| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon Head |
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XIAMEN QISHINE
Xiamen Qishine Industry 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.
Qishine is ideal choice for EPC companies and project contractors. Our company specializes in supplying a range of products including Fasteners, Flanges, Gaskets, Fittings, Valves, Pipes 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.
For EPC companies and contractors seeking reliability and precision, Qishine is the optimal procurement solution
Introduction:
The API 20F Bolting ASTM A453 Gr. 660 Hex Nut and Stud Bolt is a highly specialized piece of hardware, designed to meet the stringent requirements of heavy-duty industrial applications. Crafted to comply with the international standards set by ISO, DIN and API, it embodies durability, reliability and precision, making it an essential component in a variety of engineering projects. In this comprehensive review, we explore the features, benefits and applications of this high-grade fastener, showcasing its superiority in the market.
Specifications:
The ASTM A453 Grade 660 classification signifies a material that exhibits extreme tensile and yield strengths and superior creep resistance. This makes it the go-to choice for applications requiring resistance to high temperatures and aggressive environments. The hex nut and bolt also comply with the 20F bolting specifications set by ISO, DIN and API, ensuring extensive applicability across multiple industries.
Product Recommendation
The A453 Gr 660 UNS S66286 W.Nr 1.4980 bolt is a high-performance fastener designed for use with B16.5 flanges in oil pipeline applications. Manufactured from high-quality A453 Gr 660 material, this bolt provides exceptional strength and durability, ensuring reliable performance in challenging conditions. With a minimum elongation of 15% and a grade of 8.8, it is engineered to withstand high levels of stress and pressure.
Conforming to the UNS S66286 standard, it guarantees consistency and quality in every unit. With a size of M42 and a length of 430 mm, it is ideal for securing flanges efficiently and effectively. The W.Nr 1.4980 designation further highlights the premium quality of this bolt, emphasising its precision engineering and exacting specifications.
PRODUCT QUALITY CERTIFICATE
1.DESCRIPTION
| DESIGNATION: Full thread bolt |
MATERIAL GRADE:A453 Gr.660 Cl.A | MATERIAL MARK:660A SN | ||||||||||||||||||||||||||||||
| STANDARD:ISO 261 | SPECIFIATIONS:ASTM A453/A453M-2017 | HEAT NO:9D70097 | ||||||||||||||||||||||||||||||
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Specs
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PO. Item | 20# 33# | ||||||||||||||||||||||||||||||
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Qty/PCS
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| 2. %CHEMICAL COMPOSITION | ||||||||||||||||||||||||||||||||
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elements
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C | Si | Mn | P | S | Cr | Ni | Mo | Al | Ti | B | V | ||||||||||||||||||||
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norm values
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≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 13.5-16.0 | 24-27 | 1.0-1.5 | ≤0.35 | 1.9-2.35 | 0.001-0.010 | 0.10-0.50 | ||||||||||||||||||||
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Actual
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0.040 | 0.27 | 1.22 | 0.018 | 0.001 | 14.59 | 26.45 | 1.13 | 0.12 | 1.88 | 0.005 | 0.31 | ||||||||||||||||||||
| 3. MECHANICAL PROPERTY | ||||||||||||||||||||||||||||||||
INSPECT. ITEM |
Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % | Reduction % | -196ºC impact test J |
Hardness HB |
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| Spec | ≥895 | ≥585 | ≥15% | ≥18% | - | HB248-341 | ||||||||||||||||||||||||||
| Actual | 1047 | 617 | 31.5 | 58 | 71.25 73.43 75.21 | 310 | ||||||||||||||||||||||||||
| 4. HEAT TREATMENT | ||||||||||||||||||||||||||||||||
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ºC ºC
METHOD: +970ºC 720ºC
Solid solution + Prescription Solid solution Prescription
MEDIUM: water T T |
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| 5. SURFACE & CLASS | ||||||||||||||||||||||||||||||||
| THREAD CLASS:6g | ||||||||||||||||||||||||||||||||
| DIMENSIONAL AND SURFACE INSPECTION: OK | ||||||||||||||||||||||||||||||||
| APPEARANCE TREATMENT: Color | ||||||||||||||||||||||||||||||||
Testconclusions |
SH/T3404-2013 After Inspection , The quality of this product get the SH/T3404-2013 standard of the pattern and the industry standard. |
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| THE ABOVE MATERIAL IS MANUFACTURED IN ACCORDANCE WITH SPECIFIED SPECIFICATION AND IS SUBJECT TO RANDOM TEST AND INSPECTION.THE CERTIFICATE IS PREPRARED BASED ON THE TEST RESULTS WHICH ARE OBTAINED UNDER THE SUPERVISION BY THE INSPECTOR.THE INSPECTOR IS INDEPENDENT OF THE MANUFACTURER. | ||||||||||||||||||||||||||||||||
One of this bolt's standout features is its excellent corrosion resistance. Designed to withstand exposure to harsh conditions and corrosive substances, it retains its structural integrity over time, minimising the risk of failure and ensuring reliable performance in critical applications. Whether used in offshore oil rigs or onshore pipelines, this bolt delivers unparalleled performance and peace of mind.
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