Discount Price China Carbon Steel Grade 4.8 8.8 10.9 12.9 Double End Threaded Rod Thread Stud DIN938
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we could supply high quality solutions, aggressive value and greatest customer support. Our destination is “You come here with difficulty and we provide you with a smile to take away” for Discount Price China Carbon Steel Grade 4.8 8.8 10.9 12.9 Double End Threaded Rod Thread Stud DIN938, We persistently acquire our enterprise spirit “quality lives the organization, credit assures cooperation and continue to keep the motto inside our minds: buyers very first. we could supply...
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we could supply high quality solutions, aggressive value and greatest customer support. Our destination is “You come here with difficulty and we provide you with a smile to take away” for Discount Price China Carbon Steel Grade 4.8 8.8 10.9 12.9 Double End Threaded Rod Thread Stud DIN938, We persistently acquire our enterprise spirit “quality lives the organization, credit assures cooperation and continue to keep the motto inside our minds: buyers very first.
we could supply high quality solutions, aggressive value and greatest customer support. Our destination is “You come here with difficulty and we provide you with a smile to take away” for China Thread Stud DIN938, Double End Threaded Rod Thread Stud DIN938, If you have to have any of our products and solutions, or have other objects to be produced, be sure to send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
ASTM A193/A193M B7 All Threaded Stud Bolts
API 6A 6D Flange Valve Wellhead ASME/ANSI Flange All Thread Stud Bolts
Alloy steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
Standard: IFI-136, ASME B16.5, DIN976
Inch Size: 1/4”-4” with various lengths
Metric Size: M6-M100 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 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
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we could supply high quality solutions, aggressive value and greatest customer support. Our destination is “You come here with difficulty and we provide you with a smile to take away” for Discount Price China Carbon Steel Grade 4.8 8.8 10.9 12.9 Double End Threaded Rod Thread Stud DIN938, We persistently acquire our enterprise spirit “quality lives the organization, credit assures cooperation and continue to keep the motto inside our minds: buyers very first.
Discount Price China Thread Stud DIN938, Double End Threaded Rod Thread Stud DIN938, If you have to have any of our products and solutions, or have other objects to be produced, be sure to send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
