应力腐蚀开裂SSC-方法A sulfide stress cracking method A- tensile |
NACE TM 0177 method A GB/T 4157 method A |
6周 6 weeks |
取标样,要求≥Ф10*100mm 非标样,要求≥Ф5*50mm |
试验时长720h(30天) |
应力腐蚀开裂SSC-方法B: 弯梁 sulfide stress cracking method B Bend-beam |
NACE TM 0177 method B ASTM G39 ISO 7539-2 GB/T 4157 method B |
足够取得16个67.3*4.57*1.52mm | 试验时长720h(30天) | |
应力腐蚀开裂SSC-方法c: c形环 sulfide stress cracking method C C-ring |
NACE TM 0177 method C GB/T 4157 method C |
外径:15.9mm≤OD | 试验时长720h(30天) | |
应力腐蚀开裂SSC-方法D: 双悬臂梁试验 sulfide stress cracking method D:double-cantilever-beam(DCB) test |
NACE TM 0177 method C GB/T 4157 method C |
常规样品≥101.6*25.4*9.35mm 薄样品T≥4.76mm |
碳钢 |