Standard No.:	GB/T 21833.1-2020
English Name:	Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger
Chinese Name:	奥氏体-铁素体型双相不锈钢无缝钢管 第1部分：热交换器用管
Chinese Classification:	H48    Steel tube and cast iron pipe
Professional Classification:	GB    National Standard
ICS Classification:	77.140.75 77.140.75    Steel pipes and tubes for specific use 77.140.75
Source Content Issued by:	SAMR; SAC
Issued on:	2020-04-28
Implemented on:	2020-11-1
Status:	valid
Superseding:	GB/T 21833-2008 Austenitic - Ferritic (duplex) grade stainless steel seamless tubes and pipes
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	190.0
Delivery:	via email in 1~2 business day

GB/T 21833的本部分规定了热交换器用奥氏体?铁素体型双相不锈钢无缝钢管的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本部分适用于热交换器用奥氏体-铁素体型双相不锈钢无缝钢管（以下简称钢管)。