双相钢管 下载
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双相不锈钢管有较高的机械强度，良好的延伸率和焊接能力，不需要预热焊前和焊后热处理，较低的热膨胀，优良的抗应力腐蚀开裂，点蚀和缝隙腐蚀，及不同的环境中一般腐蚀高抗性。双相不锈钢管应用于热交换器可被使用于炼油工业，石化厂，造纸和纸浆工业，食糖及饮料工业。
标准: ASTM/ASME A789/SA789, A790/SA790
材质: UNS S32750, S31803, S32760 etc.
化学成分
|
材质
|
C
最大值
|
Si
最大值
|
Mn
最大值
|
P
最大值
|
S
最大值
|
Cr
|
Ni
|
Mo
|
N
|
Cu
|
|
S32750
|
0.030
|
0.8
|
1.2
|
0.030
|
0.015
|
24.0-26.0
|
6.0-8.0
|
3.0-5.0
|
0.24-0.32
|
0.5max
|
|
S32760
|
0.03
|
1.0
|
1.0
|
0.030
|
0.010
|
24.0-26.0
|
6.0-8.0
|
3.0-4.0
|
0.20-0.30
|
0.5-1.0
|
|
S31803
|
0.030
|
1.0
|
2.0
|
0.030
|
0.020
|
21.0-23.0
|
4.50-6.50
|
2.50-3.50
|
0.08-0.20
|
|
物理性能
|
材质
|
屈服强度 MPa
最小值
|
拉力强度 MPa
最小值
|
延伸率%
最小值
|
硬度HRC
最大值
|
|
S32750
|
550
|
800
|
15
|
31
|
|
S32760
|
550
|
820
|
25
|
|
|
S31803
|
450
|
620
|
25
|
31
|
喷标：JW，材质，标准，规格，炉号
长度：不定尺或者定尺
包装：编织带捆扎，木箱或者铁框架箱
质保书：依照EN10204 3.2
增值服务
第三方检测
光亮退火，内表面抛光及外表面抛光
光亮退火，内表面抛光及外表面抛光
尺寸范围
|
W.T.(mm)
|
1
|
1.2
|
1.5
|
1.65
|
2
|
2.11
|
2.5
|
3
|
3.5
|
4
|
4.5
|
5
|
5.5
|
6
|
6.5
|
7
|
7.5
|
8
|
8.5
|
9
|
10
|
|
O.D.(mm)
|
|||||||||||||||||||||
|
15
|
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16
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18
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|
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19.05
|
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22
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25.4
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|
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31.8
|
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|
35
|
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38.1
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42
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45
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50.8
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55
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|
60
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|
65
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|
70
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|
75
|
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80
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 Top
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