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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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SA335P91 和SA213T91 材料焊接在电站锅炉上的应用0 D( a2 Q e A) ?
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军$ H8 ?( M* R8 w) T9 l
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4 |3 P# Y, U$ O
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
_0 l3 D6 Y$ L" r1 P. y; k0 V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。
0 }( u, j) `4 b关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝3 i. h; Y& R6 ]- O) K/ o
WELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION$ h; b4 c7 Q) u8 ^- o
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
* l4 o+ X5 }7 o; H& ?7 CAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
, H% l/ q# @7 V6 Btance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high- k, I L& h& C1 x
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2 q0 e* R$ O6 x; e/ x( F
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.
2 B& n( e% U* ^. d cKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld P" p) }- c: E: G
0 前 言
! M5 s, n0 I, ?! p1 k1 ~SA335P91 和SA213T91 材料是我公司近年来在集
5 p4 A* V: ~. L) l箱及受热面管子上采用的新材料,该钢种属于马氏体4 B- f0 Y7 P' k% K0 ]# G$ y
热强性钢,主要用于过热器集箱、再热器集箱的管接头; _5 Q- w" q' N8 E9 T# C
及与它们相连接的受热面管子。
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: w& Z4 Z0 I' i" i+ l[ 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
