ASTM A320/A320M L7 Combination Studs
Standard: According to drawing
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 |
Charm Bracelet – DIY Jewerly from JustBe is a complete unboxing and review. We are is so excited to review Charm Bracelet – DIY Jewerly from JustBe. JustBe Charm Bracelet Kit is a fun and beautiful jewelry that any little girl would love.
We are so excited to do a complete unboxing and DIY video of Charm Bracelet – DIY Jewerly from JustBe. These JustBe Charm Bracelets are super cute and a lot of fun. We explain how to setup and wear Charm Bracelet – DIY Jewerly from JustBe and we think you are going to love this Charm Bracelet – DIY Jewerly from JustBe Review. JustBe is going to be a huge company in 2019.
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1- Pulsar Men’s PW6013 Analog Display Japanese Quartz Silver Watch
https://www.amazon.com/Pulsar-PW6013-Analog-Display-Japanese/dp/B00LV572BI/?tag=clearance-special-20
2- Pulsar Men’s PT3623 Analog Display Japanese Quartz Black Watch
https://www.amazon.com/Pulsar-PT3623-Analog-Display-Japanese/dp/B00MGGZXBC/?tag=clearance-special-20
3- Pulsar Men’s PT3619 Analog Display Japanese Quartz Black Watch
https://www.amazon.com/Pulsar-PT3619-Analog-Display-Japanese/dp/B00MGGZAYC/?tag=clearance-special-20
Product Description
Pulsar by Seiko Holdings Corporation.
A spectacular breakthrough
Pulsar was born in an age of optimism. In the 1970′s, everything seemed achievable through the rapidly growing technological expertise at the world’s fingertips. Space flight had been converted from dream to reality, computer science was developing at break neck speed and electronics seemed to deliver new advances every day. Pulsar symbolized the age. It was new and it was bold, it was surprising and it was different. Pulsar, the world’s first electronic digital watch, created a sensation when it was unveiled in New York in 1972 and it changed the world’s perception of time.
A tradition of difference
When the brand was taken into the Seiko Corporation in 1980, it brought further surprises to the world; the first calculator watch in 1980 and the first all-quartz watch line in 1981 were among its industry-leading achievements. And throughout the ’80′s and 90′s Pulsar continued to bring to market new products that were born to be different. The Avant-garde collection in 1980′s set a new style in women’s watches and Spoon in 1990′s were unique designs which further cemented Pulsar’s image as an ingenious and surprising watchmaker.
Towards a modernist future
Today, Pulsar remains loyal to its heritage. It was born to be different and it will remain so. Each Pulsar watch has the hint of the futurism and modernity that have always been its hallmark. Pulsar is a brand for the individual who appreciates real value and seeks quality with individuality and flair.
Dress watch, Analog/digital quartz movement, Negative (light-on-dark) display, 1/100-second digital chronograph measures elapsed time/split time, Alarm mode, 12/24-hour format, EL (electroluminescent) backlight, Digital day-date-and-month display, Polished silver-tone skeleton hands with luminous accents, Polished silver-tone sweep seconds, Luminescent markers, White indices form minute track, Digital black dial with black concave ring and white logo, Brushed silver-tone stainless steel bracelet with polished inserts, adjustable links and push-button-clasp, Polished blue-ion-plated stainless steel bezel with engraved white Arabic numbers and indices, Polished silver-tone stainless steel round case with brushed accents, Stainless steel crown, Stainless steel selector buttons, Stainless steel screw-down caseback, Mineral crystal, 10 ATM (100 meters/330 feet water resistant)
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