当CO2含量>30%后，复合焊接工艺稳定性变差，焊缝硬度急剧降低。
Moreover, when CO2>30%, the process stability and microhardness of weld dramatically decrease.
复合钢板经焊接工艺评定和抗氢剥离试验证明，该产品具有优良可靠的制造和使用性能。
Evaluation of welding process and hydrogen -resistant peeling test of the clad plate shows that this product possesses excellent, reliable manufacturing and operation properties.
不锈复合钢的焊接是材料焊接工艺的难点之一。
The welding of stainless compound steel is one of the difficulties of material welding technique.
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