| 碳钢及合金钢管件工艺流程图
Process flow chart for carbon steel and alloy steel fittings |
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| 外观、力学性能、化学成分复查 Appearance,
mechanical chemical composition to be reviewod |
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尺寸、材质、批号控制 Size,material,lot
no,to be controed |
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外观控制 Visual control |
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涂层厚度控制 Coating thickness to be control |
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原材料
Raw
material |
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锯、切料
Sawing,cutting material |
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表面处理
Surface treatment |
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涂层护层
Protective coating |
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几何尺寸、材质、批号检验
Geometric size, material,lot no,to be inspected |
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几何尺寸控制
Geometric size
to be control |
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椭圆度控制ellipticty to be
control |
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加热温度、外观及尺寸控制 Heating
temperature, appearance，Geometric size to be controled |
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粗加工
Rough process |
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整形
Shaping |
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热成型
Hot forming |
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外观、尺寸检验
appearance，sizze to be controled |
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外观、尺寸检验
appearance，sizze to be controled |
无缝碳钢、合金管件
Seamless carbon
steel, alloy fitting |
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| 温度、时间、冷却方法控制 Temperature,
time, cooling method to be control |
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外观、尺寸检验
appearance，sizze to be controled |
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热处理
Heat treatment |
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冷挤压成型
Cold extrusion forming |
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焊缝外观、尺寸检验 Weld seam
appearance, sizze to be controled |
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焊接工艺控制
Process control |
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外观、尺寸和圆度控制 Appearance,
size and roundness control |
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加热温度、外观及尺寸控制 Heating
temperature, appearance，Geometric size to be controled |
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焊接
Welding |
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对接定位
Butt-welding location |
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热成型
Hot forming |
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焊缝坡口角度、尺寸和椭圆度检查
Weld soern bevel s,angle size and ellpticity to be inspectod |
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外观、尺寸检验
appearance，sizze to be controled |
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无缝碳钢、合金管件
Seamless carbon
steel, alloy fitting |
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几何尺寸、坡口及形位公差控制 Geometry size,
bevel and anqularity toierance to be controled |
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表面修磨
Surface trimming |
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无损检测
Non-destructive inspection |
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喷沙
Sand blasting |
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坡口加工
Bevel process |
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表面质量控制
Surface quality to be controled |
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检测记录及标识控制
Inspection recond and marking control |
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外观质量控制 Visual
control |
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尺寸、形位公差、坡口检验
Size,angularity toiecance,bevel to be inspected |
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检验标识、记录控制
Marking inspection, record to be controled |
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标记入库
Marking in storage |
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表面防腐
Surface noncorrosion |
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成品验收
Final product to be accepted |
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规格、材质、批号控制
Specicflcation,material,lot no,to be controled |
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外观控制
Appearance control |
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按标准规格作全面验收
Full acceptance as perstandard and qauee |
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