Duplex Steel Nuts and Bolts


We, at Amco Metals, plant and feed quality and variation and focus them into our outputs through constant efforts and quality control. We service our buyers a premium quality product profile, assisting them to choose a suitable one for their industry. We are an ISO 9001: 2008 certified company, committed to building and maintaining customer oriented engagements.

We are a manufacturer, trader, stockist, supplier, and exporter of Duplex Steel 31803/2205 Fasteners that are known for their good strength, which is also a factor that they are light weight. Our UNS S2205 Duplex Steel Eye Bolts are hardware devices that mechanically fastened or clamped, either permanently or temporarily. They are quick to fit and remove too.

DUPLEX 2205 BOLTS, DUPLEX 2205 FASTENERS, UNS S32205 BOLTS SUPPLIERS, DUPLEX 2205 BOLTS SUPPLIERS, DUPLEX FASTENERS MANUFACTURER, UNS S32205 BOLTS MANUFACTURERS, UNS S32205 FASTENERS SUPPLIERS, UNS S32205 FASTENERS MANUFACTURERS, 2205 DUPLEX FASTENERS MANUFACTURERS, 2205 DUPLEX FASTENERS SUPPLIERS, DUPLEX FASTENERS SUPPLIER, Duplex 2205 Bolts Dimensions Chart.

Duplex Steel Fasteners

Duplex Steel Fasteners

Duplex Steel Fasteners

Duplex Steel UNS S31803 Stud

Duplex Steel UNS S31803 Stud

Duplex Steel UNS S31803 Stud

Duplex Steel UNS S32205 Screw

Duplex Steel UNS S32205 Screw

Duplex Steel UNS S32205 Screw

UNS S31803 Duplex Steel Stud Bolts are fully threaded and use hex nuts to hold a piece in between. Usually, flanges are bolted using these fasteners in the petrochemical industry.

We have a check on market drifts and needs, to produce new, sustainable and efficient products capable of undergoing customization. We have built a decent portfolio of robust products over the span of 25 years.


DUPLEX STEEL UNS S32205 SCREW, DUPLEX STEEL NUTS SUPPLIER, UNS S31803 HEAVY HEX NUTS EXPORTER, DUPLEX STEEL UNS S31803 FASTENERS MANUFACTURER, DUPLEX STEEL UNS S32205 FASTENERS SUPPLIER, DUPLEX STAINLESS STEEL FASTENERS, DUPLEX FASTENERS, DUPLEX STEEL UNS S32205 EYE BOLTS, DUPLEX STEEL UNS S31803 STUD, DUPLEX STEEL NUTS EXPORTER, DUPLEX STEEL BOLTS EXPORTER, Dimension Of Duplex 2205 Fasteners.

Duplex 2205 Bolts Dimension Standard

NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNEASTM A193 ACROASTM A193 THE FLATS ACROASTM A193 CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

Duplex Steel Fasteners Specification

Specifications : ASTM / ASME A479

Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43

Size : 1/2" to 24" NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS

Length :M02 to M30

Type : Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc.


Duplex Steel UNS S31803 Fasteners Equivalent Grade

STANDARD  WERKSTOFF NR. UNS
Duplex UNS S31803 1.4462 S31803
Duplex UNS S32205 1.4462 S32205

 

Duplex Fasteners Size Chart

Nut Size
(mm)
Diameter*
(mm)
Height
(mm)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2 -
2.5 5 2 1.6 -
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5 -
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20

Duplex Steel UNS S31803 Fasteners Chemical Composition

Grade  C Mn Si P S Cr Ni Mo N Fe
Duplex S31803 0.030 max. 2.00 max. 1.00 max. 0.030 max. 0.020 max. 22.0 – 23.0 4.50 – 6.50 3.0 – 3.5 0.14 – 0.20 63.72 min.
Duplex S32205 0.030 max. 2.00 max. 1.00 max. 0.030 max. 0.020 max. 21.0 – 23.0 4.50 – 6.50 2.50 – 3.50 0.08 – 0.20 63.54 min

 

Duplex Steel UNS S32205 Fasteners Mechanical Properties

Element  Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Duplex S31803 7.805 0.285 1420 – 1465 2588 – 2669 25
Duplex S32205 7.805 0.285 1420 – 1465 2588 – 2669 25

 

 

Applications Industry

  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals

 

Our Main Export Countries

  •   ASIA - Thailand, Singapore, Sri lanka, Bangladesh
  •   Middle East - Kuwait, Dubai, Saudi Arabia, Qatar, Oman, Bahrain, Jordan
  •   Europe - United Kingdom, Italy, Belgium, France, Croatia, Spain
  •   South America - Argentina, Chile, Brazil, Colombia, Paraguay
  •   Africa - Ghana, South Africa

 

Other Types Of Duplex Steel Fasteners

Duplex Steel UNS S31803 Fasteners Duplex Steel UNS S32205 Fasteners
Duplex Steel S31803 Hex Bolts Duplex Steel Werkstoff Nr. 1.4462 Heavy Hex Nuts
ASME 16.9 Duplex Steel Stud Bolts AISI B16.28 Duplex Steel Washers
Duplex Steel UNS S32205 Anchor Bolts Duplex Steel UNS S31803 Eye Bolts
Duplex Steel Fasteners Duplex Steel U Bolts
Duplex Steel UNS S31803 Heavy Hex Bolts Duplex Steel UNS S32205 Flat Washer
ASTM A479 Lock Nut Manufacturer Duplex Steel Square Bolts
ASME Duplex Steel Double Ended Stud Stock Holder Duplex ASME SA479 Square Nut
Duplex Steel UNS S31803 Cap Screw Duplex Steel UNS S32205 Fender Washer Exporter
Duplex Steel UNS S32205 Foundation Bolts Duplex Steel UNS S31803 Pan Screw
Duplex Steel UNS S31803 Pan Head Screw Duplex Steel UNS S32205 Countersunk Slotted Screw Exporter
ANSI B16.9 Duplex Locking Nuts Stockist Duplex Steel Fasteners Manufacturer
Duplex Steel UNS S31803 Bolts Duplex Steel UNS S32205 Nuts Supplier
Duplex Steel Uns S31803 Fasteners Supplier Duplex Steel Nuts Manufacturer

 

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Countries we have exported our products to:

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

 

Cities we have supplied our products to:

Lagos, Kolkata, Mumbai, Dubai, Melbourne, Colombo, La Victoria, Nagpur, Vadodara, Ranchi, Ahmedabad, Milan, New Delhi, Singapore, Ludhiana, Kanpur, Dallas, Visakhapatnam, Toronto, Doha, Muscat, Port-of-Spain, Baroda, Jakarta, Jaipur, Noida, Rajkot, Montreal, Ho Chi Minh City, Atyrau, Santiago, Moscow, Thane, Jamshedpur, Sydney, Pimpri-Chinchwad, Gurgaon, Chiyoda, Caracas, Granada, Bhopal, Karachi, Istanbul, Lahore, Hyderabad, Gimhae-si, Coimbatore, Howrah, Ernakulam, Kuala Lumpur, Kuwait City, Aberdeen, London, Algiers, Al Khobar, Mexico City, Brisbane, Manama, Busan, Al Jubail, Bangkok, Geoje-si, Nashik, Bogota, Houston, Vung Tau, Bengaluru, Chandigarh, Surat, Indore, Rio de Janeiro, Ahvaz, New York, Pune, Faridabad, Ulsan, Sharjah, Petaling Jaya, Thiruvananthapuram, Los Angeles, Courbevoie, Navi Mumbai, Seoul, Hanoi, Dammam, Ankara, Edmonton, Abu Dhabi, Cairo, Tehran, Riyadh, Perth, Jeddah, Madrid, Calgary, Chennai, Secunderabad, Haryana, Hong Kong.