ASTM A320 Grade L7
A320 Grade L7 Stud Bolt, ASTM A320 Grade L7 Heavy Hex Bolts Supplier, ASTM A320 Grade L7 60000 PSI Tensile Strength Threaded Rod Exporter, ASTM A320 Grade L7 Screw Dealer in Mumbai, ASTM A320 Grade L7 Bolts Manufacturer in India.
Boltport Fasteners exports a wide range of ASTM A320 Grade L7 Fasteners, which is resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Also, we make ASTM A320 Grade L7 Alloy Steel Studs available at best prices which easily come in the budget limits of our clients. We manufacture these ASTM A320 Grade L7 Bolts using best quality materials and according to the specifications of the clients. We are an approved manufacturer of ASTM A320 Grade L7 Stud Bolts, having a state-of-the-art infrastructure facility for having smooth production process.
ASTM A320 Grade L7 Bolts
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ASTM A320 Gr L7 Studs
ASTM A320 Grade L7 Specifications
| Thread Diameters | : | M6 to M36 |
| Threads Configuration | : | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service | : | The ASTM A320 specification covers alloy steel and stainless steel bolting materials for low temperature service. This standard covers rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings. Like the ASTM A193 specification, unless otherwise specified, the 8UN thread series is specified on fastener larger than 1” in diameter. |
| Element | L7 (AISI 4140) | L43 (AISI 4340) | B8 (AISI 304) | B8M (AISI 316) |
| Carbon | 0.37 – 0.49% | 0.38 – 0.43% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 0.75 – 1.00% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.04% | 0.04% | 0.05% | 0.05% |
| Sulfur, max | 0.04% | 0.04% | 0.03% | 0.03% |
| Silicon | 0.15 – 0.35% | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 0.70 – 0.90% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 1.65 – 2.00% | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 0.20 – 0.30% | 2.00 – 3.00% |
| 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 |
| L43 | sup a 4 | 125 | 105 | -150° F | 16 | 50 |
| B8 Class 1 | all | 75 | 30 | N/A | 30 | 50 |
| B8M Class 1 | all | 75 | 30 | N/A | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | N/A | 12 | 35 |
| 7/8 – 1 | 115 | 80 | N/A | 15 | 35 | |
| 11/8 – 11/4 | 105 | 65 | N/A | 20 | 35 | |
| 13/8 – 11/2 | 100 | 50 | N/A | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | N/A | 15 | 45 |
| 7/8 – 1 | 100 | 80 | N/A | 20 | 45 | |
| 11/8 – 11/4 | 95 | 65 | N/A | 25 | 45 | |
| 13/8 – 11/2 | 90 | 50 | N/A |
ASTM A320 Grade L7 Heavy Hex Bolts Manufacturer, ASTM A320 Grade L7 Alloy Steel Threaded Rods Exporter, ASTM A 307 Studs, ASTM A320 Grade L7 Fasteners Dealer in Mumbai, A320 Grade L7 Bolts Manufacturer in Mumbai.
These ASTM A320 Grade L7 Alloy Steel Bolts are widely used in a range of applications like structural, mechanical and general engineering purposes. With the aid of our state of art infrastructure facility, we have been able to complete the bulk requirements of ASTM A320 Grade L7 bolts in the most efficient manner. We use latest technology and comprehensive quality control systems in manufacturing our ASME SA320 Grade L7 Alloy Steel Fasteners so that our customers get exactly what they want on customized requests. After cold working, Alloy Steel Grade L7 Titanium Alloy Bolts can be softened and recrystallized by appropriate annealing. Professionals are working with modish equipment and high-tech machines for designing these ASTM A320 Grade L7 Studs. Procured from credential and trusted experts our range of Stainless Steel A320 Grade L7 Bolts finds wide application in diverse industries.
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