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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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5 W8 ?) @# X4 B8 Z0 qSA335P91 和SA213T91 材料焊接在电站锅炉上的应用' B9 @1 f% k; @0 N0 E; q! F
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军, G' _+ S$ Y' s
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
F. R3 Z% J; Z0 e$ a4 N G1 ~$ @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
( a0 Y/ h& v4 i5 H# ^* @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。
$ t N; `4 `, s" u! t1 ~关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
x: G" a$ b" y/ ?. i! RWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION# u- [3 F( S2 ?& z! Z7 i; M* }4 y) d
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
; I5 E1 ~- Q& j$ EAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
. v6 N8 ^) } Z7 A( E4 stance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high
/ W3 v* a, R/ n, _8 n9 b8 `# Dtechnology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
1 k4 {2 B, E9 M$ E4 Znology has been used in the manufacturing of boiler heating parts and the quality is reliable.2 D1 q7 x# J+ d, q8 Y. d
Key words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld
7 D# H/ \. E' ~; J0 前 言8 g$ V" G6 f" h7 }/ L+ L1 ^/ e
SA335P91 和SA213T91 材料是我公司近年来在集
$ Z2 R& e9 k0 \& I+ c箱及受热面管子上采用的新材料,该钢种属于马氏体
" u: e ^- y( z$ k2 h热强性钢,主要用于过热器集箱、再热器集箱的管接头
2 C5 o. P/ _/ N3 D' F. Q! M' X% b及与它们相连接的受热面管子。$ P/ A* X6 W7 u+ o2 C8 E% m
/ \1 f- N0 `- M; U+ `[ 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
