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.
Specifications | ASTM A320 / ASME SA320 |
Length | 3mm to 200mm |
Size | M02 to M160, Custom Sizes |
Grade | Raw Material Description |
ASTM A320 L7 | Alloy steel, Chromium Molybdenum Alloy Steel, Quenched & Tempered |
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 |
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 |