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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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* s7 R8 z4 h4 HSA335P91 和SA213T91 材料焊接在电站锅炉上的应用
0 j. s" L) Q/ |3 ^% I, d2 G2 a哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
% z' O+ s( Y1 E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- K K! n8 I* W8 \0 B+ C
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
& J8 p1 E2 M% c _; d; u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 x. n% d. t5 n* f% g) f3 e关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
$ m! ~1 j& v; J3 sWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION; j& Z3 G; f% ?' l5 C8 Q
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun( E" [' ]3 m% H4 Z( [9 p
Abstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis24 {- }9 n, B% o. ?( v& P
tance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high
$ B6 d8 z6 I8 t2 Btechnology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
4 g: Z; n) I/ S; t* n' jnology has been used in the manufacturing of boiler heating parts and the quality is reliable.
E" B. `& x5 KKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld8 N. V/ Z' k0 d# V, |1 G- v
0 前 言
$ Q; Q$ G+ `1 G+ r, w, VSA335P91 和SA213T91 材料是我公司近年来在集
0 |9 R$ B: E, y1 S箱及受热面管子上采用的新材料,该钢种属于马氏体
g4 [+ \( n( h2 P2 J7 W2 A( N热强性钢,主要用于过热器集箱、再热器集箱的管接头
' |1 i& r9 k: L8 b6 t2 ~6 d及与它们相连接的受热面管子。
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# D' B ~7 G( s, i( o0 j' n, g& Q[ 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
