Standard No.:	GB/T 18475-2001
English Name:	Thermoplastics materials for pipes and fittings for pressure applications - Classification and designation - Overall service (design) coefficient
Chinese Name:	热塑性塑料压力管材和管件用材料分级和命名 总体使用（设计）系数
Chinese Classification:	G33    Plastic profile
Professional Classification:	GB    National Standard
ICS Classification:	23.040.20 23.040.20    Plastics pipes 23.040.20
Issued by:	AQSIQ
Issued on:	2001-10-24
Implemented on:	2002-5-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90.0
Delivery:	via email in 1~3 business day

本标准规定了压力管材或管件用热塑性塑料的分级和命名，以及管材和管件设计应力的计算方法。本标准适用于压力管材或管件用材料。材料的分级、命名和设计应力的计算方法是以用GB/T 18252《塑料管道系统 用外推法对热塑性塑料管材长期静液压强度的测定》所得的管状试样的耐液压能力（20℃，50年）为基础的。