乙炔焊检测_检测机构_检测报告_中析研究所「检测中心」

乙炔焊检测项目

外观检查：检查焊缝表面成型、余高、宽度及咬边等外观质量是否符合图纸及标准要求
射线检测：通过X射线穿透焊缝检测内部裂纹、气孔、夹渣等体积型缺陷并评定等级
超声波检测：利用超声波在焊缝中传播反射特性检测内部面积型缺陷如裂纹、未熔合
磁粉检测：在磁场作用下通过磁粉聚集显示铁磁性材料焊缝表面及近表面裂纹缺陷
渗透检测：利用着色或荧光渗透液毛细作用显示非铁磁性材料焊缝表面开口缺陷
拉伸试验：将焊接试样在拉伸试验机上拉至断裂测定抗拉强度、屈服强度及延伸率
弯曲试验：将焊接试样绕规定直径弯心弯曲至规定角度检验焊缝及热影响区塑性
冲击试验：用摆锤冲击带缺口的焊缝试样测定规定温度下的冲击吸收功
硬度测试：用维氏或布氏硬度计测量焊缝、热影响区及母材各区域硬度分布
宏观金相检验：制备焊缝横截面金相试样观察熔深、焊透情况及焊缝成型几何尺寸
微观金相检验：在金相显微镜下分析焊缝及热影响区显微组织特征及是否存在异常组织
化学成分分析：用直读光谱仪或化学分析法测定焊缝熔敷金属化学成分是否符合材料标准
气压试验：向容器或管道充入压缩气体加压至规定压力检验焊缝致密性和强度
水压试验：向容器或管道充水加压至规定压力保压检验焊缝承压能力和密封性
泄漏检测：采用氨气或卤素检漏法检测焊缝是否存在穿透性缺陷导致介质泄漏
焊缝尺寸测量：用焊缝量规测量焊缝余高、宽度、焊脚尺寸是否符合图纸公差要求
焊缝外观缺陷评定：依据标准评定表面气孔、裂纹、咬边、未焊满等缺陷等级
焊接残余应力测试：采用盲孔法或X射线衍射法测定焊后焊缝及热影响区残余应力分布
疲劳试验：对焊接接头施加循环载荷测定S-N曲线及疲劳极限评估疲劳寿命
晶间腐蚀试验：将不锈钢焊缝试样浸入腐蚀介质检验耐晶间腐蚀性能
焊缝返修后复检：对返修焊缝重新进行无损检测确认原缺陷已消除且无新缺陷产生
焊接工艺评定试验：通过试件拉伸、弯曲、冲击及金相等检测验证焊接工艺规程合理性

检测范围

碳钢乙炔焊对接焊缝检测
低合金钢乙炔焊对接焊缝检测
不锈钢乙炔焊对接焊缝检测
铜及铜合金乙炔焊焊缝检测
铝及铝合金乙炔焊焊缝检测
铸铁乙炔焊补焊焊缝检测
镍及镍合金乙炔焊焊缝检测
钛及钛合金乙炔焊焊缝检测
管道对接乙炔焊焊缝检测
板材对接乙炔焊焊缝检测
角接乙炔焊焊缝检测
搭接乙炔焊焊缝检测
T形接头乙炔焊焊缝检测
压力容器乙炔焊焊缝检测
船体结构乙炔焊焊缝检测
储罐乙炔焊焊缝检测
桥梁钢结构乙炔焊焊缝检测
管道支吊架乙炔焊焊缝检测
法兰连接乙炔焊焊缝检测
管道支管连接乙炔焊焊缝检测
焊接工艺评定乙炔焊试件检测
乙炔焊熔敷金属检测
乙炔焊返修焊缝复检
乙炔焊热影响区检测

检测标准（部分）

YB/T 036.14-1992 冶金设备制造通用技术条件氧-乙炔焰自熔合金粉末喷焊
20256053-T-469 气焊设备高压乙炔分解阻断器
ISO 11872:2024 Gas welding equipment — Decomposition blockers for high-pressure acetylene
GB/T 2551-1992 焊接及切割用橡胶软管　乙炔橡胶软管
KS B 6250-2018 용해 아세틸렌용 용접 강재 실린더
KS B 6250-2018(2023) 용해 아세틸렌용 용접 강재 실린더
KS B 6250(2023 Confirm)(2023) 용해 아세틸렌용 용접 강재 실린더
20256065-T-469 气焊设备用安全装置第3部分：低压乙炔分解阻断器
CID A-A-59350 TORCH, WELDING, HAND, OXYACETYLENE, LIGHT DUTY (SUPERSEDING MIL-T-18134C)
ISO 5175-3:2025 Gas welding equipment — Safety devices — Part 3: Decomposition blockers for low-pressure acetylene
ISO 15615:2022 Gas welding equipment — Acetylene manifold systems for welding, cutting and allied processes — Safety requirements in high-pressure devices
ISO 14114:2017 Gas welding equipment — Acetylene manifold systems for welding, cutting and allied processes — General requirements
DIN EN ISO 15615:2023-02 Gas welding equipment - Acetylene manifold systems for welding, cutting and allied processes - Safety requirements in high-pressure devices (ISO 15615:2022)
MIL MIL-T-13880H Notice 1-Cancellation TORCH, OXYACETYLENE WELDING AND CUTTING (S/S BY A-A-55826) (SUPERSEDING MIL-T-13880G)
CID A-A-51138A BRAZING AND SOLDERING SET (ACETYLENE GAS) (SUPERSEDING A-A-51138)
CID A-A-55826A TORCHES, OXYACETLENE, HAND HELD, CUTTING AND WELDING
DIN EN ISO 14114:2018-04 Gas welding equipment - Acetylene manifold systems for welding, cutting and allied processes - General requirements (ISO 14114:2017)
ISO 24431:2016 Gas cylinders — Seamless, welded and composite cylinders for compressed and liquefied gases (excluding acetylene) — Inspection at time of filling
BS EN ISO 14114:2018 Gas welding equipment. Acetylene manifold systems for welding, cutting and allied processes. General requirements
DIN ISO 5175-3:2026-06 Gas welding equipment - Safety devices - Part 3: Decomposition blockers for low-pressure acetylene (ISO 5175-3:2025); Text in German and English