核电站用无缝钢管
标准:
GB24512.1——中国国家标准
GB24512.2——中国国家标准
用途:
主要生产钢管牌号:
HD245Cr、HD12Cr2Mo、HD15Ni1MnMoNbCu、106B、P22、Tu48C、P280Gh
组距:
钢管种类
|
外径(D)
(mm)
|
壁厚(S)
(mm)
|
热轧管
|
219~1200
|
8~130
|
力学性能:
标准
|
牌号
|
抗拉强度(MPa)
|
屈服强度(MPa)
|
伸长率(%)
|
冲击
|
GB24512.1
|
HD245Cr
|
410~550
|
≥245
|
≥24
|
|
GB24512.2
|
HD12Cr2Mo
|
450~600
|
≥280
|
≥22
|
|
HD15Ni1MnMoNbCu
|
620~780
|
≥440
|
≥19
|
|
ASME SA106
|
106B
|
≥415
|
≥240
|
见ASME SA106表2
|
|
ASME SA335
|
P22
|
≥415
|
≥205
|
见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℃冲击≥60J(最小单值≥40J)
|
化学成分:
标准
|
牌号
|
化学成分(%)
|
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熔炼分析
|
≤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熔炼分析
|
≤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
|