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| 品 质 保 证 |
| 1.化学分析：对材质的化学成分进行化学分析，化学成分符合标准规定。 |
| 2.气压、水压试验对耐压用管逐支进行水压试验，在规定压力值下保持不小于5秒，不泄漏，常规供货水压压力试验为2.45MPa，气压压力试验为P=.59MPa。 |
| 3.腐蚀试验：所供工业耐腐蚀钢管均按标准规定或双方协议的腐蚀方法进行钢管的耐腐蚀性能检验，不得有晶间腐蚀倾向。 |
| 4.工艺性能誓言：压扁试验、拉伸试验、冲击试验、扩口试验、硬度试验、金相试验、弯曲试验、无损探伤（包括涡流探伤、X光探伤和超声波探伤）。 |
| Quality Guarantee |
| 1.Chemical analysis:chemical analysis regarding
material quality a chemical composition to be found in conformity
with the standard stipulations. |
| 2.Atmospheric pressure and hydraulic test:hydraulic
test have been expermented to pressur hoses one by one,under stated
pressure value within atime noet less than 5 seconds.No leakage being
found routine supplied hydraulic pressure test is 2.45 Mpa,and atmospheric
pressure test is P-0.59 Mpa. |
| 3.Corrosion test:corrosion-resistance test
have been experimented to the supplied industrial corrosionsteel piper
exactly in conformity with the standard stipulations or corrosion
measures agreed uponby both parties and no tendency og intercrystalline
corrosion is permitted. |
| 4.Technical performances test:flattening
test,tensile test impact test,flaring test,hardness test,metallorg
aphic test,bending test,nondestructive inspection(including eddy current
test,X ray and ultrasonic test). |
| 不锈钢棒标准重量：Standard
weight of stainless steel pipe |
钢号
Steel Grade |
比重
Specific Gravity |
计算公式
Calculating formula |
| SUS304TP |
7.93 |
W=0.006228×D2 |
| SUS316TP |
7.98 |
W=0.006267×D2 |
|
| |
| 不锈钢管标准重量：Standard
weight of stainless steel stlck |
钢号
Steel Grade |
比重
Specific Gravity |
计算公式
Calculating formula |
| SUS304 |
7.93 |
W=0.02491×t×(D-t) |
| SUS316 |
7.98 |
W=0.02507×t×(D-t) |
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