Duplex Steel S31803 S32205 and 2205 Fasteners Manufacturer and Supplier

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Duplex Steel S31803 Fasteners, Duplex S32205 and 2205 Fasteners, High Strength Duplex Stainless Steel Fasteners, UNS S31803 Bolts and Nuts, Duplex Steel S31803 Screws and Washers, Duplex 2205 Stud Bolts, DIN 1.4462 Fasteners Supplier in India

Duplex Steel UNS S31803 Fasteners are highly utilized in the application where high strength, corrosion and long retention are required. Duplex S32205 and 2205 Fasteners are very common with apps that demand high strength, corrosion and long retention. These connections are produced under high grade duplex stainless steel which gives it a balanced microstructure, good mechanical properties as well as reliable pitting and stress corrosion cracking resistance. UNS S31803 Bolts and Nuts, Duplex Steel S31803 Screws and Washers and Duplex 2205 Stud Bolts in various sizes, threads and material standards are supplied by us to fulfill various industrial demands. All products are made according to the ASTM and DIN 1.4462 dimensions in order to maintain dimensional and uniform quality. These are fasteners used in offshore platforms, petrochemical plants, desalination plants, chemical processing systems and power generation plants where reliable high strength materials are of necessity. Engineers and their procurement teams in India have confidence in our solutions as they are durable, reliable and complying to the international quality standards.

Table of Content

DIN 1.4462 Fasteners, ASTM A479 Duplex Steel Hex Bolts, SAF 2205 Duplex Steel Fasteners, Duplex S31803 J Bolts and U Bolts, ASME SB182 Duplex Steel S31803 Stud Bolts

Fasteners DIN 1.4462 You can find Fasteners in industrial systems that require a high level of mechanical strength, dimensions, and corrosion resistance. ASTM A479 Duplex Steel Hex Bolts are also common in high demanding industrial systems. They are produced with grade of Duplex Steel namely S31803, S32205 and SAF 2205, which contain balanced microstructure and good resistance to pitting, crevice attack and stress corrosion cracking. Duplex S31803 J Bolts and U Bolts: Duplex Steel S31803 stud Bolts and A479 Duplex stainless steel 1.4462 Bolts, all of which are manufactured with rigorous compliance to global standards of materials to guarantee uniform performance.

Duplex Stainless Steel is made up of nitrogen, chromium and molybdenum giving it high tensile and yield strength and thus these are applicable in high pressure and high temperature conditions. All of our fasteners are threaded accurately, tight-toleranced, and dependable surface finished to facilitate the critical functions in offshore platforms, desalination plants, petrochemical units, chemical processing plants and construction projects. Engineers rely on Duplex Steel UNS S31803 and Duplex 2205 Fasteners because they have long lifespan, they are dependable and resist aggressive chloride. Every batch is tested rigorously according to the ASTM A479 and ASME SA 479 standards, and it is in line with the international standards and uniform metallurgical quality. These fasteners provide reliable service in the areas of industries where structural integrity and durability cannot be jeopardized.

How Are Duplex Steel UNS S31803 Fasteners Manufactured?

Duplex Steel UNS S31803 fasteners are now produced through a controlled production process, which guarantees the same strength and is corrosion resistant. It starts with melting duplex stainless steel in a high precision electric arc or induction furnace to produce a homogenous chemical composition. The liquid steel is cast into billets and forged or cold shaped into bolts, nuts, screws, or studs.

The fasteners are then heat treated after forming to stabilize the duplex microstructure which increases mechanical strength and resistance to stress corrosion cracking. The fasteners are all precision machined in order to obtain tight dimensions and precise threads. The last phase involves cleaning, finishing of surface and superb testing like PMI verification, hardness testing and dimensional checks. This is a systematic process and ensures that each Duplex Steel S31803 Fastener is of ASTM A479 and DIN 1.4462 quality that is required in very demanding industries.

What Are the Benefits of Using S31803 Duplex Stainless Steel Fasteners?

The Duplex Stainless Steel Fasteners S31803 have a number of benefits that are why it is applicable in many industries. Their two-phase structure gives them high tensile and yield strength and thus they are able to work in both high pressure and high temperature conditions. Such fasteners also have a better pitting and crevice corrosion resistance and resistance to stress corrosion cracking particularly in chloride rich environments encountered in marine and chemical processing units.

S31803 fasteners have a wide temperature stability and also provide excellent service life in the presence of harsh mechanical and environmental conditions. They are also great fatigue resistant and durable and hence are always used in offshore structures, desalination, petrochemical systems and industrial pipelines. Due to these joint advantages, Duplex Steel UNS S31803 fasteners are reliable and economical to do the job in applications of critical use where standard stainless steel grades might fail.

Duplex steel Uns S31803 fasteners Specifications

Specification Details
Material Grade Duplex Steel UNS S31803
Equivalent Grade DIN 1.4462
Standard ASTM A479, ASME SA 479
Size Range M3 to M72 and custom sizes
Length 6 mm to 500 mm or as required
Thread Types Metric, UNC, UNF, BSW, BSF
Fastener Types Bolts, Nuts, Screws, Stud Bolts, Washers
Bolt Types Hex Bolt, Heavy Hex Bolt, Socket Head Cap Screw, Machine Screw
Stud Types Threaded Studs, Full Thread Studs, Double End Studs
Washer Types Flat Washer, Spring Washer, Plain Washer
Nut Types Hex Nut, Heavy Hex Nut, Lock Nut, Dome Nut
Form Hot Forged, Cold Forged, Machined
Finish Plain, Passivated, PTFE Coated, Black Oxide
Hardness As per ASTM A479 requirements
Tensile Strength As per material specification MTR
Yield Strength As per ASTM and ASME standard MTR
Testing Offered PMI Test, Hardness Test, Tensile Test, IGC Test, Chemical and Mechanical Test Reports

Duplex steel Uns S31803 fasteners Equivalent Grades

Standard Workstoff NR. UNS
Duplex S31803 1.4462 S31803

Duplex steel Uns S31803 fasteners Quality and Test reports

  • Third Party Inspection
  • EN 10204/3.1B
  • 100% Radiography Test
  • Raw Materials Certificate
  • Mill test

Duplex steel Uns S31803 fasteners Surface Coating

  • Xylon Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners
  • Teflon Coated Fasteners
  • PTFE Coated Fasteners
  • Zinc Coated Fasteners
  • Phosphate Coated Fasteners
  • Cadmium Coated Fasteners

Duplex steel Uns S31803 fasteners Standard

Hexagon Bolt / Set Screws Stud Bolt Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021

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Duplex Steel S31803 Nuts
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Duplex Steel S31803 Washers
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Duplex Steel S31803 Screw
Anchor Bolts
Duplex Steel S31803 Anchor Bolts
Threaded Rods
Duplex Steel S31803 Threaded Rod
Hex Tap Bolts
Duplex Steel S31803 Hex Bolts

UNS S31803 Duplex Steel Bolt Dimensions and Size Chart

Nominal or Basic Product Diameter E F G H J LT (Thread Length) Y
Body Diameter Width Across Flats Width Across Corners Head Height Wrenching Height For Screw Lengths For Screw Lengths Transition Thread Length
1/4 0.25 0.25 0.245 7/16 0.438 0.428 0.505 0.488 5/32 0.163 0.150 0.106 0.750 1.000 0.250
5/16 0.3125 0.3125 0.3065 1/2 0.500 0.489 0.577 0.557 13/64 0.211 0.195 0.140 0.875 1.125 0.278
3/8 0.375 0.375 0.369 9/16 0.562 0.551 0.650 0.628 15/64 0.243 0.226 0.160 1.000 1.250 0.312
7/16 0.4375 0.4375 0.4305 5/8 0.625 0.612 0.722 0.698 9/32 0.291 0.272 0.195 1.125 1.375 0.357
1/2 0.5 0.5 0.493 3/4 0.750 0.736 0.866 0.840 5/16 0.323 0.302 0.215 1.250 1.500 0.385
9/16 0.5625 0.5625 0.5545 13/16 0.812 0.798 0.938 0.910 23/64 0.371 0.348 0.250 1.375 1.625 0.417
5/8 0.625 0.625 0.617 15/16 0.938 0.922 1.083 1.051 25/64 0.403 0.378 0.269 1.500 1.750 0.455
3/4 0.75 0.75 0.741 1-1/8 1.125 1.100 1.299 1.254 15/32 0.483 0.455 0.324 1.750 2.000 0.500
7/8 0.875 0.875 0.866 1-5/16 1.312 1.285 1.516 1.465 35/64 0.563 0.531 0.378 2.000 2.250 0.556
1 1 1 0.99 1-1/2 1.500 1.469 1.732 1.675 39/64 0.627 0.591 0.416 2.250 2.500 0.625
1-1/8 1.125 1.125 1.114 1-11/16 1.688 1.631 1.949 1.859 11/16 0.718 0.658 0.461 2.500 2.750 0.714
1-1/4 1.25 1.25 1.239 1-7/8 1.875 1.812 2.165 2.066 25/32 0.813 0.749 0.530 2.750 3.000 0.714
1-1/2 1.5 1.5 1.488 2-1/4 2.250 2.175 2.598 2.480 15/16 0.974 0.902 0.640 3.250 3.500 0.833

Duplex Steel 2205 Nuts Size

Nominal or Basic Major Diameter of Nut Thread Nuts Width Across Flats (F) Width Across Corners (G) Thickness ofHex Nuts (H)
Basic Max Min Max Min Basic Max Min
1/4 0.2500 7/16 .438 .428 .505 .488 7/32 0.226 0.212
5/16 0.3125 1/2 .500 .489 .577 .557 17/64 0.273 0.258
3/8 0.3750 9/16 .562 .551 .650 .628 21/64 0.337 0.320
7/16 0.4375 11/16 .688 .675 .794 .768 3/8 0.385 0.365
1/2 0.5000 3/4 .750 .736 .866 .840 7/16 0.448 0.427
9/16 0.5625 7/8 .875 .861 1.010 .982 31/64 0.496 0.473
5/8 0.6250 15/16 .938 .922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/16 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.000 3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.456 2-3/8 2.431 2.319
3 3.000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534

Duplex Steel S31803 Screw Dimensions and Size Chart

Screw Size Body Dia Hex Key Size Head Height Head Dia Maximum Thread Length Minimum Thread Length
No. 0 0.06 0.05 0.06 0.096 5/8 3/8
No. 1 0.073 1/16 0.073 0.118 7/8 3/8
No. 2 0.086 5/64 0.086 0.14 7/8 1/2
No. 3 0.099 5/64 0.099 0.161 7/8 1/2
No. 4 0.112 3/32 0.112 0.183 11/8 11/16
No. 5 0.125 3/32 0.125 0.205 1 11/16
No. 6 0.138 7/64 0.138 0.226 11/8 11/16
No. 8 0.164 9/64 0.164 0.27 11/4 3/4
No. 10 0.19 5/32 0.19 0.312 13/8 15/16
No. 12 0.216 5/32 0.216 0.345 11/4 15/16
1/4 0.250 3/16 1/4 3/8 11/2 15/16
5/16 0.3125 1/4 5/16 15/32 1-3/4 1-1/16
3/8 0.375 5/16 3/8 9/16 2 1-3/16
7/16 0.438 3/8 7/16 21/32 2-1/4 13/16
1/2 0.500 3/8 1/2 3/4 2-1/2 1-3/8
9/16 0.5625 7/16 9/16 27/32 2-7/16 1-5/8
5/8 0.625 1/2 5/8 15/16 3 1-5/8
3/4 0.750 5/8 3/4 11/8 3-1/2 1-7/8
7/8 0.875 3/4 7/8 15/16 3-3/4 2-1/16
1 1.000 3/4 1 11/2 4-1/2 2-1/4
1-1/8 1.125 7/8 1-1/8 111/16 4-21/32 2-13/16
1-1/4 1.250 7/8 1-1/4 17/8 5-3/32 3-1/8
1-1/2 1.500 1 1-1/2 21/4 6-5/64 3-3/4
1-3/4 1.750 11/4 1-3/4 25/8 7-1/8 4-3/8
2 2.000 11/2 2 3 8-7/64 5

Duplex Steel S31803 Washer Dimensions and Size Chart

Screw Size Body Dia Hex Key Size Head Height Head Dia Maximum Thread Length Minimum Thread Length
No. 0 0.06 0.05 0.06 0.096 5/8 3/8
No. 1 0.073 1/16 0.073 0.118 7/8 3/8
No. 2 0.086 5/64 0.086 0.14 7/8 1/2
No. 3 0.099 5/64 0.099 0.161 7/8 1/2
No. 4 0.112 3/32 0.112 0.183 11/8 11/16
No. 5 0.125 3/32 0.125 0.205 1 11/16
No. 6 0.138 7/64 0.138 0.226 11/8 11/16
No. 8 0.164 9/64 0.164 0.27 11/4 3/4
No. 10 0.19 5/32 0.19 0.312 13/8 15/16
No. 12 0.216 5/32 0.216 0.345 11/4 15/16
1/4 0.250 3/16 1/4 3/8 11/2 15/16
5/16 0.3125 1/4 5/16 15/32 1-3/4 1-1/16
3/8 0.375 5/16 3/8 9/16 2 1-3/16
7/16 0.438 3/8 7/16 21/32 2-1/4 13/16
1/2 0.500 3/8 1/2 3/4 2-1/2 1-3/8
9/16 0.5625 7/16 9/16 27/32 2-7/16 1-5/8
5/8 0.625 1/2 5/8 15/16 3 1-5/8
3/4 0.750 5/8 3/4 11/8 3-1/2 1-7/8
7/8 0.875 3/4 7/8 15/16 3-3/4 2-1/16
1 1.000 3/4 1 11/2 4-1/2 2-1/4
1-1/8 1.125 7/8 1-1/8 111/16 4-21/32 2-13/16
1-1/4 1.250 7/8 1-1/4 17/8 5-3/32 3-1/8
1-1/2 1.500 1 1-1/2 21/4 6-5/64 3-3/4
1-3/4 1.750 11/4 1-3/4 25/8 7-1/8 4-3/8
2 2.000 11/2 2 3 8-7/64 5

Duplex Steel S31803 Stud Bolt Dimensions and Size Chart

Class 150 Flanges ASME B16.5 (Stud bolt sizes) Length of Stud Bolts
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face 0.06 in Ring Joint
1/2 3 1/2 2 3/8 5/8 4 1/2 2 1/4 –
3/4 3 7/8 2 3/4 5/8 4 1/2 2 1/2 –
1 4 1/4 3 1/8 5/8 4 1/2 2 1/2 3
1 1/4 4 5/8 3 1/2 5/8 4 1/2 2 3/4 3 1/4
1 1/2 5 3 7/8 5/8 4 1/2 2 3/4 3 1/4
2 6 4 3/4 3/4 4 5/8 3 1/4 3 3/4
2 1/2 7 5 1/2 3/4 4 5/8 3 1/2 4
3 7 1/2 6 3/4 4 5/8 3 1/2 4
3 1/2 8 1/2 7 3/4 8 5/8 3 1/2 4
4 9 7 1/2 3/4 8 5/8 3 1/2 4
5 10 8 1/2 7/8 8 3/4 3 3/4 4 1/4
6 11 9 1/2 7/8 8 3/4 4 4 1/2
8 13 1/2 11 3/4 7/8 8 3/4 4 1/4 4 3/4
10 16 14 3/4 1 12 7/8 4 1/2 5
12 19 17 1 12 7/8 4 3/4 5 1/4
14 21 18 3/4 1 1/8 12 1 5 1/4 5 3/4
16 23 1/2 21 1/4 1 1/8 16 1 5 1/4 5 3/4
18 25 22 3/4 1 1/4 16 1 1/8 5 3/4 6 1/4
20 27 1/2 25 1 1/4 20 1 1/8 6 1/4 6 3/4
24 32 29 1/2 1 1/4 20 1 1/4 6 3/4 7 1/4
Class 300 Flanges ASME B16.5 Length of Stud Bolts
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face 0.06 in Ring Joint
1/2 3 3/4 2 5/8 5/8 4 1/2 2 1/2 3
3/4 4 5/8 3 1/4 3/4 4 5/8 3 3 1/2
1 4 7/8 3 1/2 3/4 4 5/8 3 3 1/2
1 1/4 5 1/4 3 7/8 3/4 4 5/8 3 1/4 3 3/4
1 1/2 6 1/8 4 1/2 7/8 4 3/4 3 1/2 4
2 6 1/2 5 3/4 8 5/8 3 1/2 4
2 1/2 7 1/2 5 7/8 7/8 8 3/4 4 4 1/2
3 8 1/4 6 5/8 7/8 8 3/4 4 1/4 4 3/4
3 1/2 9 7 1/4 7/8 8 3/4 4 1/4 5
4 10 7 7/8 7/8 8 3/4 4 1/2 5
5 11 9 1/4 7/8 8 3/4 4 3/4 5 1/4
6 12 1/2 10 5/8 7/8 12 3/4 4 3/4 5 1/2
8 15 13 1 12 7/8 5 1/2 6
10 17 1/2 15 1/4 1 1/8 16 1 6 1/4 6 3/4
12 20 1/2 17 3/4 1 1/4 16 1 1/8 6 3/4 7 1/4
14 23 20 1/4 1 1/4 20 1 1/8 7 7 1/2
16 25 1/2 22 1/2 1 3/8 20 1 1/4 7 1/2 8
18 28 24 3/4 1 3/8 24 1 1/4 7 3/4 8 1/4
20 30 1/2 27 1 3/8 24 1 1/4 8 8 3/4
24 36 32 1 5/8 24 1 1/2 9 10

We Keep Bulk Stock Of Uns S31803 Duplex steel Bolts, Screws At Our Stockyard, Contact Us For Free Sample & Stock List.

Duplex Steel UNS S31803 Fasteners Chemical Composition

GradeCMNSiPSCrNNiFe
S318030.030 max2.0 Max1.0 Max0.030 max0.020 Max22.0 – 23.00.14 – 0.204.50 – 6.5063.72 min

Duplex Steel UNS S31803 Fasteners Mechanical Properties

Grade Tensile Strength (Mpa) Min Yield Strenght 0.2% Proof (MPa) Min Elognation (%in 50mm) min Hardness [HRC]
S31803 90 min 65 min 25 min 293 max

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Duplex Steel S31803 Hex Cap Screw Duplex Steel S31803 Hex Screw Supplier
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Duplex Steel S31803 Fasteners UNS S31803 Fasteners
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S31803 Duplex Steel Fender Washer Exporter Duplex Steel S31803 Spring Washers
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Duplex Steel S31803 Stud Bolts Duplex Stainless Steel S31803 Allen Cap Screw
Duplex Steel S31803 Heavy Hex Bolts Duplex Stainless Steel S31803 Wing Nuts
Duplex Steel S31803 Spring Washers Dealer S31803 Duplex Steel Countersunk Washer Exporter
Duplex Steel S31803 Half Threaded Stud Bolt Supplier Duplex Steel S31803 Flange Bolts Distributor
UNS S31803 Anchor Bolts Duplex Steel S31803 Square Nuts Stockholder
Duplex Steel S31803 Nuts Manufacturer Duplex Steel S31803 Bolts
Duplex Steel S31803 Screws Duplex Stainless Steel S31803 Threaded Rod

Applicable Standards for Duplex Stainless Steel UNS S31803 Fasteners

Industry
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Application Industry

Automotive and aerospace industry, Chemical industry, Heat exchanger, Food processing equipment, Architectural trim and molding, Kitchen benches, sinks, equipmentrtc

Frequently Asked Questions on Duplex Steel UNS S31803 Fasteners

The compound UNS S31803 is a duplex stainless steel alloy a combination of austenitic and ferritic alloys. It provides great strength, high ability to withstand and perform better in high chloride concentration. It is also commonly applied in fasteners, pipes, fittings and industrial parts.

Duplex Steel S31803 Fasteners are applied in offshore platforms, desalination plants, chemical processing units, heat exchangers, marine engineering, and high-pressure pipelines. They are selected due to their high strength and pitting, and stress corrosion cracking resistance.

DIN 1.4462 and EN 1.4462 are equivalent to the grades of UNS S31803. It is also close to that of UNS S32205 which is the enhanced version of the same duplex stainless steel family.

The same duplex stainless steel family is contained in UNS S31803 and 2205. Nonetheless, UNS S32205 represents the new grade designation that has narrower chemical composition requirements. Duplex fasteners are usually made using both materials.

The Duplex Steel S31803 fasteners are more tensile, fatigue resistant and corrosive resistant compared to the standard stainless steels. They are also superior in hostile chloride conditions and have increased service life.

The ASTM A479, ASME SA 479, ASTM A182 and DIN 1.4462 are common standards of Duplex Steel S31803 Fasteners. These standards are used in the description of the material composition, mechanical properties and manufacturing requirements.

Yes, Duplex Steel S31803 Fasteners will work efficiently under a large range of temperatures. They are strong structurally, and they do not degrade easily in the low temperature conditions and moderately high temperature conditions.

For More Information About Duplex Steel S31803 Fasteners please call +91-22-66362223 / 66394926 or send an email to export@aashishmetal.com

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Duplex Pipe Fittings
Super Duplex Tube Fittings
ASTM A182 GR.F51 Fasteners

Aashish Metal & Alloys is a well known Manufacturer , Stockiest, Supplier and Exporter of Raw materials like Long Radius Bends, Compression Tube Fittings, Pipe Fittings, Forged Fittings, Flanges, Shims & Plates, Fasteners, Pipes & tubes, round Bars & Wire etc.

Mumbai - 400 004.
(Mon - Sat)
(10am - 07 pm)
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