High--Pressure Seamless Steel Tube for Chemical Fertilizer Equipments
Brief introduction:
Fertilizer special pipe is one of high quality carbon structural steel and alloy steel seamless steel pipes. It is applied to working for chemical equipment and pipeline which working pressure for 10 ~ 30 ma.
Application:
Mainly used for chemical fertilizer equipment in high temperature and high pressure pipe conveying fluid
Main specifications:
1) Process method:Cold drawn / coldrolled
2) O. D.: 1/4'' - 24''
3) W. T.:SCH20~SCH160, XXS
4) Grades:TP304, TP304L, TP316, TP316L, TP321
5) Standards:ASTM A53B, ASTMA106B, ASTMA210A1, ASTMA315B, GB8162-1999, GB8163-1999, GB3087-99, GB5310-99, GB6479-86, GB9948-88
Mechanical capacity&Chemical composition:
Standard | Grade | Chemical composition (%) |
C | Si | Mn | Ni | Cr | Mo | P. S |
GB9948 | 10 | 0.17 ~0.14 | 0.17~0.37 | 0.35 ~ 0.65 | ≤ 0.25 | ≤ 0.15 | / | ≤ 0.035 |
20 | 0.17~ 0.24 | 0.17 ~0.37 | 0.35 ~0.65 | ≤ 0.25 | ≤ 0.25 | / | ≤ 0.035 |
12CrMo | 0.08~0.15 | 0.17 ~0.37 | 0.40 ~0.70 | ≤ 0.30 | 0.40~ 0.70 | 0.40 ~0.55 | ≤ 0.035 |
15CrMo | 0.12 ~ 0.18 | 0.17 ~0.37 | 0.40~ 0.70 | ≤ 0.30 | 0.80 ~1.10 | 0.40~0.55 | ≤ 0.035 |
Mechanical properties | Tensile strength (MPa) | Yield strength(MPa) | Elongation percentage(%) |
10 | 330 ~490 | ≥ 205 | ≥ 24 |
20 | 410 ~550 | ≥ 245 | ≥ 21 |
12CrMo | 410 ~560 | ≥ 205 | ≥ 21 |
15CrMo | 440 ~640 | ≥ 235 | ≥ 21 |
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