压力容器封头采购技术要求

This specification is provided description for purchasing material.本技术条件对采购下列材料进行了规定.1. 1. Name of item:品名2:1 Ellipsoidal Head2:1椭圆封头2. 2. Code and Standard规范和标准ASME Code Sec. VIII Div.1 2015"2:1 Ellipsoidal Head"3. Material specification designation, Size & Quantity材料牌号、规格和数量Material:SA-516M Gr.485 材料： SA-516M Gr.485Material condition: hot-rolled材料供货状态：热轧Size: I.D1200×14mm规格：I.D1200×14mmQuantity: 2  数量：2个4. Material marking材料标记The material following markings have been stamped on the plate by manufacturer:  制造厂应该将下列标记钢印在板材上： **(Coded marking)5. Supply condition and dimensional tolerance 供货状态和尺寸公差5.1 Hot forming is permitted for head封头热压成型。5.2 If hot forming is used , carry out according to following request:封头热成型时按照以下要求进行：5.2.1 Die forming： 模具成型5.2.2 Forming temperature : 920±20℃成型温度: 920±20℃ Holding time: 12-20 minutes保温时间：12-20分钟 Cooling method：cooling in air冷却方式：空冷5.2.3 Test plate for heads  MATERIAL PURCHASE SPECIFICATION材料采购技术条件 DOC. NO. : MPS16-001  REV. 0 PAGE 3 OF 4封头试板Size: 14x60x500mm规格：14x60x500毫米Quantity: 1数量：1件Guarantee transverse tension，tensile direction and the direction of rolling into a vertical Angle，eligibility criteria for material standards保证横向拉伸，即拉伸方向与轧制方向成垂直角，合格标准为材料标准。5.3 Dimensional tolerance See the following drawing: 尺寸公差见下图： 5.3.1 The inner surface of ellipsoidal head shall not deviate outside of the specified shape by more than15mm nor inside the specified shape by more than 7.5mm. Such deviations shall be measuredperpendicular to the specified shape and shall not be abrupt. 椭圆封头内表面外凸不得大于15mm，内凹不得大于7.5 mm。检查时应使用样板垂直于待测表面。5.3.2Measurements for determining the deviations specified in 5.2.1 above shall be taken from the surface of the base metal and not from welds. 进行上述5.3.1条测量时，应避开焊缝。5.4 The markings on the plate shall place on the convex of the heads after forming.封头成型后，钢板上得标记应该位于封头得凸面上。6 Product Exam. Report产品检验报告The Product Exam. report shall be furnished to **in Chinese-English bilingual format and in SI units. 产品检验报告应以中英文两种语言和SI单位制的格式提供给**The following item shall be reported: 报告中应包括下列内容：6.1 Applicable Code:  适用规范：ASME Code Sect. VIII Div. 1 20156.2 Purchase specification No. and Rev. No. MATERIAL PURCHASE SPECIFICATION材料采购技术条件 DOC. NO. : **  REV. 0 PAGE 4 OF 4 采购技术条件编号和版本号 **6.3 Job No. ** 工作令号：** **6.4 Material specification and grade  材料牌号和等级6.5 Code marking of ****的代码标记 6.6 Time-Temperature Chart 时间－温度图表6.7 Examination results (including the min. thickness dimension and tolerance after forming) 检验结果（包括成型后的最小壁厚和公差）6.8 Manufacturer's name or trade mark 制造厂名称或商标7 Identification of ellipsoidal head椭圆封头识别 Identification marking shall be painted or stamped on each finished head outside about 200mm from the edge of skirt with manufacturer's name or trade mark.。 识别标记（制造厂名称或商标）应该涂或钢印在已完成的每个封头外表面距封头直边边缘大约200mm处。

感谢分享

这个是ASME的要求

非常好的技术要求

资料很好，就是排版看着头疼