Product : ASME SA387 Chrome Moly Pressure Vessel Steel Plates
Kategori : Pressure Vessels and Boilers Steel Plate
Standard: ASME SA 387
Grades : 5,9,11,12,22 & 91
Equivalent
EN 10028-2, BS1501, 16Mo3, 13CrMo4-5, 13CrMoSi5-5, 10CrMo9-10, 12CrMo9-10, X12CrMo5, X10CrMoVNb9-1
Characteristic
Pelat baja karbon dapat di las yang digunakan untuk tangki dan boiler bertekanan dalam suhu tinggi. Manfaat Bahan dari menambahkan kromium dan molibdenum yang memberikan ketahanan baja terhadap korosi yang lebih besar dan tahan terhadap panas.
Availability
Plate
Thickness: 6 - 30mm
Size: 1500 x 6000mm
Chemical Composition (%)
| Gr | C | Si | Mn | P max | S max | Cr | Mo | V |
| 5 | 0.15 max | 1.05 max | 0.25-0.66 | 0.030 | 0.030 | 7.90-10.10 | 0.85-1.15 | - |
| 9 | 0.15 max | 0.55 max | 0.25-0.66 | 0.035 | 0.030 | 3.90-6.10 | 0.40-0.70 | 0.05 |
| 11 | 0.04-0.17 | 0.44-0.86 | 0.35-0.73 | 0.035 | 0.035 | 0.94-1.56 | 0.45-0.70 | - |
| 12 | 0.04-0.17 | 0.13-0.45 | 0.35-0.73 | 0.035 | 0.035 | 0.74-1.21 | 0.40-0.65 | - |
| 22 | 0.04-0.15 | 0.50 max | 0.25-0.66 | 0.035 | 0.035 | 1.88-2.62 | 0.85-1.15 | - |
| 91 | 0.06-0.15 | 0.18-0.56 | 0.25-0.66 | 0.025 | 0.012 | 7.90-9.60 | 0.80-1.10 | 0.16-0.27 |
SA387 Grade 91: Nickel: 0.43% max, Titanium: 0.01%, Zirconium: 0.01%, Al: 0.02%, Nitrogen: 0.025-0.080%, Columbium: 0.05-0.11%
Nominal Chromium & Molybdenum Content (according to the ASME Specification)
| Designation | Nominal Chromium | Nominal Molybdenum |
| SA387 Grade 5 | 5.00% | 0.50% |
| SA387 Grade 9 | 9.00% | 1.00% |
| SA387 Grade 11 | 1.25% | 0.50% |
| SA387 Grade 12 | 1.00% | 0.50% |
| SA387 Grade 22 | 2.25% | 1.00% |
| SA387 Grade 91 | 9.00% | 1.00% |
Mechanical Properties
| Properties | 5 & 9 | 11 | 12 | 22 | 91 |
| Tensile Strength (MPa) | 515-690 | 515-690 | 450-585 | 515-690 | 585-760 |
| Yield Strength (MPa) | 310 | 310 | 275 | 310 | 415 |
| Elongation (%) Min | 18 | 22 | 22 | 18 | 18 |
| Reduction of area, min % | 40-45 | - | - | 40-45 | - |
Application
Oil, gas and petrochemical industry
Related Grade:
ASME SA387 Gr.5 | ASME SA387 Gr.9 | ASME SA387 Gr.11 | ASME SA387 Gr.12 | ASME SA387 Gr.22 | ASME SA387 Gr.91
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[Referensi: http://www.abrexplates.com/alloy-steel-GR-12.html]