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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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' w, @+ q- Q: TSA335P91 和SA213T91 材料焊接在电站锅炉上的应用: G7 t# z/ }4 w, e
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
) |1 s. e: ]; l- X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; D( v+ y3 Q1 E7 t% W- F2 l
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! N% f& w5 z4 P% R
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。8 k& d. O! E1 d3 e
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
, v+ a* m# a' M X5 j- n$ C% tWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
1 e8 v" h+ q1 F* C" N; @Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
- Q+ _9 k w1 ~, [Abstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
- l' ^! y4 j$ ~! S& Utance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high& R; K& ~7 C3 s. l/ K
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
4 Z# X# B7 \( Y7 Mnology has been used in the manufacturing of boiler heating parts and the quality is reliable.
! A. Z# [4 H1 RKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld* v$ |$ U1 T) n+ T
0 前 言
m& O& k4 A1 D7 r# b6 y8 w& `SA335P91 和SA213T91 材料是我公司近年来在集
2 c6 L: r% ^8 _% Q! f箱及受热面管子上采用的新材料,该钢种属于马氏体
) M! N- ~ N7 K( v1 N热强性钢,主要用于过热器集箱、再热器集箱的管接头% j* u# M7 _# o. O" @, C9 h6 h4 A
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
