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ASTM A320 Gr. L7 Alloy Steel Fasteners

ASTM A320 Alloy Steel Gr. L7 Marine Anchors, Grade L7 Fasteners, ASME SA320 Gr. L7 Threaded Stud, Alloy Grade L7 Hex Head Screw Supplier in India.

Kanak Steel & Engg Co. is Exporter of Alloy Steel ASTM A320 L7 Fasteners, which has technically best including drawing and trouble-unfastened welding. The hardenability of fasteners may be minimized by means of the aid of using steady nice feeds and sluggish speeds. It is frequently utilized in Chemical Industry, Aerospace Industry, Fabrication Industry, and more. It has warmness resistance, thermal conductivity, suitable forming, unheard of aesthetics, pretty sturdiness and easy recycling. ASTM A320 L7 Hex Nuts has a few exceptional functions to provide including long lasting floor finish, advanced electricity, corrosion resistant and more. It is the grade of desire for programs withinthe temperature variety of as much as approximately 900 Degree C, combining excessive electricity, resistance to scaling and segment balance over in company of resistance to next aqueous corrosion.

It is high-quality for excessive temperature provider due to its suitable mechanical properties. It may be utilized in maximum diluted natural acids at slight temperatures. It is frequently utilized in Aerospace – piston engine manifolds. It is frequently utilized in textile, pulp paper and chemical equipment, for corrosion resistance. ASTM A320 L7 Hex Bolts are categorized into martens tic, austenitic, and ferrite steels primarily based totally on their crystalline structure. It is non-magnetic withinthe annealed circumstance however may also grow to be barely magnetic because of welding.

Machining fasteners calls for low speeds and steady feeds to lessen its tendency to paintings harden.The molybdenum gives Alloy Steel ASME SA320 L7 Washers higher basic corrosion resistant properties, especially better resistance to pitting and crevice corrosion in chloride environments. It is appropriate for welding as it has carbon content material decrease than to keep away from carbide precipitation in welding programs. It gives better creep, strain to rupture and tensile electricity at improved temperatures.They are incredibly enriched with superior assets and synthetic with top-grade galvanized iron enforcing present day technologies. Typical Applications is utilized in fluidised mattress combustors, kilns, radiant tubes, tube hangers for petroleum refining and steam boilers, coal gasifier inner components, lead pots, and more.


Specification Of Alloy Steel Gr. L7 Fasteners

Specifications ASTM A320 / ASME SA320
Length 3mm to 200mm
Size M02 to M160, Custom Sizes

 

Alloy Steel Gr. L7 Fasteners Raw Material

Grade Raw Material Description
ASTM A320 L7 Alloy steel, Chromium Molybdenum Alloy Steel, Quenched & Tempered


ASTM A320 Grade L7 Fasteners Chemical Composition

Elements Content, % Allowable Variation, Over or Under, %
Carbon 0.08 max 0.01 over
Manganese 2.00 max 0.04
Phosphorus 0.04 max 0.005 over
Sulfur 0.03 max 0.005 over
Silicon 1.00 max 0.05
Nickel 24.00 – 27.00 0.20
Chromium 13.50 – 16.00 0.20
Molybdenum 1.00 – 1.50 0.05
Titanium 1.90 – 2.35 0.05
Aluminum 0.35 max 0.05 over
Vanadium 0.10 – 0.50 0.03
Boron 0.001 – 0.010 0.0004 under to 0.001 over


ASTM A320 Grade L7 Fasteners Mechanical Properties

Tensile Class Tensile Strength, min Yield strength, 0.2% offset, min Elongation in 4D min, % Reduction of Area, min, %
ksi MPa ksi MPa
A, B and C 130 895 85 585 15 18
D 130 895 105 725 15 18