STEELS WITH 1-PERCENT CHROME-BORON FOR HIGH-STRENGTH BOLTS

被引：0
|
作者：
ENGINEER, SJ
FINKLER, H
GULDEN, H
KOHLER, H
SARTORIUS, K
机构：
[1] SAARSTAHL AG WERK VOLKLINGEN,VOLKLINGEN,GERMANY
[2] BESTAHL AG WERK VOLKLINGEN,VOLKLINGEN,GERMANY
[3] KRUPP STAHL AG WERKSGRP,QUAL WESEN & FORSCH,SIEGEN,GERMANY
[4] UNTERSUCHUNG KAMAX WERKE RUDOLF KELLERMANN GMBH & CO KG,OSTERODE,GERMANY
来源：
STAHL UND EISEN | 1992年 / 112卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Application of boron steels for high-strength, heat-treated bolts. Improvement of cold formability prior to bolt manufacture and of full hardening during the subsequent heat treatment. Development of boron-alloyed steels 32 CrB 4 and 36 CrB 4 for high-strength bolts of strength classes 10.9 and 12.9 according to DIN ISO 898-1. Effect of boron on the time-temperature-transformation curve and full hardenability. Application of boron in metallurgical processes. Hardenability scatter ranges, core hardness and cold formability of the boron-alloyed steels. Strength and toughness of the boron-alloyed steels after heat treatment. Strength and toughness of the heat-treated bolts at ambient temperature and higher temperatures. Fatigue strength of the bolts. Conclusions and accuracy realized in the adjustment of the boron contents required.
引用
收藏
页码：95 / 101
页数：7
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