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|
項目\ 標準 |
GB13296-91 |
GB/T14976-94 | |||
|
牌號 |
0Cr18Ni9 |
1Cr18Ni9Ti |
0Cr18Ni9 |
1Cr18Ni9Ti | |
|
0Cr19Ni10 |
0Cr18Ni10Ti |
0Cr19Ni10 | 0Cr18Ni10Ti | ||
|
0Cr25N20 |
0Cr18Ni12M02Ti |
0Cr25N20 | 0Cr18Ni12M02Ti | ||
|
0Cr17Ni12Mp2 |
1Cr18Ni12M02Ti |
0Cr17Ni12Mp2 | 1Cr18Ni12M02Ti | ||
|
00Cr17Ni14Mp2 |
00Cr19Ni13M03 |
00Cr17Ni14Mp2 | 00Cr19Ni13M03 | ||
|
0Cr18Ni11Nb |
1Cr18Ni11Ti |
0Cr18Ni11Nb | |||
|
屈服強度O0.2(MPa) |
≥175-215 |
≥175-205 | |||
|
抗拉強度Ob(MPa) |
≥480-530 |
≥480-530 | |||
|
延伸率O5(MPa) |
≥35-40 |
≥35 | |||
|
壓扁試驗(mm) |
t≤10mm H=1.09(0.09=t/D) |
t≤10mm H=1.09(0.09=t/D) | |||
|
擴口試驗 (卷邊試驗) |
GB242 a=600 擴18%D |
GB242 t≤10mm 擴10%D a=30O.450或60O | |||
|
晶粒度 |
"*" GB6394 4-7級 |
||||
|
水壓試驗 |
GB241 P=2Rt/D 式中R=Ob/4 Pmax=20 GB7735 A級可不做水壓 |
GB241 P=2Rt/D 式中R=40%O 可用超聲或渦流探傷代替 GB4163 12%t或GB7735 A級 | |||
|
晶腐試驗 |
GB4334.5 |
GB4334.5 | |||
|
無損探傷 |
GB5777 C10級 GB41663 3級 |
經雙方協定,可選做超聲 | |||
|
熱外理 |
要求 |
要求 | |||
|
外徑偏差(mm) |
外 徑 |
允許偏差 |
外徑 |
普通級 |
較高級 |
|
6-10 |
±0.20 |
±0.15 | |||
|
8-30 |
±0.20 |
>10-30 |
±0.30 |
±0.20 | |
|
>30-50 |
±0.40 |
±0.30 | |||
|
>30-50 |
±0.30 |
>50 |
±0.9%D^ |
±0.8%D | |
|
|
|
| |||
|
>50 |
±0.8%D |
|
|
| |
|
|
|
| |||
|
壁厚偏差(mm) 彎曲度(mm/m) |
厚 度 |
允許偏差 |
厚 度 |
普通級 |
較高級 |
|
1.0-3.0 |
±12%t/-10%t |
0.5-1 |
±0.15 |
±0.12 | |
|
>3.0 |
±10%t |
>1-3 |
±14%t |
±12%t/-10%t | |
|
>3 |
±12%t/-10%t |
±10%t | |||
|
t≤15 |
1.5 |
t≤15 |
1.5 | ||
|
>15mm |
2.0 |
t>15mm |
2.0 | ||
|
其他要求 |
可選做硬度試驗 HRB<90 | ||||
| ||