供應(yīng)D802 822 842 852 鈷基焊條

產(chǎn)品簡介

D802鈷鉻鎢合金焊芯的鈷基堆焊焊條，采用直流反接，堆焊金屬在650℃工作仍能保持良好的耐磨性和耐腐蝕性，用于要求在650℃左右工作仍能保持良好的耐磨性和耐腐蝕性的場合，或承受沖擊和冷熱交錯(cuò)的部位，如堆焊高溫高壓閥門及熱剪切刀刃等。
鈷基焊條

Trade- Mark 牌號	Equivalent to China Standard 相當(dāng)國標(biāo)	Characteristics & application 特性和用途	Equivalent to AWS 相當(dāng)AWS
D 802	EDCoCr-A-03	HRc38-47. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as the edge of thermo-cutter. HRc38-47，耐熱、耐蝕、耐磨。堆焊高溫工件如熱剪切刀刃	ECoCr-A
D 812	EDCoCr-B-03	HRc45-50. Resistance to heat, wear and corrosion. Hardfacing of high temperature part such as internal-combustion engine valve. HRc45-50，耐熱、耐蝕、耐磨。堆焊高溫工件如內(nèi)燃機(jī)閥	ECoCr-B
D 822		HRc≥53. Resistance to Wear and heat, bad shock resistance. Hardfacing of rotating blade wheel of boiler. HRc≥53，耐熱、耐磨，但抗沖擊性差。堆焊鍋爐旋轉(zhuǎn)葉輪
D 832	EDCoCr-C-03	HRc≥50. Wear and heat resistance. Hardfacing of high temperature part such as hot-rolling guided way. HRc≥50，耐熱、耐磨。堆焊高溫工件如熱軋導(dǎo)軌	ECoCr-C
D 842	EDCoCr-D-03	HRc28-38. Corrosion and thermo-fatigue resistance, work harding. Hardfacing of hot forging die. HRc28-38，耐蝕、抗熱疲勞，具有加工硬化性。堆焊熱鍛模