ASTM A320 Grade L7 Bolts Fasteners Manufacturer, Supplier, & Exporter in India.

Gr L7 ASTM A320 U-Bolts Dealer in Mumbai, L7 Heavy Hex Bolts Supplier, L7 60000 PSI Tensile Strength Bolts Exporter, ASTM A320 Grade L7 Bolts Manufacturer in India.

We are at Star Steel Works are leading Manufacturer, Supplier, & Exporter of ASTM A320 grade L7 Bolts in india.

A320 Grade L7 is intended for low-temperature service down to -150° F and has a minimum Charpy impact value of 20-ft-lbf at this temperature.

For quick Quote on L7 Bolts, please contact our Sales team.

ASTM A320 Grade L7 Bolts
ASTM A320 Grade L7 StudBolt
ASTM A320 Grade L7 Bolts
ASTM A320 grL7 Bolts
ASTM A320 Grade L7 Bolts
L7 Nuts

This Alloy Steel Bolts are developed with the use of hi-tech machines and instruments at the sound manufacturing unit. ASTM A320 gr L7 Fasteners is a solid solution alloy that can only be hardened by cold working, where quality is the most important parameter for customer satisfaction.  A320 ASTM Grade L7 Fasteners as Bolts is often used in chemical processing, transport and storage – tanks, piping, pressure vessels, and heat exchangers. Financial stability, credibility, goodwill and reputation are some of the key parameters that our quality controllers appoint our manufacturing staff for ASTM A320 L7 SS Bolts. Adding lead to the brasses in amounts of 0.5 % to 4 % over L7 AS Bolts, results in free cutting of free-machining alloys in which the elemental lead is present as uniformly dispersed particles.

Mechanical Properties

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min Charpy Impact
20-ft-lbf
@ temp
L7 Up to 2-1/2 125 105 16 50 -150° F

 

Material Chemical Composition

Element L7 (AISI 4140)
Carbon 0.37 - 0.49%
Manganese 0.65 - 1.10%
Phosphorus, max 0.035%
Sulfur, max 0.040%
Silicon 0.15 - 0.35%
Chromium 0.75 - 1.20%
Nickel
Molybdenum 0.15 - 0.25%

 

Recommended Nuts & Washer

Bolt Grade Nuts Washers
L7 A194 Grade 4 or 7 F436

Astm A320 Grade L7 Related Products

Grade L7 Bolting Astm A320 Gr L7 Threaded Rods
Grade L7 Stud Bolts Sa320 Gr L7 Screws
Sa320 L7 Specification Hex Cap Screws A320 Gr L7 Square Bolts
Grade L7 Studs Grade L7 Heavy Hex Screws
Asme Sa 320 Grade L7 Hex Bolts Asme Sa 320 Gr L7 Bolts
Astm A320 Grade L7 Square Bolts Astm A320 Gr L7 Screws
A320 Gr L7 Studs Astm A320 Gr L7 Stud Bolts
Grade L7 Hex Bolts Asme Sa 320 Gr L7 Hex Cap Screws
Astm A320 L7 Heavy Hex Screws Astm A320 Grade L7 Threaded Rods
Astm A320 Gr L7 Heavy Hex Screws Astm A320 Grade L7 Heavy Hex Screws
A320 L7 Specification Hex Bolts Asme Sa 320 L7 Hex Cap Screws
Grade L7 Cap Screws A320 L7 Specification Hex Cap Screws
Asme Sa 320 Gr L7 Hex Bolts Astm A320 Gr L7 Studs
Sa320 Gr L7 Square Bolts

 

Surface Coating

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