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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
6 O9 h- \( Q* X3 J# O7 @1 k3 N
) o. l3 @1 j5 G; z8.4.8 Heat Input
$ R3 o6 Y: m: O! O2 }0 A6 iWhen impact requirements apply, the upper limit of heat input qualified is 25 % greater than that used in welding( t+ n: M9 X, h
the test piece.
% E: w E, k6 u6 Y5 X& EWhen hardness requirements apply, the lower limit of heat input qualified is 25 % lower than that used in welding
" [. D4 t" S8 e, ]7 S' Lthe test piece.0 b- M& G% Q8 }
Heat input is calculated in accordance with EN 1011-1.
0 q, I% F3 z, ZIf welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat- } J4 M) ^* |1 o5 u; d
inputs are also qualified.
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" e1 L* l2 V. w7 h6 ?) N8.4.8 热输入% ]& D4 ?9 J ^ }
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%。
3 @3 w1 ^- Q% O6 ^, L+ w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%。9 O; }/ b Z w0 k1 v
热输入的计算按照EN 1011-1。
2 @# U- B9 k% m# y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。$ E( |+ n$ ^1 l% B! o* T
, n0 D( \; A. a3 }[ 本帖最后由 bigwind 于 2008-10-5 21:07 编辑 ] |
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发表于 2008-10-3 11:31:15
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