Standard No.:	T/CNCA 040-2022
English Name:	Coated composite steel pipe for centralized liquid supply in mining
Chinese Name:	矿用集中供液用涂层复合钢管
Chinese Classification:	D90;D99
Professional Classification:	T/    Social Organization Standard
ICS Classification:	23.040.10 23.040.10    Iron and steel pipes 23.040.10
Issued by:	CNCA
Issued on:	2022-12-30
Implemented on:	2023-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.00
Delivery:	via email in 1~3 business day

本文件规定了矿用集中供液用涂层复合钢管（简称涂层钢管）的产品分类、型号标记、材料、技术要求、试验方法、检验规则及标志、包装、运输和贮存。
本文件适用于煤矿井下公称尺寸不大于DN 200、介质温度为0 ℃～45 ℃、额定工作压力不大于100 MPa的煤矿机械液压系统矿用集中供液用涂层复合钢管。