Số hiệu tiêu chuẩn
EN ISO 4957
Tên tiêu chuẩn
Tool steels (ISO 4957:1999)
Ngày phát hành
1999-12-00
Tiêu chuẩn tương đương
DIN EN ISO 4957 (2001-02), IDT * BS EN ISO 4957 (2000-03-15), IDT * NF A35-590 (2000-05-01), IDT * ISO 4957 (1999-12), IDT * SN EN ISO 4957 (2001-01), IDT * OENORM EN ISO 4957 (2001-02-01), IDT * PN-EN ISO 4957 (2004-04-13), IDT * SS-EN ISO 4957 (1999-12-22), IDT * UNE-EN ISO 4957 (2000-07-26), IDT * UNI EN ISO 4957:2002 (2002-03-01), IDT * STN EN ISO 4957 (2001-09-01), IDT * CSN EN ISO 4957 (2003-01-01), IDT * DS/EN ISO 4957 (2002-06-11), IDT * NEN-EN-ISO 4957:2000 en (2000-01-01), IDT * SFS-EN ISO 4957 (2000-11-10), IDT * SFS-EN ISO 4957:en (2012-10-26), IDT
Thay thế cho
prEN ISO 4957 (1999-09)
Từ khóa
Alloy steels * Chemical composition * Cold work steels * Composition * Definitions * Delivery conditions * Hardness * Heat treatment * High-speed tool steels * Hot-work die steels * Ladle analysis * Material numbers * Materials specification * Mechanical properties * Specification (approval) * Steel bars * Steels * Surfaces * Testing * Tool steels * Unalloyed steels