Số hiệu tiêu chuẩn
ISO 4957
Tên tiêu chuẩn
Tool steels
Ngày phát hành
1980-09-00
Tiêu chuẩn tương đương
DIN 17350 (1980-10), MOD * JIS G 7701 (2000-01-20), IDT * PN-H-94055 (1992-06-11), NEQ * SS 141880 (1982-05-20), MOD * SS 142140 (1982-05-20), MOD * SS 142242 (1985-06-25), MOD * SS 142260 (1982-05-20), MOD * SS 142310 (1982-05-20), MOD * SS 142312 (1982-05-20), MOD * SS 142314 (1982-05-20), MOD * SS 142710 (1982-05-20), MOD * SS 142715 (1989-10-18), MOD * SS 142716 (1989-10-18), MOD * SS 142722 (1989-10-18), MOD * SS 142723 (1989-10-18), MOD * SS 142725 (1989-10-18), MOD * SS 142726 (1989-10-18), MOD * SS 142727 (1989-10-18), MOD * SS 142737 (1989-10-18), MOD * PNE 36-018 PARTE 3, IDT * PNE 36-018 PARTE 4, IDT * PNE 36-018-PARTE 1, IDT * PNE 36-018-PARTE 2, IDT * UNI 2955/1 (1982), MOD * UNI 2955/2 (1982), MOD * UNI 2955/3 (1982), MOD * UNI 2955/4 (1982), MOD * UNI 2955/5 (1982), MOD
Thay thế bằng
ISO 4957 (1999-12)
Từ khóa
Chemical composition * Hardness * Heat treatment * Materials specification * Steels * Testing * Tests * Tool steels