中国石油天然气管道科学研究院焊接技术中心WTC OF CPP文件编号Document No.：WPS-10013尼日尔原油管道工程站场焊接工艺规程Welding Procedure Specification forNiger Agadem Field Crude Oil Pipeline Project PlantA1 2010.05.27 For ApprovalJin Haicheng Sui Yongli Huang Fu XiangCNPC NIGER PETROLEUM .S.A.Niger Agadem Field Crude Oil Pipeline ProjectPage 1 of 15尼日尔原油管道工程焊接工艺规程列表LIST of WPS序号 ITEM工艺规程编号 WPS NO.评定编号 PQR NO.焊接工艺 PROCEDURE适用管径 Diameter适用壁厚 WALL THICKNESS填充材料CONSUMABLE MATERIALS 适用钢管 Suit pipeline页码 PAGE根焊 ROOT 填充/盖面 FILL/CAP 1 WPS-NREZC-S001 PQR-10044 SMAW+FCAW ≥323.9 4.8-19.1 GB/T 8110 ER50-6 AWS A 5.29 E71T8-K6 L360与L360 L360与16Mn 2 2 WPS-NREZC-S002 PQR-10045 GTAW+SMAW ≥168 4.8-19.1 GB/T 8110 ER50-6 GB/T 5117 E5015 L360与L360 L360与16Mn 4 3 WPS-NREZC- S003 PQR-10046 GTAW+SMAW ≥168 4.8-19.1 GB/T 8110 ER50-6 GB/T 5117 E4315 L245与L245 L245与20 6 4 WPS-NREZC-S004 PQR-10047 GTAW ＜168 4.8-19.1 GB/T 8110 ER50-6 GB/T 8110 ER50-6 L245与L245 L245与20 8 5 WPS-NREZC-S005 PQR-10048 GTAW ＜168 ＜4.8 GB/T 8110 ER50-6 GB/T 8110 ER50-6 L245与L245 L245与20 10 6 WPS-NREZC-S006 PQR-10049 GTAW Unlimited Unlimited GB/T 8110 ER50-6 GB/T 8110 ER50-6 L360与16Mn 12WPS-NREZC-S007PQR-10050GTAWUnlimitedUnlimitedGB/T 8110 ER50-6GB/T 8110 ER50-6L245与2014适用工程Project applied：尼日尔原油管道工程站场Niger Agadem Field Crude Oil Pipeline Project Plant编制单位Drafter Company：中国石油天然气管道科学研究院焊接技术中心WTC OF CPP焊接工艺Welding Process：GTAW（Root）+ FCAW（Fill、Cap）执行标准Reference Standard：SY/T 4103-2006焊接工艺指导书编号WPS No.：WPS-NREZC-S001评定编号PQR No: PQR–10044适用钢管Base MetalItem 材料1 material 1 材料2 material 2材质Type L360 L360 16Mn管径Diameter ≥323.9 ≥323.9壁厚Wall thickness 4.8-19.1 4.8-19.1适用填充材料F ill Material焊道Bead 根焊 Root 填充/盖面 Fill/Cap规范号AWS or GB Spec. GB/T 8110 AWS A 5.29类别Classification ER50-6 E71T8-K6推荐厂商Manmufacture Jin TaiJG-56 LINCOLN INNERSHIELD NR207+尺寸Size Ф2.0mm/Ф2.4mm Φ2.0 mm接头型式Joint Design:（图1 fig1、图2 fig2）接头型式Joint type：对接butt joint 坡口型式groove type：V型V type坡口角度groove angle：see fig1、fig2 钝边root face：1.0±0.4mm背垫backup：N/A 对口间隙root gap：2.5-3.5mm错边Misalignment:≤2.0mm 余高reinforcement：0-1.6 mm盖面焊缝宽Cap bead width：坡口上口每侧增宽Groove each side more than 0.5mm-2.0mm30±2.5°0-1.6mm1.0±0.4mm0.5-2.0mm母材1母材2母材 2母材 1母材 2母材 1T 0-1.6mm1.0±0.4mm15°-45°30°±2.5°Δt≥2.5mm图 1 接头型式joint design 图2 接头型式joint design注：可根据填充情况在立焊部位增加立填焊Stripper pass is adopted in the vertical position.焊接环境Welding Environment 焊前准备Welding preparation温度Temperature ：≥5℃湿度Humidity ：≤90%RH风速Wind Speed ：钨极氩弧焊GTAW ＜2m/s自保护药芯焊丝电弧焊FCAW ＜8m/s焊接位置Pipe Position ：5G 、6G对口方式Type of lin-up ：外对口器或定位焊 E xternal Clamp orPosition weld预热及层间温度Pre-heating & Interpass Temp焊接设备equipment for welding预热温度Pre-heating Temp ：无N/A 层间温度Interpass Temp ：50-200℃根焊Root ：下降外特性直流电源dropping characteristic DCPower Source填充/盖面Fill & Cap ：具有平外特性的直流焊接电源+相应送丝机Constant-voltage DC Power Source + wire-feeder 保护气体Gas钨极Tungsten Electrode保护气体Gas ：100% Argon （Root ） Ar 气体纯度argon gas purity ：≥99.96%钨极类型Type ：钍钨极或铈钨极Ce or Th 钨极尺寸Size ：D=（2.0～3.2）mm技术措施Technique measure焊接方向welding direction ：根焊上向,其它下向root uphill,other downhill （5G 、6G ）焊工数量Number of welder ：2名焊工2 welders 焊丝烘干Wire drying ：不要求 N/A根焊结束与热焊开焊之间的最大时间间隔Max-time lapse between completion of root and start hot pass ：≤10min.焊后热处理Postweld Heat Treatment ：不要求 N/A焊接工艺参数Welding process parameter焊道Bead工艺Process填充金属Fillermetals 尺寸Size (mm) 极性Polarity电流Current(A) 电压Volt (V) 焊接速度Travel speed (cm/min) Argon fluid speed(L/min) Tungsten electrode length Air spout diameterArgonarc length (mm) Root GTAW ER50-6 2.4 DCEN 70-120 10-16 5-10 7-12 6-9 8-10 2-4 Fill FCAW E71T8-K6 2.0 DCEN 180-260 18-21 15-26 / / / CapFCAWE71T8-K62.0DCEN180-26018-2115-23////注：DCEN —表示焊条（焊丝）接电源负端DCEN means that electrode or wire negatively connected.施工措施Construction Measure焊缝坡口清理bevel cleaning : 焊前必须按照施工规范将坡口内外两侧各10mm范围内的铁锈清理干净。

Prior to weld, at least 10mm distanced from bevel shall be cleaned to remove rust.清理工具Cleaning tool：动力角向砂轮机及钢丝刷Power grinder and/or brush。

层间清理Cleaning Between Beads：清理焊道表面后,方可进行下一层的焊接Cleaning should be performed before next bead is deposited.对口器拆除Removal of Clamp: 均匀完成根部焊缝60％以上After a section of the root bead equal to approx. 60% evenly spaced of the circumference has been performed when use the external.返修与补焊Repair and patch weld：本工艺規程可用于指导其所限定的对接环焊缝的返修和补焊This WPS available in butt joint repairing and patching weld which its limited。

A1 27/05/2010Jin Haicheng Sui Yongli Huang Fu Xiang版本Rev. 日期Date编制Prepared审核Checked批准Approval适用工程Project applied：尼日尔原油管道工程站场Niger Agadem Field Crude Oil Pipeline Project Plant编制单位Drafter Company：中国石油天然气管道科学研究院焊接技术中心WTC OF CPP焊接工艺Welding Process：GTAW（Root）+ SMAW（Fill、Cap）执行标准Reference Standard：SY/T 4103-2006焊接工艺指导书编号WPS No.：WPS-NREZC-S002评定编号PQR No: PQR–10045适用钢管Base metalItem 材料1 material 1 材料2 material 2材质Type L360 L360 16Mn管径Diameter ≥168 ≥168壁厚Wall thickness 4.8-19.1 4.8-19.1适用填充材料Fill merterial焊道Bead 根焊Root 填充/盖面Fill/Cap规范号AWS or GB Spec. GB/T 8110 GB/T 5117类别Classification ER50-6 E5015推荐厂商Manmufacture Jin TaiJG-56 Da XiyangCHE507尺寸Size Ф2.0mm/Ф2.4mm Φ3.2 mm接头型式Joint Design:（图1 fig1、图2 fig2）接头型式Joint type：对接butt joint 坡口型式groove type：V型V type坡口角度groove angle：see fig1、fig2 钝边root face：1.0±0.4mm背垫backup：N/A 对口间隙root gap：2.5-3.5mm错边Misalignment:≤2.0mm 余高reinforcement：0-1.6 mm盖面焊缝宽Cap bead width：坡口上口每侧增宽Groove each side more than 0.5mm-2.0mm30±2.5°0-1.6mm1.0±0.4mm0.5-2.0mm母材1母材2母材 2母材 1母材 2母材 1T 0-1.6mm1.0±0.4mm15°-45°30°±2.5°Δt≥2.5mm图 1 接头型式joint design 图2 接头型式joint design焊接环境Welding Environment焊前准备Welding preparation温度Temperature ：≥5℃ 湿度Humidity ：≤90%RH风速Wind Speed ：钨极氩弧焊GTAW ＜2m/s 焊条电弧焊SMAW ＜5m/s焊接位置Pipe Position ： 2G 、5G 、6G对口方式Type of lin-up ：外对口器或定位焊 E xternal Clamp or Position weld预热及层间温度Pre-heating & Interpass Temp焊接设备equipment for welding预热温度Pre-heating Temp ：无N/A 层间温度Interpass Temp ：50-200℃根焊/填充/盖面Root/ Fill & Cap ：下降外特性直流电源droppingcharacteristic DC Power Source保护气体Gas钨极Tungsten Electrode保护气体Gas ：100% Argon （Root ） Ar 气体纯度argon gas purity ：≥99.96%钨极类型Type ：钍钨极或铈钨极Ce or Th 钨极尺寸Size ：D=（2.0～3.2）mm技术措施Technique measure焊接方向welding direction ：上向uphill （5G ，6G ） 横向transverse （2G ）焊工数量Number of welder ：1名或2名焊工1 or 2 welders焊丝烘干Wire drying ：不要求 N/A 焊条烘干Electrode drying: 350℃×1h根焊结束与热焊开焊之间的最大时间间隔Max-time lapse between completion of root and start hot pass ：≤ 10min.焊后热处理Postweld Heat Treatment ：不要求 N/A焊接工艺参数Welding process parameter焊道Bead工艺Filler metals Size (mm)PolarityCurrent (A) Volt (V)Travelspeed(cm/min)Argonfluidspeed(L/min) Tungsten electrode lengthAir spout diameter Argon arc length(mm)Root GTAW ER50-6 2.4 DCEN 70-120 10-16 5-10 7-12 6-9 8-10 2-4 Fill SMAW E5015 3.2 DCEP 90-130 19-26 7-15 / / / / CapSMAWE50153.2DCEP80-12018-246-13////注：DCEP —表示焊条（焊丝）接电源正端DCEP means that electrode or wire positive connected.DCEN —表示焊条（焊丝）接电源负端DCEN means that electrode or wire negatively connected.施工措施Construction Measure清理工具Cleaning tool ：动力角向砂轮机及钢丝刷Power grinder and/or brush 。