ASTM A320 L7 Bolts

Supplier and exporter of ASTM A320 L7 Bolts, ASTM A320 L7 Anchor Bolt, ASTM A320 L7 Flange Bolt, ASTM A320 L7 Tap Bolt, ASTM A320 L7 Lag Bolt

Manufacturer of ASTM A320 AISI 4140 Bolts, ASTM SA320 4140 Hex Bolts, AISI 4142 Gr. L7 ASTM A320 Stud Bolts, ASTM A320 Grade L7 AISI 4142 Square Bolts, ASTM A320 L7 Alloy Steel Machine Bolts Exporter in India

Stud Bolts, ASTM A320 / SA320 Grade L7, Grade 7 Heavy Hex Nut, Plain, Assembly

ASTM A320 L7 specification covers alloy steel bolting materials such as rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts for pressure vessels, valves, flanges, and fittings for low-temperature service. Each alloy shall conform to the prescribed chemical composition requirements. ASTM A320 material, as represented by the tension specimens, shall conform to the requirements as to tensile properties such as tensile strength, yield strength, elongation, and hardness. SA320 material shall meet the prescribed impact energy absorption requirements and the recommended test temperature. Mechanical tests shall be conducted on the material, namely: impact testing, tension testing, and hardness testing.

ASTM A320 L7 Bolts

ASTM A320 L7 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 A320 L7 Hex Bolts and ASTM A320 L7 Hex Head Bolts is some of the toughest fasteners. These ASME SA320 L7 sturdy fasteners are used to connect heavy materials.

Hitesh Steel stock a wide variety of ASTM A320 L7 Long Bolts and ASME SA320 L7 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 A320 L7 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 A320 L7 Bolt used for flanged connections. ASTM A320 L7 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 A320 L7 Hex Cap Screws- also known as machine bolts or hex bolts are available in various bolt grade markings and strengths. Our ASTM A320 L7 Nut Bolts are used to attach machine threaded fasteners when joining materials together.

Many of the ASTM A320 L7 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 A320 L7 fastener or large machined fastener?  We will manufacture to your specifications and requirements.

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ASTM A320 L7 Specification

ASTM A320 L7 Bolt Type ASTM A320 L7 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 SA320 L7 Bolts stockist in India- ASME, DIN, AS, BS

ASTM A320 L7 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 A320 AISI 4140 12 Point Bolts, ASTM A320 Grade L7 AISI 4142 Bolts, ASTM A320 L7 Hexagon Head Cap Bolts in Mumbai, India. ASTM A320 Gr. L7 AISI 4142 Screws, ASTM A320 Gr. L7 Studs, A320 Grade L7 AISI 4142 Threaded Rod, AISI 4140 High Tensile Bolts Suppliers

ASTM A320 L7 Bolts supplier

Nominal Size

D (inch)
Major Diameter

Min.

Max.

1/4"

.2408

.2489

5/16"

.3026

.3113

3/8"

.3643

.3737

7/16"

.4258

.4361

1/2"

.4876

.4985

9/16"

.5459

.5609

5/8"

.6112

.6233

3/4"

.7353

.7482

7/8"

.8592

.8731

1"

.9830

.9980

1-1/8"

1.1079

1.1229

1-1/4"

1.2329

1.2479

1-3/8"

1.3578

1.3728

1-1/2"

1.4828

1.4978


EL

Effective Length

Tolerance

< 12 inch

+/- 0.062"

12 < 18 inch

+/- 0.125"

18 inch <

+/- 0.250"

Nut Specification Requirements:

Dimensions:

ASME B18.2.2 Heavy Hex

Thread Requirements:

ASME B1.1, 2B

-

UNC for all stud diameters 1” and smaller

-

UN8 for all stud diameters greater than 1”


Nut Material & Mechanical Properties:

Grade 7 of ASTM A194/A194M and ASME SA194/SA194M; Supplement S3

Nut Product Marking:

Per ASTM A194/A194M and ASME SA194/SA194M; Manufacturer ID and 7 for forged, or 7BL if machined from bar stock

Finish:

Light Protective Oil

Material Test Reports:

The MTR must have documented lot traceability, dimensional results, full chemical test results and full mechanical test results, to the ASTM A194/A194M and ASME SA94/SA194M specifications above, for the entire assembly

Grades

ASTM A320 L7 Alloy steel AISI 4140/4142 Quenched and tempered

ASTM A320 Grade L7 Chemical Properties

Element L7 (AISI 4140)
Carbon 0.37 – 0.49%
Manganese 0.65 – 1.10%
Phosphorus, max 0.04%
Sulfur, max 0.04%
Silicon 0.15 – 0.35%
Chromium 0.75 – 1.20%
Nickel
Molybdenum 0.15 – 0.25%

ASTM A320 Grade L7 Mechanical Properties

Grade Size Tensile, ksi min Yield, ksi, min Charpy Impact Elong, % min RA, %, min
L7 up to 21/2 125 105 -150° F 16 50
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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

Industries & Solutions

Contruction
Industrial
Shipbuilding
Nuclear

Pipe, Tube & Tubing

Sheet, Plate

Round Bar & fasteners


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