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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! P5 }* ~1 o- n5 L6 s2 G
哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军' w6 K: P( }8 e4 n" 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4 b6 J6 w- z) [ X& e
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
& T# n/ [, s$ `) F. S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 B$ d1 E; j1 j9 \
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
1 o# Q& X' C# N) R# BWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
+ l3 l0 E- z4 @1 y0 ]Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun8 P6 T+ l$ c, C4 U8 ~6 d
Abstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
/ L" z- p0 @/ N5 W/ Y/ `6 Gtance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high: R& N' U2 d4 V# T" \2 N7 U9 t
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2. n# k1 Y7 n4 ? _4 }: u
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.& R' Y& X- g$ E$ r7 c. W
Key words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld+ Y6 x& [: X# J+ z! n& E# W
0 前 言
8 x, u* Z5 [. v( Y3 m8 _$ F, ^" ISA335P91 和SA213T91 材料是我公司近年来在集; j6 M, ^- V: O
箱及受热面管子上采用的新材料,该钢种属于马氏体
9 u; x: j4 N- Y5 U! s+ o L% `热强性钢,主要用于过热器集箱、再热器集箱的管接头* g; g9 H4 g1 M. S$ z% m
及与它们相连接的受热面管子。
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$ _! i+ s6 t, e8 E& E. z[ 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
