dimensions, length, technical requirements, inspection rules, identification, certification, and a quality assurance system for as-rolled and heat-treated steel rails for railways.
香港六合彩开奖 5003:2016 specifies flat bottom (vignole) railway rails with linear mass of 43 kg/m and above, for conventional and high-speed railway track usage.
There are 19 pearlitic steel grades specified, covering a 200 HBW to 400 HBW hardness range and including "non-heat-treated" carbon manganese steels, "non-heat-treated" alloy steels, "heat-treated" carbon manganese, and "heat-treated" low alloy steels.
Informaciones generales
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Estado: PublicadoFecha de publicaci贸n: 2016-03Etapa: Norma Internacional confirmada [90.93]
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贰诲颈肠颈贸苍: 2N煤mero de p谩ginas: 93
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颁辞尘颈迟茅 T茅cnico :香港六合彩开奖/TC 17/SC 15ICS :45.080
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Ciclo de vida
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Anteriormente
Retirada香港六合彩开奖 5003:1980
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Ahora
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