DL/T 439-2006

DL/T 439-2006 火力发电厂高温紧固件技术导则 (英文版)

The technical guide for high-temperature bolt of fossil-fired power plant

2006-05-06

2006-10-01

30

10.00元

是

400.00元

PDF/Word

Contents
Foreword
1. Scope
2. Normative references
3. Material selection principles
4. Inspection and replacement scrapping
5. Bolt tightening and disassembly
6. Technical file management
Annex A (Informative) Chemical Position and Mechanical Properties of Bolts in Common Use
Annex B (Informative) Heat Treatment Process and Stress Relaxation Curve of Commonly Used Bolt Material
Annex C (Informative) Grain Level, Mechanical Properties and Acceptance Criteria of 20CrlMoIVNbTIB High-Temperature Steel

DL/T 439 English Version