一段话 1？ 一起看下，共同进步. MATERIAL: 1. All material shall be of the type and grade specified on the individual vessel specification sheet and shall comply with the specifications listed in 1.3 and 1.4.These specification include lists of approved vendors for some materials. 所有材料的种类和等级应按照单一容器规范表上的规定，并且遵守规范表1.3和1.4 的要求.这些规范包括了一些被认可过的材料供应商. 2. No substitution of material may be made without written consent of the Contractor. 没有得到业主的书面批准不允许更换材料. 3. Structual quality steels are not acceptable for pressure retaining parts. 高质量结构钢不允许使用到受压维持部件上 .( 这个不确定 ） 4. Carbon steel plate shall be fully killed. Austenite stainless steel material shall be in solution annealed condition. 碳钢 板材应为镇静钢.奥氏体 不锈钢 应固溶退火供货. 5. Reinforceing pads ,backing pads and saddle doubler plates shall be of the same material as the component to which they are attached unless otherwise agreed by the Contractor. 除非得到业主的同意，否则补强圈，垫板，鞍座所连接的部件应为同一种材料 .（ 其中backing pads ，saddle doubler plates 意思不确定 ） 6. Non-pressure parts attached to pressure parts by welding shall be of the same general type of material as the shell or interior cladding if welded to the cladding material . 焊接到受压原件上的非受压原件应与筒体为同一类别的材料，如果焊接到 复合材 料上，还应与复合材料一致. 7.Should any materials prove unsatisfactory during fabrication they shall be rejected notwithstanding any previous certification of satisfactory examination or tests. 在制造过程中一些材料被证实出不符合要求的，尽管以前的材质单上实验合格，这些材料也要被视为不合格产品. 8. To avoid zinc contamination ,the use of zinc ,zinc bearing alloys or galvanised materials shall be excluded on vessels either wholly or partly manufactured from stainless steel .Cadmium shall be totally excluded. 为了避免锌污染，在不锈钢容器生产制造的过程中，不允许使用锌，锌合金，镀锌材料 9. Combinations of materials,which are prone to promote galvanic corrosion ,shall be avoided. 避免使用能造成锌腐蚀的材料. 查看更多22个回答 . 1人已关注
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