SUS440A / SUS440B
작성자 : 관리자(test@test.com) 작성일 : 2026-03-26 조회수 : 23
Type 440A Stainless
 
(UNS S44002)
 
Single Figures are Maximums
 
0.60/0.75 C, 1.00 Mn, 0.04 P, 0.03 S, 1.00 Si, 16.00/18.00 Cr, 0.75 Mo, Bal. Fe
 
High-carbon chromium steel. Provides stainless properties with excellent hardness. Attains a hardness of Rockwell C 56 and maximum toughness when heat-treated.


Type 440B Stainless
 
(UNS S44003)
 
Single Figures are Maximums
 
0.75/0.95 C, 1.00 Mn, 0.040 P, 0.030 S, 1.00 Si, 16.00/18.00 Cr, 0.75 Mo, Bal. Fe

This high-carbon chromium steel attains hardness of Rockwell C 58 when heat-treated. Has been used for cutlery, hardened balls, and similar parts.
 
파일첨부 :
이전글 Custom 630 / 17-4PH
다음글 NICKEL ALLOY 화학성분 및 기계적성질
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