德国 · DIN

1.0488

DIN EN 10028-3:2009 — 压力平板钢产品-第3部分:可焊接细晶粒钢，正火

化学成分

元素minmax相似备注
Al0.02The Altot content may fall short this minimum if niobiumThe Altot content may fall short this minimum if niobium
C0.16
CEV0.4for t <= 100mm; CEV = max.0.42 for 100 < t <= 250mm; CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15for t <= 100mm; CEV = max.0.42 for 100 < t <= 250mm; CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15
Cr0.3
Cr+Cu+Mo0.45
Cu0.3
Mn0.81.5For t < 6 mm Mn = min.0.60%For t < 6 mm Mn = min.0.60%
Mo0.08
N0.012
Nb0.05
Nb+Ti+V0.05
Ni0.5
P0.025
S0.015
Si0.4
Ti0.03
V0.05

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
Flat products  正火(+N)  100 < t <= 150 mm  (t - 厚度)≥225360–480≥23 after fracture
Flat products  正火(+N)  150 < t <= 250 mm  (t - 厚度)≥215350–470≥23 after fracture
Flat products  正火(+N)  16 < t <= 40 mm  (t - 厚度)≥265390–510≥24 after fracture
Flat products  正火(+N)  40 < t <= 60 mm  (t - 厚度)≥255390–510≥24 after fracture
Flat products  正火(+N)  5 < t <= 250 mm  (横向)≥60 KV (0°C)；≥50 KV (0°C)；≥35 KV (-20°C)；≥27 KV (-40°C)
Flat products  正火(+N)  60 < t <= 100 mm  (t - 厚度)≥235370–490≥23 after fracture
Flat products  正火(+N)  t <= 16 mm  (t - 厚度)≥275390–510≥24 after fracture
Flat products  正火(+N)  t <= 40 mm  (纵向)≥80 KV (0°C)；≥70 KV (0°C)；≥50 KV (-20°C)；≥40 KV (-40°C)；≥30 KV (-50°C)

高/低温力学性能

冲击功 Kv/Ku (J)
热处理 / 状态温度 ℃min备注
Flat products  正火(+N)  t <= 40 mm  (纵向)-2050KV; Min. impact energy values of 40J may be agreed.
Flat products  正火(+N)  t <= 40 mm  (纵向)-4040KV; Min. impact energy values of 40J may be agreed.
Flat products  正火(+N)  t <= 40 mm  (纵向)-5030KV; Min. impact energy values of 40J may be agreed.
Flat products  正火(+N)  5 < t <= 250 mm  (横向)-2035KV; Min. impact energy values of 40J may be agreed.
Flat products  正火(+N)  5 < t <= 250 mm  (横向)-4027KV; Min. impact energy values of 40J may be agreed.