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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
y1 u/ y; }1 h哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军0 N) X0 s$ u- K8 K3 }& y/ y
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
1 j3 r6 Q) W& K- K+ H! Z4 `) ?" V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
: X4 {1 [* C$ ]2 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。) `! Z9 |3 L' [: a- T7 z H
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
3 t, S9 R+ d! t& ]+ a( nWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
, x$ V! X$ i( L* e4 _; E9 g# bHarbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
2 w, [2 x1 w7 t# X' x) eAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
& e- }) @8 z9 L$ F& D5 u+ htance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high
0 {" b# d% e4 Y% U% xtechnology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech24 U8 x e) D7 }+ K: H: z! X
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.
! `$ M, C: b0 Q4 J" U$ TKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld( k' X: e3 }3 [6 i( o
0 前 言$ O0 Q! K7 e% l% r
SA335P91 和SA213T91 材料是我公司近年来在集
: @+ {9 A" Z; R' M2 B o% ^箱及受热面管子上采用的新材料,该钢种属于马氏体
8 [0 y: {; T1 }& w热强性钢,主要用于过热器集箱、再热器集箱的管接头, \: i7 Y4 v4 }
及与它们相连接的受热面管子。 T* c7 e% `5 ~( I/ M5 J" i
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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
