牌号 | 标准最大公称厚度,mm | 用途 |
SM400ZL | 200 | 转炉炉壳 |
BB41BF(C D) | 100 | 热风炉炉壳 |
BB503C | 200 |
高炉炉壳 |
BB503D | 150 | |
BB503E | 100 |
牌号 | C | Si | Mn | P | S | AI | Nb | V | Ti | Mo | N(ppm) |
SM400ZL |
0.07 -0.11 |
0.15 -0.35 |
0.90 -1.15 |
≤0.020 | ≤0.015 |
0.020 -0.050 |
0.15 -0.030 |
0.020 -0.035 |
0.010 -0.025 |
0.20 -0.30 |
≤ 100 |
BB41BF(C.D) |
0.05 -0.10 |
0.10 -0.40 |
1.15 -1.45 |
≤0.020 | ≤0.015 |
0.010 -0.050 |
----- |
0.020 -0.040 |
0.008 -0.035 |
---- |
≤ 100 |
BB503(C.D.E) |
0.12 -0.18 |
0.30 -0.60 |
1.25 -1.60 |
≤0.020 | ≤0.015 |
0.010 -0.045 |
0.010 -0.045 |
----- |
0.008 -0.035 |
----- |
≤ 100 |
牌号 | 冲击温度℃ | 厚度,mm | 交货状态 |
SM400ZL | 0 | 8~200 | 正火 |
BB41BFC |
0 |
8~40 | 控轧或正火 |
>40~100 | 正火 | ||
BB41BFD |
-20 |
8~30 | 控轧或正火 |
>30~100 | 正火 | ||
BB503C |
0 |
8~50 | 控轧或正火 |
>50~200 | 正火 | ||
BB503D |
-20 |
8~40 | 控轧或正火 |
>40~150 | 正火 | ||
BB503E | -40 | 8~100 | 正火 |
牌号 |
钢板 厚度 |
拉伸试验 | 夏比V型冲击试验 |
180°弯 曲试2)b=35mm |
|||||
屈服强度 Re,MPa |
抗拉强度Rm,MPa | 伸长率,A,% | 冲击功Akvs,纵向,J | 常温时效冲击功Akvs,纵向,J | |||||
0℃ | -20℃ |
-40 ℃ |
|||||||
SM400ZL |
≤16 | ≥245 |
400-540 |
≥22 ≥22 ≥22 ≥22 ≥22 ≥22 |
≥47 |
---- |
---- |
137-8188-0376 |
d=3a |
>16-40 | ≥235 | ||||||||
>40-75 | ≥215 | ||||||||
>75-100 | ≥215 | ||||||||
>100-160 | ≥205 | ||||||||
>160-200 | ≥195 | ||||||||
BB41BFC BB41BFD |
≤16 | ≥245 |
400-510 |
≥22 ≥22 ≥22 |
≥47 |
≥47 |
---- |
≥34 |
d=2a |
>16-40 | ≥235 | ||||||||
>40-100 | ≥215 | ||||||||
BB503C BB503D BB503E |
≤16 | ≥325 |
490-610 |
≥21 ≥21 ≥21 ≥20 ≥18 |
≥47 |
≥47 |
≥47 |
≥34 |
d=2a |
>16-40 | ≥315 |
d=3a |
|||||||
>40-100 | ≥295 | ||||||||
>100-150 | ≥285 | ||||||||
>150-200 | ≥275 | ||||||||
注1:SM400ZL测定上屈服度ReH,BB41BF.BB503 测定下屈服强度ReL. 注2:b为试样宽度,d为弯曲直径,a为试样厚度。 注3:C级钢对应冲击温度为0℃,D级钢对应冲击温度为-20℃,E级钢对应冲击温度为-40℃. |