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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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4 \/ b& e' [/ N0 g, c+ Z1 ^# E' [0 p8.4.8 Heat Input, d e" \( R* M0 ^/ ^
When impact requirements apply, the upper limit of heat input qualified is 25 % greater than that used in welding
- e5 L( |. K8 C2 Kthe test piece.
; K) S+ a A6 |4 w5 Y( XWhen hardness requirements apply, the lower limit of heat input qualified is 25 % lower than that used in welding
9 g3 m$ p# o1 S2 j! ?# Tthe test piece.
N; }# E* ^) u, l8 J4 k0 t( U" tHeat input is calculated in accordance with EN 1011-1.
' ^, Z: j& f d# iIf welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat
( X" |! g9 i! U/ r+ minputs are also qualified.
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6 p7 \+ K2 ]! z9 w4 Y( u8.4.8 热输入
4 V, y+ x% `+ x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%。
2 K+ ~+ V! W7 P1 q0 H: A! \; r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%。0 o$ s' U( i6 g, Z% L% ^* T- _
热输入的计算按照EN 1011-1。
+ u* O1 E7 u& h; A7 |8 J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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/ ]& m! N5 c# ^- B6 S4 K" \* E[ 本帖最后由 bigwind 于 2008-10-5 21:07 编辑 ] |
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