德国 · DIN

1.8912

DIN 17179:1986 — Seamless circular tubes of fine grain steels for special requirements; technical delivery conditions

化学成分

元素minmax相似备注
Al0.02If nitrogen is additionally fixed by niobiumIf nitrogen is additionally fixed by niobium
C0.2
Cr0.3
Cu0.2The value for Copper may be at max0The value for Copper may be at max0
Mn11.7
Mo0.1
N0.02
Nb0.05
Nb+Ti+V0.22
Ni1
P0.03
S0.025
Si0.10.6
TiThe value for Ti may be at max0The value for Ti may be at max0
V0.2

力学性能

热处理 / 状态屈服强度抗拉强度伸长率断面收缩率冲击功硬度
Seamless tubes    12 < d <= 20 mm  (横向)≥410530–680≥19≥39 ISO V-Notch acc. to DIN 50115
Seamless tubes    12 < d <= 20 mm  (纵向)≥410530–680≥21≥63 ISO V-Notch acc. to DIN 50115
Seamless tubes    20 < d <= 40 mm  (横向)≥400530–680≥19≥39 ISO V-Notch acc. to DIN 50115
Seamless tubes    20 < d <= 40 mm  (纵向)≥400530–680≥21≥63 ISO V-Notch acc. to DIN 50115
Seamless tubes    40 < d <= 50 mm  (横向)≥385530–680≥19≥39 ISO V-Notch acc. to DIN 50115
Seamless tubes    40 < d <= 50 mm  (纵向)≥385530–680≥21≥63 ISO V-Notch acc. to DIN 50115
Seamless tubes    50 < d <= 65 mm  (横向)≥375530–680≥19≥39 ISO V-Notch acc. to DIN 50115
Seamless tubes    50 < d <= 65 mm  (纵向)≥375530–680≥21≥63 ISO V-Notch acc. to DIN 50115
Seamless tubes    t <= 12 mm  (横向)≥420530–680≥19≥39 ISO V-Notch acc. to DIN 50115
Seamless tubes    t <= 12 mm  (纵向)≥420530–680≥21≥63 ISO V-Notch acc. to DIN 50115