Manufacturer, Supplier, Exporter & Stockiest of SA387 Grade 11 Steel Plates
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Jaiti Steel is a reputable manufacturer, exporter, and stockiest of a wide range of steel pipes and tubes. With a strong commitment to quality and customer satisfaction, we have established ourselves as a trusted name in the steel industry. Our company is dedicated to providing reliable and durable steel solutions to meet the diverse needs of our clients.
We prioritize quality at every stage of our manufacturing process. Jaiti Steel adheres to stringent quality control measures to ensure that all our products meet international standards and specifications. Our team of skilled professionals monitors each production phase, from sourcing raw materials to the final inspection, to guarantee the highest level of quality.
As a pressure vessel grade steel for use in elevated temperature service, ASME SA387 Grade 11 Steel Plate is used in a variety of industries and is highly effective, particularly in the oil, gas and petrochemical industry, where liquids and gases are often stored at higher temperatures.
The higher levels of chromium also provide excellent corrosion and oxidation resistance, which is a must in sour gas applications
The ASME SA387 standards covers the supply of weldable chrome molybdenum alloy steel plates for pressure vessels used in elevated temperature service.
The added molybdenum and chromium provides excellent corrosion resistance and high temperature resistance respectively.
ASME SA387 Grade 5 standard plates are used by the world’s leading fabricators who in turn, supply primarily to the oil and petrochemical industry. Applications for ASME SA387 include pressurized vessels, industrial boilers, heat exchangers and Pipe work.
ASME SA387 Specification
The ASME SA387 standard covers the supply of weldable chrome molybdenum alloy steel plates for pressure vessels used in elevated temperature service.
The added molybdenum and chromium provides excellent corrosion resistance and high temperature resistance respectively.
ASME SA387 standard plates are used by the world’s leading fabricators who in turn, supply primarily to the oil and petrochemical industry.
Sourced from some of Western Europe’s & India’s finest steel mills, Prosaic Steel and Alloys stock a wide range of ASME SA387 Class 2 plates which are available for shipment worldwide.
Chemical Composition(%, max)
| Elements (%) | ASME SA387 Grade 5 | ASME SA387 Grade 9 | ASME SA387 Grade 11 | ASME SA387 Grade 12 | ASME SA387 Grade 22 | ASME SA387 Grade 91 | |||||||
| Carbon | Heat | 0.15 max | 0.15 max | 0.05–0.17 | 0.05–0.17 | 0.05–0.15a | 0.08–0.12 | ||||||
| Product | 0.15 max | 0.15 max | 0.04–0.17 | 0.04–0.17 | 0.04–0.15a | 0.06–0.15 | |||||||
| Manganese | Heat | 0.30–0.60 | 0.30–0.60 | 0.40–0.65 | 0.40–0.65 | 0.30–0.60 | 0.30–0.60 | ||||||
| Product | 0.25–0.66 | 0.30–0.60 | 0.35–0.73 | 0.35–0.73 | 0.25–0.66 | 0.25–0.66 | |||||||
| Phosphorus, max | Heat | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.020 | ||||||
| Product | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | |||||||
| Sulphur, max | Heat | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.010 | ||||||
| Product | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.012 | |||||||
| Silicon | Heat | 0.50 max | 1.00 max | 0.50–0.80 | 0.15–0.40 | 0.50 max | 0.20–0.50 | ||||||
| Product | 0.55 max | 1.05 max | 0.44–0.86 | 0.13–0.45 | 0.50 max | 0.18–0.56 | |||||||
| Chromium | Heat | 4.00–6.00 | 8.00–10.00 | 1.00–1.50 | 0.80–1.15 | 2.00–2.50 | 8.00–9.50 | ||||||
| Product | 3.90–6.10 | 7.90–10.10 | 0.94–1.56 | 0.74–1.21 | 1.88–2.62 | 7.90–9.60 | |||||||
| Molybdenum | Heat | 0.45–0.65 | 0.90–1.10 | 0.45–0.65 | 0.45–0.60 | 0.90–1.10 | 0.85–1.05 | ||||||
| Product | 0.40–0.70 | 0.85–1.15 | 0.40–0.70 | 0.40–0.65 | 0.85–1.15 | 0.80–1.10 | |||||||
| Nickel | Heat | – | – | – | – | – | 0.40 | ||||||
| Product | – | – | – | – | – | 0.43 | |||||||
| Vanadium | Heat | – | 0.04 max | – | – | – | 0.18–0.25 | ||||||
| Product | – | 0.04 max | – | – | – | 0.16–0.27 | |||||||
| Columbium | Heat | – | – | – | – | – | 0.06–0.10 | ||||||
| Product | – | – | – | – | – | 0.05–0.11 | |||||||
| Nitrogen | Heat | – | – | – | – | – | 0.030–0.070 | ||||||
| Product | – | – | – | – | – | 0.025–0.080 | |||||||
| Aluminum, max | Heat | – | – | – | – | – | 0.02 | ||||||
| Product | – | – | – | – | – | 0.02 | |||||||
| Titanium, max | Heat | – | – | – | – | – | 0.01 | ||||||
| Product | – | – | – | – | – | 0.01 | |||||||
| Zirconium, max | Heat | – | – | – | – | – | 0.01 | ||||||
| Product | – | – | – | – | – | 0.01 | |||||||
| a The carbon content for plates over 5 in. [125 mm] in thickness is 0.17 max on product analysis. | |||||||||||||
Mechanical Properties
| Grades 2 and 12 | Grade 11 | Grades 22, 21, 5, 9, 21L, 22L | |
| Tensile strength, ksi [MPa] | 55 to 80 [380 to 550] | 60 to 85 [415 to 585] | 60 to 85 [415 to 585] |
| Yield strength, min, ksi [MPa] | 33 [230] | 35 [240] | 30 [205] |
| Elongation in 8 in. [200 mm], min, % a | 18 | 19 | – |
| Elongation in 2 in. [50 mm], min, % a | 22 | 22 | 18 |
| Reduction of area, min, % | – | – | 45 b |
| – | – | 40 c | |
| a See Specification A20/A20M, elongation adjustments. b Measured on round test specimens. c Measured on flat specimen. | |||
Physical Properties
| Grade 2 | Grade 11 | Grade 12 | Grades 22, 21, 5, 9 | Grade 91 | |
| Tensile strength, ksi [MPa] | 70 to 90 [485 to 620] | 75 to 100 [515 to 690] | 65 to 85 [450 to 585] | 75 to 100 [515 to 690] | 70 to 90 [585 to 760] |
| Yield strength, min, ksi [MPa]/(0.2 % offset) | 45[310] | 45[310] | 40[275] | 45[310] | 60[415] |
| Elongation in 8 in. [200 mm], min, % b | 18 | 18 | 19 | – | – |
| Elongation in 8 in. [50 mm], min, % b | 22 | 22 | 22 | 18 | 18 |
| Reduction of area, min, % | – | – | – | 45 b | – |
| – | – | – | 45 c | – | |
| a Not applicable to annealed material. b See Specification A20/A20M, elongation adjustments. c Measured on round test specimens. d Measured on flat specimen. | |||||
We Export Our Pipes & Tubes Worldwide
We export SA387 Grade 11 Steel Plates to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East.etc.