Basic Info.
Standard
DIN, ANSI, GB, JIS, BSW, GOST
Application
Machinery, Chemical Industry, Environmental, Building
Specification
1/2 to 4 inch
Product Description
Company Profile
XIAMEN QISHINE
Xiamen Qishine Imp. & Exp. Co., Ltd. is a Chinese company established in 2013. We are a leading fabrication services provider in industries such as Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry, specifically for pipeline construction and maintenance.
Xiamen Qishine is ideal choice for EPC companies and project contractors. Our company specializes in supplying a range of products including Pipes, Flanges, Fasteners, Gaskets, Fittings, Valves, and Piping Spare Parts. Our products are API, CE, TUV and ISO certified. Products are widely used on oil rigs, new nuclear power plant, Chemical and Heavy Industry.
Qishine is proud as being a premium product supplier who works closely with our clients to achieve the best possible results. We have an experienced team, skilled labor force, and advanced facilities to ensure safe and efficient project completion, meeting deadlines and budget requirements.
We take pride in catering to a broad range of clientele across various industries and projects worldwide, with a strategic focus on Engineering, Procurement, and Construction (EPC) companies and pipeline construction projects.
We have more than ten years of pipeline product development&sales experience, so we have a wealth of relevant experience and problem solving ability.
Certifications
Detailed Photos
Product Description
Introduction
The ASTM A193 B7 Black Coated Stud Bolt with two Nuts is a high-quality fastening solution designed to meet the demanding requirements of various industries, especially in the oil pipeline sector. This stud bolt, made of A193 B7 material and conforming to ASTM standards, offers exceptional strength, corrosion resistance, and excellent performance characteristics. With a size range from 1/2 to 4 inches, a performance class of 8.8, and a surface finish of color zinc coating, this stud bolt is an ideal choice for critical applications where reliability and durability are paramount.
Product Description
The Black Coated Stud Bolt is precision-engineered to deliver superior performance in challenging environments. Its material composition of A193 B7 ensures high tensile strength, with a strength of extension reaching 860 MPa. This stud bolt also boasts an elongation of 16%, allowing flexibility and resilience under varying loads. The black coating not only enhances its aesthetic appeal but also provides an additional layer of protection against corrosion, making it suitable for use in harsh and corrosive conditions.
Product Recommendation
Use Cases
The Black Coated Stud Bolt finds extensive applications in the oil pipeline industry, where dependable fastening solutions are crucial for ensuring the integrity and longevity of pipeline systems. Whether used in the construction of new pipelines or for maintenance and repairs, this stud bolt offers a reliable and durable fastening solution that withstands the rigors of operation in challenging environments.
Quality Assurance
Each ASTM A193 B7 Black Coated Stud Bolt undergoes meticulous quality control measures to ensure conformity to ASTM standards and performance specifications. With a focus on precision manufacturing and stringent inspection protocols, customers can trust in the reliability and consistency of these stud bolts for their critical applications.
Conclusion
In conclusion, the ASTM A193 B7 Black Coated Stud Bolt with two Nuts stands out as a high-quality fastening solution that combines strength, corrosion resistance, and durability. Whether used in oil pipelines or other industrial applications, this stud bolt offers a reliable and long-lasting solution for securing critical connections. Trust in the proven performance of this black coated stud bolt for your next project, and experience the difference in quality and reliability it brings to your operations.
Applications:
With its superior specifications and robust build, the ASTM A193 B7 Tap End Stud Bolt is widely adopted across numerous industrial sectors, including the oil and gas, petrochemical, power generation, and heavy machinery industries. It excels in high-pressure and high-temperature environments, making it suitable for applications such as boilers, pressure vessels, flanges, and valves, to name a few.
Product Parameters
| Xiamen Qishine Imp.&Exp. Co.,Ltd. |
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| No.: QR-20-06 REV.B/2 | | | | Certificate of Product Quality | | | | | | | | |
| ( As per EN 10204 type 3.1 ) |
| Customer: | | | | | | | | CERTIFICATE NO.: | Y22120710 |
| Normative References: ASTM A193/A193M GR B7--22 | | | | | | DATE: | 07/Dec/22 | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
| P.O.No. | PART NO. | ITEM. | PART DESCRIPTION | Qty | Measured Value |
| Chemical Composition() | Mechanical Property | REDUCTION RATIO | ≥4:1 |
| C | Mn | Si | S | P | Cr | Ni | Mo | V | Al | σb (Mpa) | σs (Mpa) | δ (%) | φ (%) | HARDNESS (HRC) | ºC |
| AKV(J) | HEAT NO. | HEAT LOT NO./TRACEABLE NO. / |
| 0.38 | 0.75 | 0.15 | 0.040 Max | 0.035 Max | 0.80 | - | 0.15 | - | - | 860 Min | 720 Min | 16 Min | 50 Min | 34 Max | 10x10mm |
| 0.48 | 1.00 | 0.35 | 1.10 | - | 0.25 | - | - | |
| P22/000294 | - | 182 | Hex Head Bolt,1/2-13UNCx115-2A,A193 B7-HDG | 19 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 951 | 848 | 20.5 | 63 | 28,28,29 | - | 9072380Z | C6221104-5 |
| P22/000294 | - | 181 | Hex Head Bolt,1/2-13UNCx90-2A,A193 B7-HDG | 6 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 951 | 848 | 20.5 | 63 | 28,28,29 | - | 9072380Z | C6221104-5 |
| P22/000294 | - | 148 | Stud Bolt,1/2-13UNCx2-1/2-2A,A193 B7-HDG | 84 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 951 | 848 | 20.5 | 63 | 28,28,29 | - | 9072380Z | C6221104-5 |
| P22/000294 | - | 149 | Stud Bolt,1/2-13UNCx3-2A,A193 B7-HDG | 36 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 951 | 848 | 20.5 | 63 | 28,28,29 | - | 9072380Z | C6221104-5 |
| P22/000294 | - | 192 | Stud Bolt,1/2-13UNCx4-2A,A193 B7-HDG | 12 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 951 | 848 | 20.5 | 63 | 28,28,29 | - | 9072380Z | C6221104-5 |
| P22/000294 | - | 183 | Hex Head Bolt,5/8-11UNCx100-2A,A193 B7-HDG | 6 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 981 | 901 | 20 | 61 | 30,30,31 | - | 9072380Z | C6221104-7 |
| P22/000294 | - | 195 | Hex Head Bolt,5/8-11UNCx165-2A,A193 B7-HDG | 4 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 981 | 901 | 20 | 61 | 30,30,31 | - | 9072380Z | C6221104-7 |
| P22/000294 | - | 156 | Stud Bolt,5/8-11UNCx3-1/2-2A,A193 B7-HDG | 556 | 0.41 | 0.87 | 0.28 | 0.004 | 0.01 | 1.07 | - | 0.22 | - | - | 981 | 901 | 20 | 61 | 30,30,31 | - | 9072380Z | C6221104-7 |
| MACROSTRUCTURE (As per ASTM E381 S1,R1,C2):Qualified Product. | MICROSTRUCTURE (Predominately tempered martensite):Qualified Product. | DECARBURIZATION TEST (As per ASTM F2328):Qualified Product. |
| NDE | MT: ASTM A962 S55. ACCEPTANCE CRITERIA AS PER ASTM S57. ACCEPTABLE. | UT: AS PER ASTM A388/388M AND ASTM E127 ACCEPTANCE CRITERIA: AS PER API 6A STEMS PSL3, ACCEPTABLE. | PT: ASTM A962 S56. ACCEPTANCE CRITERIA AS PER ASTM S57. ACCEPTABLE. |
| HEAT TREATMENT DETAIL | Method | | | () | | COMPLIANCE |
| Furnace type | Temp.ºC | holding time (M) | Cooling Method | We hereby certify that above material manufactured, sampling, tested and inspected according to customer order requirements, conform to API 20E, BSL-1. There is no weld repair. The material is free from radioactive contamination. ,,,API 20E, BSL-1... |
| Quenching | Electric furnace | 860 | 1 h. | Oil |
| Tempering | Electric furnace | 620 | 1 h. | Air |
| - | - | - | - | - |
| - | - | - | - | - |
| EQUIPMENT CALIBRATION: | CAL.DATE: 2022.06.07 | CAL.DUE DATE: 2023.06.06 |
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| DIMENSIONAL & THREAD FORMS: Qualified Product. | VISUAL CHECK: Qualified Product. | COATING: Qualified Product. |
| PREPARED BY | | QC MANAGER | | DATE | |
Reliability:
One of the standout features of the Bolting ASTM A193 B7 Tap End Stud Bolt is its unparalleled reliability. The combination of stringent standards compliance and high-quality materials ensures that this stud bolt performs consistently under various challenging conditions. The end result is a reliable fastening solution that ensures the structural integrity and operational efficiency of your equipment.
Conclusion:
The Bolting ASTM A193 B7 Tap End Stud Bolt represents the pinnacle of industrial fastening solutions. With its superior strength, high durability, and consistent performance, this tap end stud bolt sets a new benchmark in the fastener industry.
Investing in the Bolting ASTM A193 B7 Tap End Stud Bolt is a statement of commitment to quality, reliability, and performance. This fastener is more than a simple piece of hardware; it is a testament to advanced engineering, precise manufacturing, and stringent quality control.
When viewed from the sustainability perspective, this bolt's impressive durability and high performance also contribute to reducing waste and environmental impact, as their long service life necessitates fewer replacements over time.
In essence, the Bolting ASTM A193 B7 Tap End Stud Bolt is not just a fastening solution; it is an assurance of unmatched strength, resilience, and excellence. When you choose this stud bolt for your industrial applications, you are choosing top-tier performance, longevity, and peace of mind.
Address:
Room 209-1, 318 Houhang Qianshe, Huli District, Xiamen, Fujian, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Apparel & Accessories, Auto, Motorcycle Parts & Accessories, Construction & Decoration, Furniture, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Tools & Hardware, Transportation
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ASME
Company Introduction:
We XIAMEN QISHINE IMP. & EXP. Co., Ltd. is dedicated to supplying extensive range of Pipe, Valve, Flange, Pipe Fitting, Fastener, Gasket and related spare parts for oil, gas, petroleum industry service. And we offer Solar Power Supply System, such as Photovoltaic Panel in New Energy Field. Qishine. En. Made-in-China. com is our homepage, you are welcome to login for more details.
All Qishine′s products are manufactured by ISO, API, CE/PED and EU approved factories. Professional production, scientific management and good workforce, making our products are popular in Europe, American, Middle East, Asia and Africa. Our products are 100% inspected before packing with qualification EN10204- 3.1 certificates. And any third party inspection before delivery are welcome.
Our advantages:
One-stop shop service, save time and cost for clients. Best choice for EPC companies and projects′ construction.
Good quality goods.
Rich experience in exporting and projects service.
Competitive price.
Professional service.
Choose Qishine means you stand with reliability, high quality & Competitiveness!
The future of Qishine begins today, and it is focused on being the preferred supplier of steel pipeline materials. For this, it must be differentiated by offering maximum quality goods, giving the best service, with the best possible competitiveness, and this is what we work on continually.
Good quality + competitive price + professional service = Long-term win-win cooperation. Please give both of us the nice opportunity to work together. I believe it will be a great start. Expecting your nice enquiry and to be your long-term strategy partner soon.
Thank you for your support!
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