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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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, Z/ V6 H# d" K4 f, @$ K# ~SA335P91 和SA213T91 材料焊接在电站锅炉上的应用: w6 X( ^0 |: N/ X \# y
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军3 F. j9 c# M$ R
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
) O' ^/ u3 }: w: o0 F3 {+ s0 _' g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
' _- s% h: r$ h% w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。
6 N q @0 s( r& p# Z; o关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝2 }0 y0 L$ Y0 M, Z6 ?( m7 Q# k% |
WELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION3 i' ?7 G% Z3 b" R7 H
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
/ N/ q6 Y" z; l" f) bAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis28 _* s$ z7 q6 w* j' e7 w% |# i
tance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high) A( r9 T8 R3 ~4 V* `, n) r- c
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
3 H8 ^6 l" ]1 L o+ s E: dnology has been used in the manufacturing of boiler heating parts and the quality is reliable.
. u# s5 z; d: j! D2 R; ?7 YKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld
( G! i3 A0 P4 Y" c0 前 言
& P6 g I. q, q% N4 dSA335P91 和SA213T91 材料是我公司近年来在集& P+ V s# G) F7 R3 F1 v
箱及受热面管子上采用的新材料,该钢种属于马氏体4 O7 ]! A. i- r/ b! T @
热强性钢,主要用于过热器集箱、再热器集箱的管接头
8 V1 C# g6 A b, Y, j/ [0 S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
