Q345E-T65-埋弧焊-工艺评定后形成的焊接工艺规程

Q345E,板厚65,采用埋弧焊(焊丝H10Mn2配SJ101焊剂),经EN288标准评定。可覆盖板厚32至130mm。低温(零下40度)冲击性能良好。

焊接工艺规程 (WPS) Welding procedure specification

编号/WPS No. WPS-1106

页码

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EN288评定标准/Qualified Standard焊接工艺评定记录序号/WPQR No.焊接方法/Welding Process 121:埋弧焊(SAW)焊接位置/Welding Positions平焊/PA接头类型/Joint type对接/BW N/A双V/Double V groove衬垫(材料,规格)/Backing Details坡口形式/Groove Type坡口制备和清理方法/Method of preparation and cleaning氧炔切割/Gas cutting 4~6 mm坡口角度/Groove Angle 55-65°钝边尺寸/Root Face根部间隙/Root Gap 0~2 mm根部半径/Root Radius (J,U) N/A清根情况/Details of back gouging碳弧气刨/Carbon arc Gouging母材厚度/规格(mm)母材牌号 Q345E T=65mm Base metal specification Base metal thickness/outside diameter焊材类别和牌号焊材特殊烘干规定 H10Mn2 N/A Filler metal classification Special baking or drying保护气体混合比气体流量(L/min) N/A N/A N/A Shielding Gas Mix Ratio Gas flow rate 350℃烘干2小时焊丝干伸长度 (mm)焊剂焊剂烘干 18-30 SJ101 Drying 2 hours 350℃ Contact tube-to-workpiece distance Drying of Flux Welding Flux焊接接头简图/Welding joint sketch焊接准备/Joint preparation details焊接顺序 Welding sequences

焊接工艺参数/Welding details:焊道焊接方法焊材规格 Run Process Size of fillermetal (mm) 1~12 121Ф4 13~25 121Ф4 26~44 121Ф4

电流强度电弧电压电流种类/极性送丝速度 Current Voltage Type of current Wire feed speed/Polarity (A) (V) (㎜/s) 460-500 31~36直流反接(DCEP) 460-500 31~36直流反接(DCEP) 460-500 31~36直流反接(DCEP)

焊接速度*热输入* Travel speed Heat input (cm/min) (KJ/cm) 33~50 18~33 33~50 18~33 33~50 18~33

温度控制/Temperature Control加热方法/Heating Method:火焰加热/Flame heating预热温度/Pre-heating temperature N/A当环境温度低于5℃,母材最低加热到40℃。 When the ambient temperature is lower than 5℃, the base metal shall be preheated to at least 40℃母材厚度:25<T≤50mm;预热到75~100℃/Base metal thickness: 25<T≤50mm; Preheat temperature: 75~100℃母材厚度:50<T≤100mm;预热到100~150℃/Base metal thickness:50<T≤100mm; Preheat temperature:100~150℃母材厚度:T≥100mm,预热到150~200℃/Base metal thickness:T≥100mm;Preheat temperature: 150~200℃层间温度/Interpass temperature不低于预热温度,但不超过240℃/No less than pre-heating temperature, but not exceeding 240℃后热/Postheat母材厚度/Base metal:T≤32mm;焊后空冷/Air cooling after welding母材厚度/Base metal:32<T≤100mm;焊后石棉布包裹缓冷/After welding, slow cooling with asbestos wrapped母材厚度/Base metal:T≥100mm;焊后加热到250~300℃用石棉布包裹缓冷 Heat to 250~ 300℃, slow cooling with asbestos wrapped焊后消应热处理温度/Temp. N/A

保温时间/Holding time To stress relief heat treatment编制Prepared by日期Date:审核Verified by日期Date:批准Approved by日期Date:

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Q345E-T65-埋弧焊-工艺评定后形成的焊接工艺规程

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