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SA335P91和SA213T91材料焊接在电站锅炉上的应用
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% O e8 m; I6 a! O0 ^SA335P91 和SA213T91 材料焊接在电站锅炉上的应用
2 |' E! b6 u6 }- y哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
# J' K- j: \$ 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1 j `5 o' U" B( i1 `
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- X$ b" c1 I# Y) L4 N$ M* Q
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。" ]2 r4 F, E* t: S# y2 W( y; n
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
1 s; G, h+ [5 H' WWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION( a! m" z) W9 n, l1 p! q
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun( G! |4 r, S7 R) \; a
Abstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
2 y9 Z R5 Y G- Ptance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high% `! l: m" I, l
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech20 y5 V# x* V' d- [
nology has been used in the manufacturing of boiler heating parts and the quality is reliable.
! S( s& { O* W$ qKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld; q [8 @( [6 r/ @: X
0 前 言5 U; y' v: D+ P# W7 ~! ? l
SA335P91 和SA213T91 材料是我公司近年来在集1 W" H3 ~) E- E; ^! d5 N0 f# I; ~8 L
箱及受热面管子上采用的新材料,该钢种属于马氏体 H4 }4 f, t. T& o0 s. N& w
热强性钢,主要用于过热器集箱、再热器集箱的管接头
8 v6 i* m: n; C6 j! J及与它们相连接的受热面管子。3 S. P+ v) D1 N% O, R k2 _
- _/ H% N2 i: F4 H[ 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
