ASTM A307 Grade A Hex Bolts Hex Cap Screws
Standard: ASME B18.2.1
(Various types of configuration are also available)
Thread Size: 1/4”-4” with various lengths
Grade: ASTM A307 Grade A
Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on
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 A307
The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C* which denote tensile strength, configuration, and application. Refer to the Mechanical Properties Chart for the subtle strength differences within each grade.
| A | Headed bolts, threaded rods and bent bolts intended for general applications. |
|---|---|
| B | Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges. |
| C* | Nonheaded anchor bolts, either bent or straight, intended for structural anchorage purposes. The end of a grade C anchor bolt intended to project from the concrete will be painted green for identification purposes. Permanent marking is a supplemental requirement. *As of August 2007, grade C has been replaced by specification F1554 grade 36. We will continue to supply grade C, if required by the project. |
| Grade | Tensile, ksi | Yield, min, ksi | Elong %, min |
|---|---|---|---|
| A | 60 min | -- | 18 |
| B | 60 - 100 | -- | 18 |
| C* | 58 - 80 | 36 | 23 |
| Element | Grade A | Grade B |
|---|---|---|
| Carbon, max | 0.29% | 0.29% |
| Manganese, max | 1.20% | 1.20% |
| Phosphorus, max | 0.04% | 0.04% |
| Sulfur, max | 0.15% | 0.05% |
| Nuts | Washers | ||
|---|---|---|---|
| A307 Grades A & C* | A307 Grade B | ||
| 1/4 - 1-1/2 | 1-5/8 - 4 | 1/4 - 4 | |
| A563A Hex | A563A Heavy Hex | A563A Heavy Hex | F844 |
Chuyên sản xuất: Phụ Kiện ỐNG LUỒN DÂY ĐIỆN IMC/RSC/TY REN/TY TREO/TY RĂNG/THANH REN/ TY TREO mạ kẽm M6, M8, M10, M12, M16 – (High quality Galvanized Thread Rod) 1m, 2m, 3m, đạt tiêu chuẩn JIS B 1051 – JAPAN & DIN 975 & DIN 976- Đức, Đai treo /Cùm treo, Đai treo 2 mảnh (Pipe hanger/Conduit Clamp), tắc kê đạn, Đai treo Omega, cùm omega, Cùm Ubolt, Cùm Ubolt lá (U Bolts) Gía đỡ cơ điện (M&E/Mechanical Fixings, Fasteners and Spring steel Supports) Cùm treo ống / Kẹp treo ty & ống / Kẹp treo ống thép luồn dây điện, ống PCCC/ HVAC (Steel conduit hanger/Pipe hanger/Clevis Hanger), Kẹp xà gồ/ Kẹp dầm thép (Beam Clamp/Suspending Clamp/C-Clamp), Thanh chống đa năng (Unistrut Channel/ Strut/ C-Channel/ Double Unistrut profile ), Đai ốc lò xo cho thanh chống đa năng (Long spring nut), Tay đỡ đơn (Cantilever Arm), U cùm ( U bolts), Tắc kê đạn (Drop In Anchor), Đai treo (bát treo) cho hệ thống điện nhẹ M&E / HVAC/PCCC /Điều hoà không khí cho toà nhà cao tầng và nhà máy sản xuất công nghiệp tại Việt Nam.
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