If welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat inputs are also qualified.
如果焊接工艺试验在高热输入值和低热输入值下进行，那么，中间的热输入也应合格。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
The hardness test show that the weld hardness with high welding heat input is higher than that with low welding heat input.
硬度测试结果表明，大线能量焊接热处理后焊接接头的硬度高于小线能量焊接的焊接接头硬度。
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