Duplex UNS S31803 Bolt

Duplex S31803 Hex Head Bolt, Grade UNS S31803 Eye Bolt, UNS S31803 Flange Head Bolt, S31803 Duplex U Bolt, ASME SA182 Duplex S31803 Hex Bolt, DIN 1.4462 Allen Bolt, S31803 Duplex Anchor Bolt, ASTM A479 Duplex S31803 Stud Bolt.

What is meant by Duplex Steel UNS 31803 Bolts?

Duplex Steel UNS 31803 Bolts are made of austenitic-ferritic stainless steel, which was developed to be more rigid and highly corrosion-resistant than 300 series stainless steel. It helps users prevent stress corrosion cracking. Duplex steel UNS S31803 is used to manufacture bolts of austenitic and ferritic alloys. Combining these alloys increases the grade’s strength and resistance to several chemical processes. Duplex Steel UNS 31803 Bolts are appropriate for maritime situations, shuttered water systems, and some food processing operations because they are immune to chloride cracking and crevice corrosion due to a mix of chromium, molybdenum, and nitrogen. In chloride and hydrogen sulfide conditions, Duplex Steel UNS 31803 bolts are utilized in maritime and oil and gas extraction and processing.
ss 304l bolt

About Duplex UNS S31803 Bolt

Grade UNS S31803 Allen Bolt, S31803 Duplex Anchor Bolt, UNS S31803 Hex Head Bolt, ASTM A479 Duplex S31803 Eye Bolt, ASME SA479 Duplex S31803 Flange Head Bolt, Duplex S31803 Hex Bolt, DIN 1.4462 U Bolt.

At -50 degrees Celsius, Duplex UNS S31803 bolts transform from ductile to brittle. It can also become brittle at temperatures between 300 and 1000 degrees Celsius. Therefore, a proposed temperature range is -50 to 300 degrees Celsius. Such bolts get embrittled when exposed to temperatures higher than 300 degrees Celsius and lose their ability to resist corrosion. Duplex UNS S31803 Bolts offer a better corrosion alternative to stainless steel because they exhibit superior sulfide corrosion resistance, chloride etching rigidity, and crevice corrosion resistance compared to 317L. It’s essential to remember that when oxidising media are present, pitting corrosion can be an issue in chloride solutions. In these circumstances, the passive (protective) layer of the Duplex UNS S31803 Bolts material may be harmed, leading to localised pitting.
The austenitic grade of alloy duplex steel is used to make such bolts. Due to this, alloy steel bolts have a variety of characteristics. Due to the presence of carbon as an alloying element, some bolts’ features include corrosion resistance and resistance to pitting corrosion. Additionally, the Duplex UNS S31803 Bolts are employed in applications requiring high temperatures because of their excellent flexibility, high durability, and stability at high temperatures, as well as their superior toughness and high strength. Sulfide stress corrosion and chloride environments have better resistance to various circumstances, making them roughly two times as strong as typical austenitic stainless steels. The custom size of Duplex Steel UNS S31803 Stud Bolt varies from 3 millimetres to 200 millimetres.

Duplex UNS S31803 Bolt Specification

SpecificationsASTM A479, A182 / ASME SA479, SA182
StandardDIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
SizeM3 - M100 | 3/6″ - 4″ | Custom Sizes
Length3 mm - 200 mm | Custom Sizes
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads availableUNF, BSW, BSF, METRIC, UNC, or as required
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
FormHex, Threading, Square, Round as per Gauge Etc.
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck typeHex, Square, Triangular, Oval & Knurled etc.
Surface TreatmentPassivation /plain
Others FactorOEM, ODM, ±0.03MM tolerance
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.
PackingIN BULK: carton, pallet, Small Boxes or customer request
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Test CertificateAs per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
CertificationDual Certified As per ASTM & ASME Codes
Delivery timeRegular product : 7-15 days, Custom product : 2-4 weeks
Place of OriginIndia

Equivalent Grades Duplex UNS S31803 Bolt

Duplex Steel 31803S318031.4462

Chemical Composition Duplex UNS S31803 Bolt

Duplex Steel S318030.030 max2.00 max1.00 max0.030 max0.020 max22.0 – 23.03.0 – 3.54.50 – 6.500.14 – 0.2063.72 min

Mechanical Properties Duplex UNS S31803 Bolt

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
7.8 g/cm31350 °C (2460 °F)Psi – 80000 , MPa – 550Psi – 116000 , MPa – 80015 %

Dimensions Of Duplex UNS S31803 Bolt

Duplex Steel S31803 Bolts Dimensions Chart :

Hex Bolts Dimensions
All dimensions are in mm unless mentioned otherwise
Nominal Size
or Basic

Full-Size Body
Width Across Flats,
Width Across
Corners, G
Head Height, H BasicRadius of
Fillet, R
Nominal Thread
Length for Bolt
MaxMinMaxMin6 in. and
6 in.
7⁄80.8750.8950.8521 5⁄161.3121.2691.5161.44737⁄640.6040.5310.060.0222.25
111.0220.9761 1⁄21.51.451.7321.65343⁄640.70.5910.
1 1⁄81.1251.1491.0981 11⁄161.6881.6311.9491.8593⁄40.780.6580.
1 1⁄41.251.2771.2231 7⁄81.8751.8122.1652.06627⁄320.8760.7490.090.032.753
1 3⁄81.3751.4041.3452 1⁄162.0621.9942.3822.27329⁄320.940.810.090.0333.25
1 1⁄21.51.5311.472 1⁄42.252.1752.5982.4811.0360.9020.
1 5⁄81.6251.6581.5912 7⁄162.4382.3562.8152.6161 3⁄321.1160.9780.
1 3⁄41.751.7851.7162 5⁄82.6252.5383.0312.8931 5⁄321.1961.0540.120.043.754
1 7⁄81.8751.9121.8392 13⁄162.8122.7193.2483.0991 1⁄41.2761.130.120.0444.25
222.0391.964332.93.4643.3061 11⁄321.3881.1750.
2 1⁄42.252.3052.2143 3⁄83.3753.2623.8973.7191 1⁄21.5481.3270.190.064.755
2 1⁄22.52.5592.4613 3⁄43.753.6254.334.1331 21⁄321.7081.4790.
2 3⁄42.752.8272.7114 1⁄84.1253.9884.7634.5461 13⁄161.8691.6320.190.065.756
333.0812.9614 1⁄24.54.355.1964.95922.061.8150.
3 1⁄43.253.3353.214 7⁄84.8754.7125.6295.3722 3⁄162.2511.9360.190.066.757
3 1⁄23.53.5893.4615 1⁄45.255.0756.0625.7862 5⁄162.382.0570.
3 3⁄43.753.8583.7265 5⁄85.6255.4376.4956.1982 1⁄22.5722.2410.190.067.758
444.1113.975665.86.9286.6122 11⁄162.7642.4240.

Different Types Of Duplex UNS S31803 Bolt

Different Types Of Bolts:

Hex Bolt
ASTM A479 Duplex Steel S31803 Hex Bolts
Carriage bolt
DIN 1.4410 Carriage Bolts
Stud Bolt
Duplex Steel S31803 Stud Bolts
Hex Head bolt
Duplex Steel S31803 Hex Head Bolts
Forged Hook bolt
Duplex Steel S31803 Forged Hook Bolts
Torx Bolts
Duplex Steel S31803 Torx Bolts
countersunk bolt
Duplex Steel S31803 Countersunk Bolts
Flange Head Bolts
Duplex Steel 31803 Flange Head Bolts
Allen Bolts
Duplex Steel S31803 Allen Bolts
12 point flange bolt
S31803 UNS 12-Point Flange Bolts
eye bolt
ASTM A479 UNS S31803 Eye Bolts
a2 70 stainless steel Bolts
Duplex Steel S31803 Bolts
u bolt
Duplex Steel S31803 U Bolts
J bolt
Duplex Steel S31803 J Bolts
Elevator Bolt
Duplex Steel S31803 Elevator Bolt
Threaded expansion anchor bolt
ASTM A182 Grade 31803 Threaded Expansion Anchor Bolt
High Performance anchor Bolts
ASME SA 182 High Performance Anchor Bolts
lag bolt
UNS S31803 Lag Bolts

Application of Duplex UNS S31803 Bolt

Testing of Duplex UNS S31803 Bolt

Packing Of Duplex UNS S31803 Bolt

Destination Of Duplex UNS S31803 Bolt

ASTM A479 Duplex S31803 Anchor Bolt Exporter in Bangalore, ASME SA479 Duplex S31803 Heavy Hex Bolt Stockist in Coimbatore, Grade UNS S31803 Hex Bolt Exporter in Pimpri-Chinchwad, S31803 Duplex U Bolt Stockist in Pune, UNS S31803 Flange Head Bolt Supplier in Chennai, Duplex S31803 Hex Head Bolt Manufacturer in Ahmedabad, DIN 1.4462 Allen Bolt Manufacturer in Jamnagar, S31803 Duplex Eye Bolt Supplier in Hyderabad.
ASTM A479 Duplex S31803 Allen Bolt Exporter in Argentina, S31803 Duplex Allen Bolt Stockist in Dubai, UNS S31803 Flange Head Bolt Supplier in Qatar, ASTM A479 Duplex S31803 Stud Bolt Exporter in Saudi Arabia, ASME SA479 Duplex S31803 U Bolt Stockist in South Africa, Duplex S31803 Allen Bolt Manufacturer in Singapore, S31803 Duplex U Bolt Stockist in Indonesia, Duplex S31803 Anchor Bolt Manufacturer in UAE, DIN 1.4462 Hex Bolt Manufacturer in Nigeria, Grade UNS S31803 Hex Head Bolt Exporter in Tanzania, S31803 Duplex Eye Bolt Supplier in Malaysia, UNS S31803 Stud Bolt Supplier in Brazil.
Duplex S31803 Flange Head Bolt Price List, Duplex S31803 Stud Bolt Specification, ASME SA479 Duplex S31803 Hex Head Bolt Catalogue, UNS S31803 Eye Bolt Weight Calculator, ASTM A479 Duplex S31803 Hex Bolt Price List in India, Grade UNS S31803 Anchor Bolt at Factory Price, S31803 Duplex Stud Bolt Weight Chart, S31803 Duplex Eye Bolt at Factory Price, DIN 1.4462 Allen Bolt Price Per Kg, S31803 Duplex U Bolt Grade Chart.