HR***5-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HR***5-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型HR***5-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HR***5-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型HR***5-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HR***5-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型HR***5-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HR***5-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型HR***5-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HR***5-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型
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