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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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SA335P91 和SA213T91 材料焊接在电站锅炉上的应用
2 e: i g1 L9 b a6 L3 u- I8 _% r( N哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
2 W y+ d# q! e" A4 N摘要 SA335P91 和SA213T91 材料具有良好的力学性能、耐高温性能、抗腐蚀性能以及抗蠕变性能,在工作环7 }. o0 a1 a7 w
境比较恶劣的环境下完全能够保证设备的稳定运行,但该材料的焊接性能差,工艺要求难度大。针对其特点提出2 q5 A! v; l+ k: B+ a- d
了合理的焊接工艺措施,并已将其应用于锅炉受热部件的制造中,产品运行可靠。) W& J* }: q% Q0 L; p. z9 p0 c
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
`9 U! [) ?" r3 |# NWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
1 I5 [3 x9 K4 m0 uHarbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun; J- C& h6 J* N; p' ]! Q0 n/ q5 ^
Abstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2* @% }$ h# B6 Y2 Z8 Q
tance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high' t+ U" w* W' T: w/ i% j2 r
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
* g- @2 y& _6 h Inology has been used in the manufacturing of boiler heating parts and the quality is reliable.) ~2 ]# ?, H" z& e E' V- Z
Key words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld' o6 `9 z9 P1 P1 I8 g
0 前 言
# A4 v) B6 f( C* Z; MSA335P91 和SA213T91 材料是我公司近年来在集: s: y- E# b6 f8 b2 a
箱及受热面管子上采用的新材料,该钢种属于马氏体
# \$ _9 i- V) b( ^热强性钢,主要用于过热器集箱、再热器集箱的管接头
0 R e9 y/ U2 k* |0 D3 ^1 @; |, J及与它们相连接的受热面管子。
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[ 本帖最后由 wanglinyou 于 2007-6-7 19:45 编辑 ] |
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发表于 2007-6-7 16:41:45
