核電站用無縫鋼管
標準:
GB24512.1——中國國家標準
GB24512.2——中國國家標準
用途:
主要生產鋼管牌號:
HD245Cr、HD12Cr2Mo、HD15Ni1MnMoNbCu、106B、P22、Tu48C、P280Gh
組距:
鋼管種類
|
外徑(D)
(mm)
|
壁厚(S)
(mm)
|
熱軋管
|
219~1200
|
8~130
|
力學性能:
標準 |
牌號 |
抗拉強度(MPa) |
屈服強度(MPa) |
伸長率(%) |
沖擊 |
GB24512.1 |
HD245Cr |
410~550 |
≥245 |
≥24 |
|
GB24512.2 |
HD12Cr2Mo |
450~600 |
≥280 |
≥22 |
|
HD15Ni1MnMoNbCu |
620~780 |
≥440 |
≥19 |
|
ASME SA106 |
106B |
≥415 |
≥240 |
見ASME SA106表2 |
|
ASME SA335 |
P22 |
≥415 |
≥205 |
見ASME SA335表4 |
|
NF A49-213 |
Tu48C |
470-570 |
≥275 |
Rm(A-2)≥10500 |
|
M1152 |
P280GH |
470-570 |
≥275 |
Rm(A-2)≥10500
并且≥21 |
0℃或-20℃沖擊≥60J(最小單值≥40J) |
化學成分:
標準 |
牌號 |
化學成分(%) |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Nb |
N |
Sn |
Cu |
V |
Sn |
Al |
Ceq |
GB24512.1 |
HD245Cr |
≤0.22 |
0.15~0.39 |
≤1.04 |
≤0.025 |
≤0.020 |
0.18~0.33 |
≤0.15 |
≤0.25 |
- |
- |
≤0.030 |
≤0.20 |
≤0.08 |
|
|
|
GB24512.2 |
HD12Cr2Mo |
0.07~0.16 |
≤0.54 |
0.37~0.73 |
≤0.030 |
≤0.020 |
1.9~2.6 |
0.86~1.24 |
≤0.30 |
- |
- |
- |
≤0.20 |
≤0.08 |
|
|
|
HD15Ni1MnMoNbCu |
0.09~0.18 |
0.21~0.54 |
0.76~1.24 |
≤0.030 |
≤0.020 |
0.14~0.35 |
0.21~0.44 |
0.95~1.35 |
0.010~0.030 |
≤0.020 |
- |
0.45~0.85 |
≤0.02 |
|
|
|
ASME SA106 |
106B |
≤0.30 |
≥0.10 |
0.29~1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
- |
- |
- |
≤0.40 |
≤0.08 |
|
|
|
ASME SA335 |
P22 |
0.05-0.15 |
≤0.50 |
0.30-0.60 |
≤0.025 |
≤0.025 |
1.90~2.60 |
0.87~1.13 |
|
|
|
|
|
|
|
|
|
NF A49-213 |
Tu48C熔煉分析 |
≤0.22 |
0.10-0.35 |
0.65-1.25 |
≤0.035 |
≤0.035 |
|
|
|
|
|
|
≤0.25 |
|
≤0.030 |
|
|
Tu48C成品分析 |
≤0.24 |
0.09-0.40 |
0.60-1.30 |
≤0.040 |
≤0.040 |
|
|
|
|
|
|
≤0.25 |
|
≤0.030 |
|
|
M1152 |
P280GH熔煉分析 |
≤0.20 |
0.10-0.35 |
0.80-1.60 |
≤0.020 |
≤0.015 |
≤0.25 |
≤0.10 |
≤0.50 |
|
|
|
≤0.25 |
|
≤0.030 |
0.020-0.050 |
≤0.48 |
P280GH成品分析 |
≤0.22 |
0.10-0.40 |
0.80-1.60 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.10 |
≤0.50 |
|
|
|
≤0.25 |
|
≤0.030 |
0.020-0.050 |
≤0.48 |