特种不锈钢无缝管
Special seamless stainless tube
尿素用不锈钢管 Urea stainless tube
· 用途：只用于制造尿素生产装置的汽提塔、自汽堤—分塔、高压—段分离器、CO2压缩机三段冷却塔、高压管路等设备
· Usage：applied in manufacturing the devices as air stripping towwe, high pressure seperator, CO2 compressor cooling tower and high pressure piping, tec
· 订货标准Standard：GB13296/ASME SA-213/ASTM A213/JIS G3463等国内外标准，企标（and enprise standards, plant protocol,etc.)022-26759888
· 可供规格Size：外径outside diameter：16~219mm；壁厚wall thickness：1~20mm
主要钢种（牌号）的化学成分和性能 chemical composition and performance of main grade（trademark）
|
牌号
trademark
|
化学成分chemical composition
|
力学性能
mechanical property
|
|
C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
N
|
S
|
P
|
Rm
|
Rp0.2
|
A
|
|
Wt%
|
MPa
|
MPa
|
%
|
|
316Lmod
|
≤0.03
|
≤2.0
|
≤1.0
|
17.0-18.5
|
13.0-15.0
|
2.2-3.0
|
≤0.22
|
≤0.030
|
≤0.030
|
≥520
|
≥206
|
≥35
|
|
2RE69
(00Cr25Ni22Mo2N)
|
≤0.02
|
≤1.5
|
≤0.4
|
24.0-26.0
|
21.0-23.0
|
2.0-3.0
|
0.10-0.14
|
≤0.015
|
≤0.020
|
≥539
|
≥225
|
≥30
|
|
0Cr17Mn13Mo2N
(A4)
|
≤0.08
|
12.0-15.0
|
≤0.7
|
16.5-18.5
|
-
|
1.8-2.2
|
0.20-0.30
|
≤0.020
|
≤0.045
|
≥736
|
≥441
|
≥30
|
注：根据用户需要可生产上表以外的牌号。
| 
