Số hiệu tiêu chuẩn
EURONORM 31
Tên tiêu chuẩn
Semi-finished products for free hammer forging; deviation tolerances for dimension, form and weight
Ngày phát hành
1969-04-00
Tiêu chuẩn tương đương
99/716395 DC (1999-11-09), MOD * BS 970-1 (1983-05-31), NEQ * BS EN 10031 (2003-03-27), NEQ * NF A43-301 (1983-11-01), MOD * UNI 7063 (1978), MOD * NEN-EU 31 (1986), IDT * NEN-EU 31:1986 nl (1986-12-01), IDT
Từ khóa
Alloy steels * Definitions * Dimensional tolerances * Dimensions * Forgings * Form tolerances * Heat-treatable steels * Hot-working * Semi-finished products * Shape * Smith hammer forgings * Steels * Structural steels * Tolerances (measurement) * Unalloyed steels * Weight tolerances * Weights * Forged steels * Forging * Hammer forging