| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon Head |
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XIAMEN QISHINE
XIAMEN QISHINE IMP. & EXP. Co., Ltd., is a globally recognized and renowned pipeline product supplier specializing in the provision of a wide array of pipeline essentials, from fasteners to gaskets. 
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.
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 international standards set by ISO, DIN, and API, it epitomizes durability, reliability, and precision, making it an indispensable choice in various engineering projects. In this comprehensive review, we delve deep into the features, benefits, and applications of this industry-grade fastener, alluringly showcasing its superiority in the market.
Specifications:
The Grade 660 classification of the ASTM A453 material signifies a product that exhibits extreme tensile strength, yield strength, and superior creep resistance, making it the go-to choice for applications that require resistance to high temperature and aggressive environments. The hex nut and bolt are also compliant with 20F Bolting specifications set by ISO/DIN/API, ensuring an extensive applicability scope across multiple industries.
Product Recommendation
The A453 Gr 660 UNS S66286 W.Nr 1.4980 Bolt is a superior fastening solution designed for use with B16.5 flanges in oil pipeline applications. Crafted from top-quality A453 Gr 660 material, this bolt offers exceptional strength and durability, ensuring reliable performance in demanding environments. With a minimum elongation of 15% and a grade of 8.8, this bolt is engineered to withstand high levels of stress and pressure.
The bolt conforms to the standard UNS S66286, guaranteeing consistency and quality in every unit. Sized at M42 with a length of 430 mm, it is suitable for securing flanges securely and efficiently. The W.Nr 1.4980 designation further underscores the premium nature of this bolt, emphasizing 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 the standout features of this bolt is its excellent corrosion resistance. Built to endure exposure to harsh elements and corrosive substances, it maintains its integrity over time, reducing the risk of failure and ensuring long-term reliability in critical applications. Whether in offshore oil rigs or onshore pipelines, this bolt delivers unparalleled performance and peace of mind.
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