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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( L7 a1 o$ ^! P( j9 t9 D
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军0 G" h+ l9 X- c) T
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4 D, |2 O8 I! W; d6 O: ]- 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0 q* `- Y8 l" ^5 U3 `" P& R
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。7 ]' z& `" d2 U* }1 A5 Y& U
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝2 q. t7 g, s# w' I
WELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
2 i3 V& o3 _* W% l6 Q9 KHarbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
. |8 M! {1 `9 A* U6 ?6 o3 h2 @ a6 xAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis20 s& ?" C$ O+ H5 ~! M& n
tance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high
* ?, h1 \& \" I+ B9 Ttechnology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2! p/ S* M: C% [; J y0 |$ c
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.
0 I0 q8 q* _: wKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld6 i. j2 \" a( V) K* ]* M* Q, ~, F
0 前 言9 b- I0 ^& P/ u4 V9 ?8 \. N% m
SA335P91 和SA213T91 材料是我公司近年来在集
' }# a! ?! j) j u' N& r2 w箱及受热面管子上采用的新材料,该钢种属于马氏体
+ a0 e- R1 @. f" C- C8 p* N; I5 A热强性钢,主要用于过热器集箱、再热器集箱的管接头
& D# [ k1 r) ?: |7 {% O( c. p+ ?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
