ASTM A320 Grade L7M
ASTM A320 Grade L7M Heavy Hex Bolts Supplier, A320 Grade L7M Stud Bolt, ASTM A320 Grade L7M 60000 PSI Tensile Strength Threaded Rod Exporter, ASTM A320 Grade L7M Screw Dealer in Mumbai, ASTM A320 Grade L7M Bolts Manufacturer in India.
Boltport Fasteners delivers a wide range of ASTM A320 Grade L7M Fasteners, which has excellent resistance towards heat, corrosive medium and stress - corrosion cracking. Our ASTM A320 Grade L7M Alloy Steel Bolts are suitable to fulfill the needs of commercial as well as industrial needs like grills, infrastructure, grills and constructions. These ASTM A320 Grade L7M Alloy Steel Studs are contrived using top quality materials that are procured from reliable experts in the market, where our team work hard round the clock to fulfill the ever changing needs of our clients. ASTM A320 Grade L7M SS Fastener exhibits characteristics like good corrosion resistance, good weldability and high strength.
ASTM A320 Grade L7M Bolts
ASTM A320 Alloy Steel Fasteners
ASTM A320 Gr L7M Studs
ASTM A320 Alloy Steel Bolts
ASTM A320 Grade L7M Threaded Rod
ASTM A320 Grade L7M 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 | L7M (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 |
|---|---|---|---|---|---|---|
| L7M | 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 A 307 Studs, ASTM A320 Grade L7M Fasteners Dealer in Mumbai, ASTM A320 Grade L7M Heavy Hex Bolts Manufacturer, ASTM A320 Grade L7M Alloy Steel Threaded Rods Exporter, A320 Grade L7M Bolts Manufacturer in Mumbai.
ASTM A320 Grade L7M AS Fasteners is often used in oil and gas exploration and processing equipment – piping, tubing, and heat exchangers. Total quality management at our end, has enabled us in providing our patrons with a fault free product, where the entire range of our ASTM A320 Grade L7M Alloy Steel Stud Bolt is checked on stringent parameters to ensure quality. The high content of lead in ASTM A320 Grade L7M AS Bolt results in a relatively low ductility and plasticity. Products we offer are of high quality and before offering these ASTM A320 Grade L7M Alloy Steel Studs to patrons, we stringently examine entire array on well-defined quality parameters in order to offer fault free range. ASTM A320 Grade L7M Fasteners are available in various dimensions and thickness, which can also be custom tailored according to the clients'' requirements.
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