ASTM A320/A320M L7M All Threaded Stud Bolts
Standard: IFI-136, ASME B16.5, DIN976
Inch Size: 1/4”-2.1/2” with various lengths
Metric Size: M6-M64 with various lengths
Other Available Grade:
ASTM A193/A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,
ASTM A320/A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, and so on.
Finish: Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc.
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports
Please feel free to contact us for more details.
ASTM A320
Scope Originally approved in 1948, 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. Below is a basic summary of a few of the common grades within the ASTM A320 specification. A number of other less common grades of ASTM A320 exist, but not covered in the description below.| L7 Alloy steel | AISI 4140/4142 Quenched and tempered |
| L43 Alloy steel | AISI 4340 Quenched and tempered |
| B8 Class 1 Stainless steel | AISI 304, carbide solution treated |
| B8M Class 1 Stainless steel | AISI 316, carbide solution treated |
| B8 Class 2 Stainless steel | AISI 304, carbide solution treated, strain hardened |
| B8M Class 2 Stainless steel | AISI 316, carbide solution treated, strain hardened |
| Grade | Size | Tensile, ksi, min | Yield, ksi, min |
Charpy Impact 20-ft-lbf @ temp |
Elong, %, min | RA, %, min |
| L7 | Up to 21/2 | 125 | 105 | -150° F | 16 | 50 |
| L43 | Up to 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 | 30 | 45 |
| Grade | Nuts | Washers |
| L7 | A194 Grade 4 or 7 | F436 |
| L43 | A194 Grade 4 or 7 | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8, strain hardened | SS304 |
| B8M Class 2 | A194 Grade 8M, strain hardened | SS316 |
Visit Us : https://www.siddhagiri.net/ Seo By www.mesotek.com
Threaded Bolts Nuts DIN Fasteners ANSI Fasteners ASTM Fasteners BS Fasteners DIN Specification Fasteners, Weight Tables
our alloy and metal fasteners conform to the international quality standards such as DIN, ANSI, ASTM, BS, etc. We also extend custom production of fasteners in bulk according to the customers’ samples or drawings.
RANGE: M10 TO M100 , LENGTH UPTO 5 METERS
BOLTS
STUD BOLTS, HEX HEAD BOLTS, SOCKET HEXAGON HEAD SCREW ANCHOR BOLTS, U-BOLTS, J BOLTS, MUSHROOM HEAD SQUARE NECK BOLTS , T- HEAD BOLTS , WING SCREW , EYE BOLT , EYE BOLT, FOUNDATION BOLTS, STRUCTURAL BOLTS.
WASHER
PLAIN WASHER , PLAIN BIG & SMALL OD WASHER , SPRING LOCK WASHER , SPRING WASHER HEAVY DUTY , TOOTH WASHER , STAR WASHER , TAB WASHER WITH ONE & TWO TAB .
NUTS
HEXAGON NUTS , HEXAGON COUPLING NUTS , HEXAGON THIN NUT , SQUARE NUT , HEXAGON CASTLE NUTS , SELF LOCKING NUT , HEXAGON DOMED CAP NUTS.
SCREW
PAN HEAD SLOTTED SCREWS , CHEESE HEAD SLOTTED SCREWS , COUNTERSUNK HEAD SLOTTED SCREWS , COUNTERSUNK RAISED HEAD SLOTTED SCREWS , PAN PHILLIPSE HEAD SCREW , COUNTERSUNK PHILLIPSE RAISED HEAD SCREWS , SLOTTED CHEESE TRIM HEAD MACHINE SCREWS , SOCKET HEAD ALLEN CAP SCREWS , ALLEN COUNTERSUNK SOCKET HEAD CAP SCREWS , SOCKET HEAD SHOULDER SCREWS , SOCKET HEAD CAP SCREW LOW HEAD , HEXAGON SOCKET SET SCREW WITH FLAT POINT , HEXAGON SOCKET SET SCEWS WITH CONE POINT , HEXAGON SOCKET SET SCREW WITH DOG POINT , HEXAGON SOCKET SET SCREWS WITH DOG POINT , HEXAGON SOCKET SET SCREWS WITH CUP POINT , IMPRIAL SOCKET CAP SCREWS .
OTHER
THREADED ROD, AS PER DRAWING AND CUSTOMERS SPEC.
COATING
HOT DIPPED GALVANIZING
PHOSPHATE
TEFLON
XYLON
ZINC
CADMIUM
Siddhagiri Metals and Tubes
161/163, Dr. M.G. Mehitura Marg,
3rd Kumharwada Mumbai,
Maharashtra-400 004 (India)
Phone :+(91)-(22)- 23865529/66109206
Fax :+(91)-(22)-23866944
E-Mail : sales@siddhagiri.net
Visit us: www.siddhagiri.net
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