ASTM F3125 Bolts

Supplier and exporter of ASTM F3125 Bolts, ASTM F3125 Anchor Bolt, ASTM F3125 Flange Bolt, ASTM F3125 Tap Bolt, ASTM F3125 Lag Bolt

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ASTM F3125 / F3125M - 15a

ASTM F3125 is a Standard Specification for High Strength Structural Bolts, Steel and Alloy Steel, Heat Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum Tensile Strength, Inch and Metric Dimensions. This specification is a consolidation of and replacement for six ASTM standards: A325, A325M, A490, A490M, F1852 and F2280.

ASTM F3125 Bolts

ASTM F3125 bolts can be used for many different applications that include fastening wood, steel, and other construction materials for projects such as docks, bridges, highway structures, and buildings. ASTM F3125 Hex Bolts and ASTM F3125 Hex Head Bolts is some of the toughest fasteners. These ASME SF3125 sturdy fasteners are used to connect heavy materials.

Hitesh Steel stock a wide variety of ASTM F3125 Long Bolts and ASME SF3125 12 Point Bolts in India. There are hundreds of combinations of materials, heads, threads, plating, heat treating, and secondary operations. We are manufacturer & supplier of ASTM F3125 studs such as All-Thread, Tap-End, Double-End Studs, and Combination Studs, different types of nuts such as Hex Nuts, Heavy Hex Nuts, Overtapped Nuts, Tommy Hole Nuts, Spherical-Faced Nuts and Full Threaded Rods, full thread rods, bonnet bolts, Carriage Bolt in a variety of finishes and sizes from 1/2" to 3 1/2". In the petroleum and chemical industry the fully threaded stud is the most common ASTM F3125 Bolt used for flanged connections. ASTM F3125 Stud bolts are available in all thread pitches (UNC/UNRC – UNF/UNRF – 8UN) diameters and metric sizes. Hitesh Steel has the capability to thread and manufacture specials from round bar to the customers drawings.

ASTM F3125 Hex Cap Screws- also known as machine bolts or hex bolts are available in various bolt grade markings and strengths. Our ASTM F3125 Nut Bolts are used to attach machine threaded fasteners when joining materials together.

Many of the ASTM F3125 Flange Bolts we manufacture for more critical high specification Superalloys. Whilst we manufacture many of the non-favoured thread forms such as BSW BSF UNC & UNF, we are finding the biggest call is now for Metric Hexagon Bolts that are modified versions of existing international standards or indeed custom bespoke bolting manufactured to Customer or OEM Drawings.

Is your requirement for a small ASTM F3125 fastener or large machined fastener?  We will manufacture to your specifications and requirements.

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ASTM F3125 Specification

ASTM F3125 Bolt Type ASTM F3125 Anchor Bolt, Carriage Bolt, Flange Bolt, 12 Point Bolt, Hex and Hex Flange Bolts, Hex Head Cap Screw, Place Bolt, Socket Head Cap Screws, Hanger Bolt, Hexagon Bolt / Tap Bolt, Lag Bolt, Machine Bolt, Plow Bolt, Shoulder Bolt, Square Head Bolt, Stud Bolt, T-Head Bolt, Toggle Bolt, U-Bolt
Inch #0000 -3" (customized sizes available)
Metric M1.6 - M48
Length Customized Length
Grade Non Ferrous, 12.9, 10.9, 9.8, 8.8, 5.8, 4.6, B7, 2, 5, 8, L9
Material Brass, Bronze / Copper Base Alloy, Copper, Molybdenum, Steel, Hardened Steel, Stainless Steel, Superalloy (Inconel, 718 Bolts, Hastelloy, Monel), Titanium, Exotic Metals, Other
Method Cold forming, Hot Forging, Wire Forming
Fastener Standards ASME / ANSI, BS, DIN, ISO, JIS, SAE, Other
Application Industries & uses Agriculture, Automotive, Construction and Infrastructure, Energy, Transportation
Testing Methods ASTM E38, E76 and E354, ASTM E53, E54, E62, E75and E478, ASTM E34, E101 and E227, ASTM E 120 and E1409.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Thread Diameters M6 to M36
Certification Dual Certified As per ASTM & ASME Codes

ASME SF3125 Bolts stockist in India- ASME, DIN, AS, BS

ASTM F3125 Bolts Coatings and plating as well as plain finished oil and tempered is available as required by the end user such as Zinc plating, Cadmium plating, Xylan ® coating, Dupont Teflon ® coating, Hot Dip Galvanized coating, Auge Antifrix ® coating, Sermagard ® coating and Niwat 1000 ® plating.

Teflon coated bolts

Manufacturer of ASTM F3125 Hex Bolts, ASTM F3125 Weathering Steel, ASTM F3125 Carbon Steel Screws in Mumbai, India. ASTM F3125 Heavy Hex Structural Bolts, Alloy Steel A325M Bolts, ASTM F3125 Square Bolts, ASTM F3125 Hex Bolts Suppliers

1. Scope

1.1 F3125 specification covers chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles.

1.1.1 F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852 and F2280.

1.1.2 This consolidated standard is to ensure alignment between standards with the same intended end use and to simplify the use and maintenance of structural bolt specifications.

1.2 Intended Use:

1.2.1 F3125 Bolts manufactured under this specification are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts, as approved by the Research Council on Structural Connections.

1.2.2 F3125 Bolts in this specification are furnished in sizes from 1/2 to 1-1/2 in. inclusive and from M12 to M36 inclusive.

1.3 Classification:

1.3.1 F3125 Bolts are designated by grade or property class, which indicates inch or metric respectively.

1.3.2 F3125 Bolts are designated by type denoting raw material chemical composition.

1.3.3 F3125 Bolts are designated by style denoting Heavy Hex bolts or “Twist-Off” Style assemblies.

F3125 Bolt Types

Grade Min. Strength Type Style
A325 120 ksi 1 3 Heavy Hex Head
A325M 830 MPa 1 3 Heavy Hex Head
F1852 120 ksi 1 3 Twist-Off
A490 150 ksi 1 3 Heavy Hex Head
A490M 1040 MPa 1 3 Heavy Hex Head
F2280 150 ksi 1 3 Twist-Off

Type 1 - 120 ksi (830 MPa) - carbon steel, carbon boron steel, alloy steel or alloy steel with boron addition

Type 3 - 120 ksi (830 MPa) or 150 ksi (1040 MPa) - weathering steel

Type 1 - 150 ksi (1040 MPa) - alloy steel or alloy steel with boron addition

1.4 Terms used in this specification are defined in F1789.

F3125 Bolts Chemical Requirements

Heat Analysis 120ksi Type 1, % 150ksi Type 1, % 150ksi Type 3, %
Carbon 0.30 – 0.52 0.30 – 0.48 0.30 – 0.53
Manganese 0.60 min 0.60 min 0.60 min
Phosphorus 0.035 max 0.035 max 0.035
Sulfur 0.040 max 0.040 max 0.040
Silicon 0.15 – 0.30 -
Boron 0.003 max 0.003 max
Copper - - 0.20 – 0.60
Nickel - - 0.20* min
Chromium - - 0.45 min
Molybdenum - - 0.10* min
  • Additional footnotes and A325 type 3 chemistries not included here for brevity
  • 150ksi type 3- Either Nickel or Molybdenum must be present

F3125 Bolts Mechanical Properties

Grade Tensile, ksi Yield, ksi min Elongation, % min RA, % min
120ksi (A325/F1852) 120 min 92 14 35
150ksi (A490/F2280) 150-173 130 14 40

F3125 Bolts Marking Requirements & Matching Components

120ksi, Type 1 120ksi, Type 3 150ksi, Type 1 150ksi, Type 3
Marking A325 A325 A490 A490
Nut, Plain A563 DH A563 DH3 A563 DH A563 DH3
Nut, Coated A563 DH A563 DH3 A563 DH A563 DH3
Washer F436-1 F436-3 F436-1 F436-3
  • A194 2H nuts are an acceptable substitute for A563 DH nuts
  • Suitable plain finish nut alternatives can be found in the full F3125 text
  • Supplementary requirements S1 and S2 have special marking requirements.

F3125 Bolts Permitted Coatings

Bolt F2329 Hot Dip Galvanizing B695 Mechanical Galvanizing F1136 Zinc/Aluminum (Dacromet) F2833 Zinc/Aluminum
A325 Approved Class 55 Grade 3 Grade 1
F1852 Not Approved Class 55 Not Approved Not Approved
A490 Not Approved Not Approved Grade 3 Grade 1
F2280 Not Approved Not Approved Not Approved Not Approved
*Other coatings may be used on 120ksi/A325 fasteners upon agreement between purchaser and user. Coatings on 150ksi/A490 fasteners must be qualified by ASTM committee F16.

F3125 Nut Overtap Allowances

Size F2329 and B695, in F1136 and F2833, in
½-13 0.018 0.009
5/8-11 0.020 0.010
¾-10 0.020 0.010
7/8-9 0.022 0.011
1-8 0.024 0.012
1-1/8-7 0.024 0.012
1-1/4-7 0.024 0.012
1-3/8-6 0.027 0.014
1-1/2-6 0.027 0.014
  • Hot dip galvanized nuts are tapped after coating. Other coatings are applied after nut tapping
  • Nuts overtapped for use with 150ksi/A490 bolts shall be proof load tested to 175ksi minimum after overtapping

F3125 Supplemental Requirements

S1 A325/120ksi bolts up to 4x the diameter threaded full length. Mark A325T
S2 Alternate head geometry or thread length. Mark A325S or A490S
S3 Lubricants
S4 Rotational Capacity Testing
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Available standard: DIN 934, ISO 4033, ISO 4032, DIN 935,DIN 936, ASME B18.2.2, ASME B18.2.4.6M, DIN 976, DIN 975, DIN 2510, DIN 939, DIN 940, DIN 938

PTFE coated bolts

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