超级奥氏体不锈钢无缝钢管
Super austenitic stainless steel tube 022-2675-9888
· 可供规格size： 热挤压管hot extrusion tube：外径OD：48~325mm；壁厚WT：4~40mm；
冷加工管cold rolling tube：外径OD：5.8~273mm；壁厚WT：0.3~35mm。
· 订货标准standard：ASTM A312/ASME SB677，企业标准，技术协议 http://www.tjswfggc.com
· 交货状态condition：热挤压hot extrusion；冷加工cold rolling；热处理heat treatment
主要钢种（牌号）的化学成分和性能chemical composition and performance of main steel grade(trademark)
|
ASTM UNS
|
牌号
grade
|
化学成分chemical composition
|
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
Cu
|
N
|
Fe
|
|
WT%
|
|
N08904
|
904L
|
≤0.020
|
≤1.00
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≤2.00
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≤0.045
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≤0.035
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23.0-28.0
|
19.0-23.0
|
4.0-5.0
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1.0-2.0
|
-
|
余
|
|
N08367
|
AL-6XN
|
≤0.030
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≤1.00
|
≤2.00
|
≤0.040
|
≤0.040
|
23.5-25.0
|
20.0-22.0
|
6.0-7.0
|
≤0.75
|
0.18-0.25
|
余
|
|
S31254
|
254SMo
|
≤0.020
|
≤0.80
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≤1.00
|
≤0.030
|
≤0.010
|
17.5-18.5
|
19.5-20.5
|
6.0-6.5
|
0.5-1.0
|
0.18-0.22
|
余
|
|
S32654
|
654SMo
|
≤0.020
|
≤0.30
|
2.0-4.0
|
≤0.005
|
≤0.005
|
21.0-23.0
|
24.0-25.0
|
7.0-8.0
|
0.3-0.6
|
0.45-0.55
|
余
|
室温力学性能room-temperature mechanical property
|
ASTM UNS
|
热处理温度
Temperature
|
抗拉强度
Rm, min,MPa
|
屈服强度
Rp0.2%,min,MPa
|
伸长率
A50,min,%
|
|
N08904
|
≥1100℃
|
490
|
220
|
35
|
|
N08367
|
≥1100℃
|
690
|
310
|
30
|
|
S31254
|
≥1150℃
|
675
|
310
|
35
|
|
S32654
|
≥1150℃
|
750
|
430
|
35
|
晶间腐蚀性能intergranular corrosion resistance
按ASTM G28A法（硫酸铁-硫酸法）测定的腐蚀速率
Intergranular corrosion resistance according to ASTM G28(ferric sulfate- sulfuric acid method)
|
钢种
grade
|
状态
condition
|
时间
(h)
|
腐蚀速率
mm/a
|
腐蚀深度
(μm)
|
|
N08904
|
固溶solution
|
120
|
0.35
|
≤50
|
按ASTM 262C法65%硫酸法测定的腐蚀速率
Intergranular corrosion resistance according to ASTM 262(65% HNO3)
|
钢种
grade
|
状态
condition
|
腐蚀速率corrosion rate(mm/a)
|
平均腐蚀深度
corrosion rate(mm/a)
|
|
一
|
二
|
三
|
四
|
五
|
|
时间/48h
|
时间/48h
|
时间/48h
|
时间/48h
|
时间/48h
|
|
N08904
|
固溶solution
|
0.19
|
0.18
|
0.29
|
0.48
|
0.67
|
0.36
|
| 
