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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
" c$ |6 x0 t& d3 S哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
/ H) C% Y* M5 |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
9 F5 u9 y( |% e, k* K, d0 j; C0 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! Z2 X. F9 V# ^# M) L; D1 }/ [
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。5 d0 r% c% @' x3 j
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
! D7 J! i+ a: R7 W4 JWELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION& @% X: u% t! W, G
Harbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
, k7 O9 j; {! kAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
: |) y# {: E/ B: ]tance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high) |) d- O* W8 t% E
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
3 |) W0 F( O# Znology has been used in the manufacturing of boiler heating parts and the quality is reliable.
# r3 V. Y8 F" z' }& [# f, u8 zKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld3 Y3 E% A. ^8 F, Y5 J% V' }
0 前 言
4 ^% @, c, w7 u+ k/ c2 h5 eSA335P91 和SA213T91 材料是我公司近年来在集
+ t9 J6 P# m6 X6 {箱及受热面管子上采用的新材料,该钢种属于马氏体& e% s) \2 q$ ^4 E$ C' U
热强性钢,主要用于过热器集箱、再热器集箱的管接头# Z+ f3 ^# K2 X* L* t5 y! K" L: q i% e
及与它们相连接的受热面管子。5 L( U; [; Z! m
0 v2 i/ }, C! {* e$ d& D, K[ 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
