Factory wholesale China Heavy Hex Bolt A325/A490
Short Description:
It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward. We are looking forward to your visit for joint growth for Factory wholesale China Heavy Hex Bolt A325/A490, We’ve been hugely aware of high-quality, and have the certification ISO/TS16949:2009. We are dedicated to provide you good quality items with sensible selling price. It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward....
Product Detail
Product Tags
It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward. We are looking forward to your visit for joint growth for Factory wholesale China Heavy Hex Bolt A325/A490, We’ve been hugely aware of high-quality, and have the certification ISO/TS16949:2009. We are dedicated to provide you good quality items with sensible selling price.
It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward. We are looking forward to your visit for joint growth for China Heavy Structural Hex Bolts, Steel Fastener, What is good price? We give customers with factory price. In the premise of good quality, efficiency have to be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers’ requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products and solutions in time. Sincerely hope we could have long term business relationship.
A193 B7 Heavy Hex Bolts Heavy Hex Cap Screws
Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M
(Various types of head are available)
Inch Size: 1/2”-2.3/4” with various lengths
Metric Size: 1/2-M72 with various lengths
Grade: ASTM A193 B7
Finish: Black Oxide, Zinc Plated, Zinc Nickel 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 A193
Scope
Originally approved in 1936, this specification is heavily utilized in petroleum and chemical construction applications. The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.
Below is a basic summary of a few of the common grades. ASTM A193 covers a number of other standard specifications not covered in this description including B5, B6, and B16.
Grades
| B7 | Alloy steel, AISI 4140/4142 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 |
Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
Recommended Nuts and Washers
| Bolt Grade | Nuts | Washers |
| B7 | A194 Grade 2H | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8 | SS304 |
| B8M Class 2 | A194 Grade 8M | SS316 |
Strain hardened nuts available as a supplementary requirement
Testing Lab
Workshop
Warehouse
It is our responsibility to meet your needs and efficiently serve you. Your satisfaction is our best reward. We are looking forward to your visit for joint growth for Factory wholesale China Heavy Hex Bolt A325/A490, We’ve been hugely aware of high-quality, and have the certification ISO/TS16949:2009. We are dedicated to provide you good quality items with sensible selling price.
Factory wholesale China Heavy Structural Hex Bolts, Steel Fastener, What is good price? We give customers with factory price. In the premise of good quality, efficiency have to be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers’ requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products and solutions in time. Sincerely hope we could have long term business relationship.
