| Customization: | Available |
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| Material: | Nickel-Based Alloy |
| Type: | Stud 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 DIN 20F Bolting Inconel B637 UNS N07718 Hex Nut and Stud Bolt is a high-performance fastening solution designed for use in the most demanding industrial applications. This expertly engineered hardware is constructed using Inconel alloy, B637 UNS N07718, noted for its superior strength, resilience, and corrosion resistance. Manufactured to the stringent standards set by DIN, ISO, and API, this bolt and nut combination demonstrates excellent performance across a wide spectrum of applications. In this comprehensive review, we will explore the distinct attributes, benefits, and diverse applications of this exceptional fastener.
Specifications:
The Inconel B637 UNS N07718 Hex Nut and Stud Bolt complies with several key international standards: DIN 976, ISO 4033, ISO 261, and API 20F. These specifications ensure its suitability for a broad range of tasks, meeting the diverse needs of multiple industrial sectors. The classification of Inconel B637 UNS N07718 denotes the bolt's unique composition, a blend of nickel, chromium and molybdenum, which provides exceptional strength and resistance to corrosion, especially in high-temperature environments.
Product Recommendation
Design and Build:
The API 20F Bolting Inconel B637 UNS N07718 Hex Nut and Stud Bolt represent a meticulous engineering feat, marrying cutting-edge technological capabilities with time-honoured artisanal techniques. The resulting product is robust, reliable and displays excellent dimensional stability, ensuring a perfect fit in various assembly tasks. The hex nut and stud bolt combination is an effective fastening solution that can be used to meet a variety of structural and mechanical requirements.
Strength and Durability:
The Inconel B637 UNS N07718 Hex Nut and Stud Bolt is renowned for its extraordinary strength and exceptional durability, and is the perfect solution for challenging conditions. The high-quality Inconel alloy used in the manufacture of this fastener ensures excellent tensile strength, yield strength, and fatigue resistance. These specifications make it an ideal choice for heavy-duty applications where high strength and longevity are paramount.
Xiamen Qishine Imp.&Exp. Co.,Ltd.
PRODUCT QUALITY CERTIFICATE
CUSTOMER:
Contract No:5330
Serial No:53(35)
DESCRIPTION DATE:2022-12-19
| /DESIGNATION: Full thread stud |
MATERIAL GRADE: B637 UNS N07718 |
MATERIAL MARK:7718 SN | |||||||||||||||||||||||
| /STANDARD:ISO 261-1998 | SPECIFIATIONS:ASTM B637-2018 | HEAT NO:22-2-276 | |||||||||||||||||||||||
| Specs | M36*340 | PO. Item | 53# | ||||||||||||||||||||||
| Qty/PCS | 42 | ||||||||||||||||||||||||
| , %CHEMICAL COMPOSITION | |||||||||||||||||||||||||
| elements | C | Si | Mn | P | S | Cr | Mo | ||||||||||||||||||
| norm values | ≤0.08 | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | 17.00-21.00 | 2.80-3.30 | ||||||||||||||||||
| Actual | 0.0332 | 0.145 | 0.0554 | 0.0071 | 0.0011 | 18.32 | 3.08 | ||||||||||||||||||
| elements | Co | Nb+Ta | Cu | Ti | Al | B | Ni | ||||||||||||||||||
| norm values | ≤1.00 | 4.75-5.50 | ≤0.30 | 0.65-1.15 | 0.20-0.80 | ≤0.006 | 50.00-55.00 | ||||||||||||||||||
| Actual | 0.187 | 5.08 | 0.0431 | 1.07 | 0.65 | 0.0041 | 51.1 | ||||||||||||||||||
| , MECHANICAL PROPERTY | |||||||||||||||||||||||||
INSPECT. ITEM |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation % |
% Reduction |
-196ºC impact test J |
Hardness HBW |
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| Spec | ≥1275 | ≥1035 | ≥12 | ≥15 | - | ≥331 | |||||||||||||||||||
| Actual | 407 | 1163 | 14.5 | 16 | 17.16 15 18.64 | 407 | |||||||||||||||||||
| , HEAT TREATMENT | |||||||||||||||||||||||||
| ºC ºC METHOD: + 1000ºC 720ºC Solid solution + Prescription Solid solution1000ºC Precipitation hardening720ºC MEDIUM: water,Air T T |
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| , SURFACE & CLASS | |||||||||||||||||||||||||
| THREAD CLASS:6g | |||||||||||||||||||||||||
| DIMENSIONAL AND SURFACE INSPECTION: / OK | |||||||||||||||||||||||||
| APPEARANCE TREATMENT:bright | |||||||||||||||||||||||||
Test conclusions |
,ISO 261-1998,ASTM B637-2018,. After Inspection , The quality of this product get the ISO 261-1998,ASTM B637-2018 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. |
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Inspectors: Inspect Engineers: Quality inspection seal
Applications:
Due to its impressive strength, durability and corrosion resistance, the Inconel B637 UNS N07718 HexNut and Stud Bolt is a versatile component suitable for a wide range of industrial applications. The key sectors in question are petrochemical, oil and gas, marine, nuclear power, and aerospace. Its high-temperature stability makes it a particularly suitable material for use in heat exchangers, pressure vessels, gas turbine blades and rocket engines, among others.
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