The Alloy Steel grade 91 Sheets & Plates are utilized in oil services, gas processing machinery, boilers, heaters, and reheater lines. After welding, the material must be cooled to below 100 degrees Celsius before being used. The Alloy Steel grade 91 Sheets & Plates have minimum yield strength of 415 MPa and a minimum tensile strength of 585 MPa due to the composition of the material. The improved strength and corrosion resistance of the grade 91 Alloy Steel structure is primarily due to the chromium and molybdenum composition.
For Alloy Steel grade 91 Sheets & Plates, Alpha Overseas is a reputable manufacturer, distributor, and supplier. It has been a long time since they started producing sheets, plates, coils, and bars. In light of this, they are knowledgeable enough in this area. They make sheets and plates in various forms and sizes using cutting-edge equipment and techniques. As requested by the buyer, they can also alter sheets and plates.
1% molybdenum and 9% chromium are found in alloy steel grade 91. Added strength and oxidation resistance are provided by the chromium in the alloy. A product's creep resistance is improved by molybdenum, though. Furthermore, this alloy has minor additions of nickel and manganese, which raises its hardness.
Alloy Steel Grade 91 Sheet, Alloy Steel Grade 91 Plates, ASTM A387 AS Grade 91 Plates, A387 Gr 91 Cl 2 Alloy Steel Plate Manufacturers, A387 Gr 91 Class 1 Alloy Steel Sheet Supplier, A387 Grade 91 Cl 1 Sheets, ASTM A387 Gr 91 Class 1 Plate Supplier in Mumbai, India.
Steam boilers, boiler parts, pressure vessels, and similar applications are where alloy steel grade 91 is most frequently utilized. Additionally, it is employed in operations involving temperatures as high as 650°C. Petrochemicals, power generation, heat exchangers, chemical equipment, pulp and paper sector, and petrochemicals are the key industries that manufacture alloy steel grade 91 sheets and plates.
We test each sheet and plate we produce separately to look for contaminants and flaws. We execute several tests, including hardness, mechanical, pitting resistance, flattening, and chemical analyses. After testing, an inspection team checks the product for flaws.
We produce Alloy Steel grade 91 Sheets & Plates in a range of thickness, diameter, kinds, and forms. Shim sheets, chequered plates, and perforated sheets are some of the several types of sheets and plates accessible to you.
Equivalent Grades Of Alloy Steel Gr.91 Plate
| Grade | UNS |
| Gr 91 | K90901 |
Chemical Composition of AS Grade 91 Sheet
| Grade | C | Mn | Si | P | S | Cr | Mo |
| A387 Gr. 91 | 0.05-0.20 | 0.3-0.6 | 0.5 | 0.045 max | 0.03 max | 0.8-1.25 | 0.044-0.65 |
Mechanical Properties of Alloy Steel Gr 91 Plate
| Tensile Strength | Yield Strengtd (0.2%Offset) | Elongation |
| 205 | 415 | 20 % |
Alloy Steel Grade 91 Sheets Plate Thickness Tolerance Chart
| Gauge | LB/Sq. Ft. | LB/Sq In. | Plate Gauge Tolerance | ||
|---|---|---|---|---|---|
| 72″ Wide | 96″ Wide | ||||
| 3/16 | 0.1875 | 8.579 | 0.05958 | +.045″ -.010″ | +.050″ -.010″ |
| 7/32 | 0.2187 | 9.870 | 0.06854 | ||
| 1/4 | 0.2500 | 11.162 | 0.07750 | ||
| 5/16 | 0.3125 | 13.746 | 0.09546 | ||
| 3/8 | 0.3750 | 16.496 | 0.11456 | +.055″ -.010″ | +.060″ -.010″ |
| 7/16 | 0.4375 | 19.080 | 0.13250 | ||
| 1/2 | 0.5000 | 21.633 | 0.15044 | ||
| 9/16 | 0.5625 | 24.247 | 0.16838 | ||
| 5/8 | 0.6250 | 26.831 | 0.18633 | ||
| 11/16 | 0.6875 | 29.415 | 0.20427 | ||
| 3/4 | 0.7500 | 32.123 | 0.22308 | +.060″ -.010″ | +.065″ -.010″ |
| 13/16 | 0.8125 | 34.707 | 0.24102 | ||
| 7/8 | 0.8750 | 37.291 | 0.25897 | ||
| 15/16 | 0.9375 | 39.875 | 0.27691 | ||
| 1 | 1.0000 | 42.665 | 0.29628 | +.070″ -.010″ | +.075 -.010″ |
| 1-1/8 | 1.1250 | 47.833 | 0.33217 | ||
| 1-1/4 | 1.2500 | 53.001 | 0.36806 | ||
| 1-3/8 | 1.3750 | 58.169 | 0.40395 | ||
| 1-1/2 | 1.5000 | 63.337 | 0.43984 | ||
| 1-3/4 | 1.7500 | 73.672 | 0.51161 | ||
| 2 | 2.0000 | 84.008 | 0.58339 | +.125″ -.010″ | +.150″ -.010″ |
| 2-1/8 | 2.1250 | 89.610 | 0.62229 | ||
| 2-1/4 | 2.2500 | 94.777 | 0.65817 | ||
| 2-1/2 | 2.5000 | 105.113 | 0.72995 | ||
| 2-3/4 | 2.7500 | 115.449 | 0.80173 | ||
| 3 | 3.0000 | 126.301 | 0.87709 | +.150″ -.010″ | +.160″ -.010″ |
| 3-1/2 | 3.5000 | 146.972 | 1.02064 | ||
| 4 | 4.0000 | 168.264 | 1.16850 | +.180″ -.010″ | +.200″ -.010 |
Alloy Steel Gr.91 Plate Thickness Chart In Mm
| Plate Thickness (mm) |
Plate Weight (kg/m2) |
|---|---|
| 2.0 | 15.7 |
| 1.6 | 12.6 |
| 3 | 23.6 |
| 2.5 | 19.6 |
| 3.2 | 25.1 |
| 5 | 39.3 |
| 4 | 31.4 |
| 6 | 47.1 |
| 10 | 78.5 |
| 8 | 62.8 |
| 12.5 | 98.1 |
| 20 | 157 |
| 15 | 118 |
| 22.5 | 177 |
| 30 | 236 |
| 25 | 196 |
| 32 | 251 |
| 40 | 314 |
| 35 | 275 |
| 45 | 353 |
| 55 | 432 |
| 50 | 393 |
| 60 | 471 |
| 70 | 550 |
| 65 | 510 |
| 75 | 589 |
| 250 | 1963 |
| 90 | 707 |
| 80 | 628 |
| 150 | 1178 |
| 100 | 785 |
| 120 | 942 |
| 110 | 864 |
| 130 | 1051 |
| 180 | 1413 |
| 160 | 1256 |
| 200 | 1570 |
Alloy Steel Grade 91 Sheets and Plates Thickness Tolerance
Plate Width (w), in. [mm] |
||||
|---|---|---|---|---|
| Specified Thickness (t), in. [mm] | w > 144 [ 3658] | 84 [2134] < w ≤ 120 [3048] | w ≤ 84 [2134] | 120 [3048] < w ≤ 144 [3658] |
Tolerance Over Specified Thickness, *** in. [mm] |
||||
| 3/4 [19.05] ≤ t < 1 [25.04] | 0.100 [2.54] | 0.065 [1.65] | 0.060 [1.52] | 0.085 [2.16] |
| 8 [203.2] ≤ t < 10 [254.0] | 0.550 [14.0] | 0.335 [8.50] | 0.315 [8.00] | 0.435 [11.0] |
| 2 [ 50.80] ≤ t < 3 [76.20] | 0.200 [5.08] | 0.150[3.80] | 0.125 [3.20] | 0.175 [4.45] |
| 3/16 [4.76] ≤ t < 3/8 [9.52] | -- | 0.050 [1.27] | 0.045 [1.14] | 0.085 [2.16] |
| t < 3/16 [4.76] | -- | 0.070 [1.78] | 0.055 [1.35] | -- |
| 1 [25.40] ≤ t < 2 [50.80] | 0.115 [2.92] | 0.075 [1.90] | 0.070 [1.78] | 0.095[2.41] |
| 4 [101.6] ≤ t < 6 [152.4] | 0.355 [9.02] | 0.200 [5.08] | 0.180 [4.75] | 0.335 [8.50] |
| 3 [76.20] ≤ t < 4 [101.6] | 0.225 [5.72] | 0.160 [4.06] | 0.150 [3.81] | 0.200 [5.08] |
| 6 [152.4] ≤ t < 8 [203.2] | 0.435 [11.0] | 0.255 [6.48] | 0.235 [6.00] | 0.355 [9.02] |
Alloy Steel Gr 91 Sheets & Plate Standard Size Chart
| 2000MM X 1000MM X 3MM | 2000MM X 1000MM X 6MM |
| 2500MM X 1250MM X 4MM | 2500MM X 1250MM X 8MM |
| 3000MM X 1500MM X 3MM | 3000MM X 1500MM X 6MM |
| 3000MM X 1500MM X 4MM | 3000MM X 1500MM X 8MM |
| 2000MM X 1000MM X 5MM | 2500MM X 1250MM X 10MM |
| 2500MM X 1250MM X 3MM | 2500MM X 1250MM X 6MM |
| 4000MM X 2000MM X 3MM | 4000MM X 2000MM X 6MM |
| 2500MM X 1250MM X 5MM | 3000MM X 1500MM X 10MM |
| 2000MM X 1000MM X 4MM | 2000MM X 1000MM X 8MM |
| 4000MM X 2000MM X 4MM | 2000MM X 2000MM X 10MM |
| 3000MM X 1500MM X 5MM |
Different Types of Alloy Steel Grade 91 Sheet
Alloy Steel Grade 91 Sheet
- ASME SA387 Alloy Steel Grade 91 Sheets
- Alloy Steel Gr 91 Sheet
- Chromium Molybdenum Grade 91 Sheet
Alloy Steel Grade 91 Plates
- ASTM A387 Alloy Steel Grade 91 Plates
- Alloy Steel Gr 91 Plates
- CrMo Grade 91 Plates
Alloy Steel Grade 91 Coils
- ASTM A387 AS Gr 91 Coils
- Alloy Steel Gr 91 Coils
- Cr-Mo Grade 91 Coils
Specialized in Following Alloy Steel Gr.91 Plate
- ASTM A387 Grade 91 Cl.1/2 Sheets Manufacturer in Mumbai
- UNS K90901 Plates
- Alloy Steel Gr 91 CL.2 Sheet Manufacturer In Mumbai
- A387 Alloy Steel Gr.91 Sheet Price
- ASTM A387 Grade 91 Cl.1/2 Sheets
- ASTM A387 AS Gr 91 CL.2 Sheet Price
- Alloy Steel Grade 91 CL.1 Sheets
- Alloy Steel Grade 91 CL.1 Plate Manufacturers In India
- Alloy Steel Gr 91 CL.2 Plates Manufacturer in India
- Alloy Steel Grade 91 Class 2 Sheet Metal Gauge Chart
- Supplier of Alloy Steel Grade 91 Sheets Plates In Mumbai
- ASME SA387 Alloy Steel Grade 91 Cl 2 Plate Supplier
- Manufacturer of Alloy Steel Gr 91 Sheets in India
- Alloy Steel Grade 91 CL.1 Sheets Supplier In Mumbai
- Alloy Steel Grade 91 CL.1 Sheets Plate Sheets
- Alloy Steel Gr 91 CL 2 Manufacturer In India
- ASTM A387 AS Gr 91 CL.2 Alloy Steel Sheet
- Alloy Steel Gr 91 CL 2 Sheet Manufacturers In India
- Alloy Steel Gr.91 CL 1 Sheet Suppliers
- ASTM A387 Grade 91 Cl.1/2 Sheet Supplier In India
- ASME SA387 Alloy Steel Grade 91 Cl 2 Sheets Dealers
- Alloy Steel Gr.91 CL 1 Plate Weight Chart
- Alloy Steel Grade 91 Class 2 Plates Stockist
- Alloy Steel Grade 91 Class 2 Sheet Thickness
- Alloy Steel Grade 91 CL.1 HR Plates
- A387 Alloy Steel Gr.91 Sheets Supplier
- AS Gr.91 CL 1 CR Plates
- ASTM A387 AS Gr 91 CL.2 Alloy Steel Plate
- Alloy Steel Gr 91 CL.2 Plate Manufacturer In Mumbai
- A387 Alloy Steel Gr.91 Sheets Plate Manufacturers
- Alloy Steel Gr 91 Sheets Stockholder in India
- Weight Of Alloy Steel Gr.91 Sheets
- Alloy Steel Gr 91 Sheet Supplier In Mumbai
- ASTM A387 AS Gr 91 CL.2 Plate Price Per Kg
- Alloy Steel Gr 91 Plate Supplier In Mumbai
- AS Gr.91 CL 1 Plates Exporter
- Alloy Steel Gr 91 CL 2 Sheet Weight Calculator
- ASME SA387 Alloy Steel Grade 91 Cl 2 Hot Rolled Sheets
- Alloy Steel Gr.91 CL 1 Plate Suppliers
- Alloy Steel Gr 91 CL 2 Plate Manufacturer In India
- Alloy Steel Grade 91 Class 2 Plate
- ASME SA387 Alloy Steel Grade 91 Cl 2 Plates Dealers
- Stockist of AS Gr.91 Cl 2 Sheets Plates in Mumbai
- Alloy Steel Grade 91 CL.1 Plates Stockist
- ASTM A387 Grade 91 Cl.1/2 Sheets Supplier in Mumbai
- ASTM A387 Grade 91 Cl.1/2 Plate Supplier In India
Applications of Alloy Steel Grade 91 Sheet
Oil & Gas Industry
Power Generation Industry
Petrochemical Industry
Chemical Industry
Cement Industry
We Export AS Gr 91 Plate Across the Globe
Bolivia, Israel, Norway, Slovakia, Sweden, Serbia, Oman, Estonia, Qatar, Italy, Chile, Nepal, Saudi Arabia, Pakistan, United Kingdom, Tibet, Bangladesh, Germany, Singapore, Bhutan, Lebanon, Costa Rica, Kazakhstan, Indonesia, Ukraine, New Zealand, Turkey, Peru, Bahrain, Vietnam, Thailand, Ireland, Tunisia, Australia, China, Austria, Lahore, Mexico, South Africa, Gabon, Ghana, Namibia, Algiera, Switzerland, Malaysia, Algeria, Hong Kong, Mongolia, Greece, Sri Lanka, United States, Brazil, Japan, Gambia, Portugal, Czech Republic, Iraq, Romania, Jordan, Trinidad & Tobago, Bulgaria, Azerbaijan, Spain, Lithuania, columbia, Kenya, Russia, Denmark, India, Finland, Angola, Afghanistan, Hungary, Taiwan, Nigeria, Iran, Puerto Rico, France, Belarus, Poland, Morocco, United Arab Emirates, Colombia, Zimbabwe, Libya, Argentina, Venezuela, Netherlands, Ecuador,Canada, Croatia, Yemen, Belgium, Philippines, South Korea, Macau, Egypt, Kuwait.
Domestic Supply Alloy Steel Gr.91 Sheet
mumbai, Chandigarh, Surat, Thane, Haryana, Kolkata, Chennai, Jaipur, Nagpur, Jamshedpur, Faridabad, New Delhi,Hyderabad, Howrah, Bengaluru, Navi Mumbai, Secunderabad, Ernakulam , Gurgaon, Pimpri-Chinchwad, Ludhiana, Nashik, Bhopal, Rajkot, Thiruvananthapuram, Indore, Kanpur, Pune, Ranchi, Ahmedabad, Visakhapatnam, Noida.