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发表于 2008-10-5 21:04:32
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来自: 中国天津
根据15614-1:2004 ISO
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, \) N7 _, J3 u B2 C# b' ^8.4.8 Heat Input
9 e1 J# v/ z ]/ z6 `When impact requirements apply, the upper limit of heat input qualified is 25 % greater than that used in welding
( u N5 y& R4 Xthe test piece.
- O$ s( R- w c) J/ C! K RWhen hardness requirements apply, the lower limit of heat input qualified is 25 % lower than that used in welding
. J$ ^' q' o' X% G6 G! s7 ?! x. Jthe test piece.
. `+ h) F2 Q4 R, zHeat input is calculated in accordance with EN 1011-1./ I0 t& Y" ]$ s) q# h
If welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat
$ H; ? d4 f' s! {inputs are also qualified.
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6 X4 Q! H8 H: a! F( H" D2 l( B8.4.8 热输入: {# { Y3 h* W9 W& j# l; [
有冲击试验要求时,认可的热输入上限可比试件焊接使用的热输入大25%。. J) y; H2 q- @- ?0 Z
有硬度试验要求时,认可的热输入下限可比试件焊接使用的热输入小25%。' t3 R6 ^9 H, y% w/ C* g! z% [
热输入的计算按照EN 1011-1。9 A% T3 Z# M o9 O7 Y- n
如果焊接工艺评定试验用高、低两个热输入进行,则其中间的所有热输入也适用。
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5 l% [2 c3 l% e2 `- h x- p( m[ 本帖最后由 bigwind 于 2008-10-5 21:07 编辑 ] |
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