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                中國電建集團指定焊接材料

                11位焊接工程師 專(zhuān)注50年

                你所在位置:泰申電力>產(chǎn)品中心>手工焊條>PP-D512堆焊焊條
                PP-D512堆焊焊條
                下載材質(zhì)證明書(shū)編輯:網(wǎng)絡(luò )信息部   發(fā)布時(shí)間:2018-01-30 14:04:58   來(lái)源:泰申電力   人氣:4083

                符合(相當)相關(guān)標準型號:

                GB/T 984 EDCr-B-03

                說(shuō)明:PP-D512是鈦鈣型藥皮的高鉻閥門(mén)堆焊焊條,可交直流兩用,焊接工藝性能良好。堆焊金屬為20Cr13(2Cr13)馬氏體高鉻鋼。 堆焊層具有空淬特性、一般不需進(jìn)行熱處理,硬度均勻,也可經(jīng) 750~800℃退火軟化。當加熱到950~1000℃空冷或油淬可重新硬化。

                用途:適用于堆焊碳鋼或低合金鋼的軸、過(guò)熱蒸汽用閥件、攪拌機漿、 螺旋輸送機葉片等。這是一種通用性的表面堆焊用焊條。


                熔敷金屬化學(xué)成分(%)

                元素CCr其他元素總量
                標準值≤0.2510.00-16.00≤5.00
                例值0.1912.64-

                堆焊層硬度(焊后冷空) HRC ≥45(耐軟化至500℃)


                參考電流(DC+或AC+):

                直徑/mm3.24.05.0
                焊接電流/A90-130130-170170-210


                注意事項:

                1、焊前焊條須經(jīng)150℃左右烘焙1小時(shí) 。

                2、焊前需將工件預熱至300℃以上,焊后如進(jìn)行不同熱處理可獲得相應的硬度 。

                本文關(guān)鍵詞:PP-D512堆焊焊條


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