德国 · DIN

1.8912

DIN EN 10025-3:2005 — 热轧结构钢产品 - 第3部分：正火/正火轧制的可焊接细晶粒结构钢的交货技术条件。

化学成分

元素minmax相似备注
Al0.015If sufficient nitrogen-binding elemets are presentIf sufficient nitrogen-binding elemets are present
C0.22
CEV0.48for t <= 63mm; CEV = max.0.50 for 63 < t <= 100mm; CEV = max.0.52 for 100 < t <= 250mmfor t <= 63mm; CEV = max.0.50 for 63 < t <= 100mm; CEV = max.0.52 for 100 < t <= 250mm
Cr0.35
Cu0.6Cu content above 0Cu content above 0
Mn0.951.8
Mo0.13
N0.027
Nb0.06
Ni0.85
P0.03For long products the P content can be 0For long products the P content can be 0
S0.025For long products the S content can be 0For long products the S content can be 0
Si0.65
Ti0.06
V0.22

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
热轧品  正火  100.0 < t <= 150.0 mm≥340500–650≥18 Lo=5.65√So
热轧品  正火  150.0 < t <= 200.0 mm≥330500–650≥18 Lo=5.65√So
热轧品  正火  16.0 < t <= 40.0 mm≥400520–680≥19 Lo=5.65√So
热轧品  正火  200.0 < t <= 250.0 mm≥320500–650≥18 Lo=5.65√So
热轧品  正火  40.0 < t <= 63.0 mm≥390520–680≥19 Lo=5.65√So
热轧品  正火  63.0 < t <= 80.0 mm≥370520–680≥18 Lo=5.65√So
热轧品  正火  80.0 < t <= 100.0 mm≥360520–680≥18 Lo=5.65√So
热轧品  正火  t <= 16.0 mm≥420520–680≥19 Lo=5.65√So
热轧品  正火    (横向)≥16 Charpy V Notch (-50°C)；≥20 Charpy V Notch (-40°C)；≥23 Charpy V Notch (-30°C)；≥27 Charpy V Notch (-20°C)；≥30 Charpy V Notch (-10°C)；≥34 Charpy V Notch (0°C)；≥40 Charpy V Notch (20°C)
热轧品  正火    (纵向)≥27 Charpy V Notch (-50°C)；≥31 Charpy V Notch (-40°C)；≥40 Charpy V Notch (-30°C)；≥47 Charpy V Notch (-20°C)；≥51 Charpy V Notch (-10°C)；≥55 Charpy V Notch (0°C)；≥63 Charpy V Notch (20°C)

高/低温力学性能

冲击功 Kv/Ku (J)
热处理 / 状态温度 ℃min备注
热轧品  正火    (横向)-1030Charpy V Notch
热轧品  正火    (横向)-2027Charpy V Notch
热轧品  正火    (横向)-3023Charpy V Notch
热轧品  正火    (横向)-4020Charpy V Notch
热轧品  正火    (横向)-5016Charpy V Notch
热轧品  正火    (纵向)-1051Charpy V Notch
热轧品  正火    (纵向)-2047Charpy V Notch
热轧品  正火    (纵向)-3040Charpy V Notch
热轧品  正火    (纵向)-4031Charpy V Notch
热轧品  正火    (纵向)-5027Charpy V Notch