Duplex / Super Duplex Steel Sheet, Plate Manufacturer, Supplier In Mumbai India

Alpha Overseas offers a large selection of Duplex/ Super Duplex Sheet/ Plate of the highest quality to all our esteemed clients worldwide. Duplex and super duplex sheets and plates are valued in applications that need excellent strength and strong corrosion resistance. Low thermal expansion coefficient, high thermal conductivity, and excellent resistance to chloride stress corrosion are all features of duplex and super duplex sheets and plates. The high amounts of molybdenum, chromium, and nitrogen provide the outstanding resistance to the aperture, pitting, and general corrosion.

Duplex/ Super Duplex Sheet/ Plate are available from us in a range of dimensions, grades, lengths, kinds, ends, forms, thicknesses, widths, and surface finishes. These premium sheets are used in the petrochemical industry, offshore, marine, ship and cruise building, heat exchanger, pulp and paper industry, pipe and tube, heat exchanger, and oil and gas sector equipment.

Super Duplex Steel Plates, Super Duplex Steel Sheet Supplier, Duplex Steel Plate Manufacturers, DSS Plate, Duplex Steel Sheets, SDSS Sheet, Super Duplex Steel Plates Supplier in Mumbai, India.

We use more molybdenum and chromium in our Super Duplex plates to increase their strength and resistance. These goods are far more resistant to chloride corrosion cracking stress because of their increased austenite and ferrite composition. These plates are well suited for use in demanding tasks that require strong endurance and excellent resistance to chloride conditions. According to the needs of our esteemed clients, we provide Super duplex sheets. We use raw materials of the highest calibre to produce these sheets and plates.

The Duplex/ Super Duplex Sheet/ Plate we provide have a variety of characteristics, including good workability and weldability, high strength, a combination of ferritic and austenitic properties, a low thermal expansion rate, etc. Due to these characteristics, Duplex/ Super Duplex Sheet/ Plate are widely employed in a range of applications, including:

  • Exchangers of heat
  • Pipes in oil fields
  • Food processing machinery
  • Seawater apparatus
  • Vessel for chemical processes
  • Petrochemical machinery
  • Washers for bleach
  • Digesters for pulp mills
  • Vessel chip sealing

Super Duplex Steel Sheet Specifications

Standards ASTM A240 / ASME SA240
Dimensions ASTM, ASME, and API
Sheets Plates Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Sheets Plates Thickness 4mm-100mm
Sheets Plates Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface Finish 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Types Sheets, Plates, Chequered Plate
Duplex / Super Duplex Steel Sheet, Plate

Duplex Steel 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

Super Duplex Steel Sheets 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

Duplex 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]

Super Duplex Steel 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 Duplex Steel Plate

Sheets

Duplex / Super Duplex Steel Sheets

  • SDSS Sheet
  • Duplex Stainless Steel Sheet
  • DSS Sheets
  • ASTM A240 Super Duplex Steel Sheet
  • ASME SA240 Duplex Steel Sheets
  • Duplex Steel CR Sheets
Plates

Duplex / Super Duplex Steel Plates

  • Super Duplex Stainless Steel Plate
  • Super Duplex Steel HR Plates
  • DSS Plates
  • ASME SA240 Super Duplex Steel Plates
  • ASTM A240 Duplex Steel Plate
Coils

Duplex / Super Duplex Steel Coils

  • Duplex Steel HR Coil
  • DSS Cold Rolled Coil
  • ASTM A240 Duplex Steel Coil
  • Duplex Steel Coil

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We offer These Duplex / Super Duplex Steel Sheet, Plate as per DIN, ISO, JIS or ANSI / ASME Standard.

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Applications of Duplex Steel plate

Oil & Gas Industry

Oil & Gas Industry

Power Generation Industry

Power Generation Industry

Petrochemical Industry

Petrochemical Industry

Chemical Industry

Chemical Industry

Cement Industry

Cement Industry


We Export Super Duplex Sheet Across the Globe

Finland, Belarus, Libya, Kenya, Venezuela, Qatar, Gambia, Oman, Australia, Sri Lanka, Bolivia, Romania, Ireland, Ecuador, Austria, Kazakhstan, Gabon, Tunisia, Lebanon, Greece, Czech Republic, Mexico, Indonesia, China, Mongolia, Kuwait, Sweden, Malaysia, Denmark, Slovakia, Hungary, Algiera, United States, Iran, Russia, United Arab Emirates, Bulgaria, Jordan, Pakistan, Puerto Rico, Italy, Nepal, Azerbaijan, Croatia, Iraq, Colombia, columbia, Switzerland, Nigeria, Hong Kong, Vietnam, Costa Rica, Taiwan, Portugal, Japan, Thailand, Turkey, Belgium, South Africa, Tibet, Brazil, Chile, France, Philippines, Trinidad & Tobago, Lahore, Angola, Morocco, United Kingdom, Serbia, Estonia, Macau, Poland, Afghanistan, Saudi Arabia, Canada, Norway, Singapore, Yemen, Spain, Egypt, New Zealand, Israel, Peru, Argentina, Namibia, Algeria, Lithuania, South Korea, India, Zimbabwe, Bhutan, Ukraine, Bahrain, Bangladesh, Ghana, Netherlands, Germany.

Domestic Supply Duplex Steel Plate

Mumbai, Gurgaon, Secunderabad, Hyderabad, Pimpri-Chinchwad, New Delhi, Noida, Ludhiana, Thiruvananthapuram, Pune, Indore, Chandigarh, Surat, Ranchi, Navi Mumbai, Ahmedabad, Nashik, Bhopal, Faridabad, Bengaluru, Jamshedpur, Haryana, Visakhapatnam, Kolkata, Chennai, Nagpur, Jaipur, Rajkot, Kanpur, Ernakulam , Thane, Howrah.