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SA335P91和SA213T91材料焊接在电站锅炉上的应用1 I' @* e( Z, Y3 v4 w, S1 e
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SA335P91 和SA213T91 材料焊接在电站锅炉上的应用& h& t# }& I7 q9 z; ?* q1 I- r6 E
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
0 u3 E# V% i, M5 S% Q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, ~$ c0 y' j& [
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
) J2 L3 [# |. v6 n) ~3 S4 U$ H% X( m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。- u7 I5 Y4 x) E$ s
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝' e; Q* ~# h& ?
WELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION# P' D, |( x% g+ z E$ ~7 _
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
5 c1 T0 v8 x1 x4 t2 A3 {7 ZAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
3 s, P% N8 Y6 O1 G5 Gtance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high' K: p+ q, ]$ d+ N. G# n
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2% S, H- J2 r5 Z+ p: T% [
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.$ J& V l+ p0 i+ G k
Key words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld
- E0 l* S- k# G7 `' V0 前 言! M$ _ F- V% F5 M; R' i: H
SA335P91 和SA213T91 材料是我公司近年来在集
$ M; S+ k: j6 u4 i, o箱及受热面管子上采用的新材料,该钢种属于马氏体2 M$ G/ y% ]0 ~' D! r
热强性钢,主要用于过热器集箱、再热器集箱的管接头3 ]" Q- r7 q8 R% A. z6 _
及与它们相连接的受热面管子。
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5 Q6 ]" G7 x! {# H* q5 c[ 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
