J707低合金钢焊条.J607RH低合金钢焊条J507BE5015-G低氢型Low-hydrogenDC+≤0.12≤1.50≤0.50≤0.025≤0.025≤1.00≤0.30≥490≥400≥22≥54(-40℃)扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。Ithaslowdiffusiblehydrogenandgoodlow-temperatureimpacttoughness,suitableforweldingmiddle-carbonsteelandpressurecontainersoflow-temperaturesteel.J556RHE5516-G(E8016-G))