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SA335P91和SA213T91材料焊接在电站锅炉上的应用; u3 x3 r& j& F! Z% ~! x, `, w
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SA335P91 和SA213T91 材料焊接在电站锅炉上的应用
; A0 ?& I" ^ o. _% r哈尔滨锅炉厂有限责任公司(150046) 霍士君 李洪珍 翟 军
6 }# B) p# [* W. g! Q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
% X# K/ G- H; e) W! ^( x- h/ W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
u+ q5 _7 c: U" A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。6 Z1 m R* ]6 f2 W! X, e8 K
关键词: SA335P91 和SA213T91 材料 电站锅炉 环缝 角缝
% }& h0 k& G7 L4 @. p! t% @WELDING FOR SA335P91 AND SA213T91 STEELS IN POWER BOILER PRODUCTION
' B& Z. B. N2 u& l2 YHarbin Boiler Company Limited Huo Shijun ,Li Hongzhen , Zai Jun
, H3 V) J( G( _4 c, @4 PAbstract The materials of SA335P91 and SA213T91 have some functions such as good mechanical properties , heat - resis2
7 j7 X) G/ L) d% d( [4 d0 y% Dtance , corrosion - resistance and creep - resistance , at a very poor circumstance. They however have poor weldability and high# `; K% v, d' `, W' J+ j- G1 M
technology requirement. This article provides a reasonable welding technology according to their characteristics , this welding tech2
- ]. |% S1 ?( y* ^* @nology has been used in the manufacturing of boiler heating parts and the quality is reliable.
+ r! C; o z; a2 nKey words : SA335P91 and SA213T91 steels , power boiler , girth weld, fillet weld U/ I0 u% r" k0 `+ P9 z7 m
0 前 言
1 {5 _; q4 `( O' \3 G& \SA335P91 和SA213T91 材料是我公司近年来在集
9 J8 o9 ?( x9 p& `" i' g4 `. [8 w箱及受热面管子上采用的新材料,该钢种属于马氏体" O! T% X: n0 d2 d2 Z$ M
热强性钢,主要用于过热器集箱、再热器集箱的管接头% c; v) I4 g& J2 U3 y! P0 R* y' N$ p
及与它们相连接的受热面管子。
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( ^5 E5 _. i. c9 a6 l2 t[ 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
