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Flange Stud Bolts, Nuts and Washer
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ASTM A354 – Portland Bolt
Grade BD bolts are higher in strength than grade BC, and equal in strength to ASTM F3125 grade A490 bolts. Unlike A490 however, the A354 …
Source: www.portlandbolt.com
Date Published: 7/25/2021
View: 7595
ASTM A354 – Wikipedia
ASTM A354 is an ASTM International standard that defines chemical and mechanical properties for alloy steel bolts, screws, studs, and other externally …
Source: en.wikipedia.org
Date Published: 9/16/2021
View: 9532
ASTM A354 Grade BD – Equivalent Materials
There are 70 equivalent materials for ASTM A354 Grade BD Carbon Steel. See the equivalents for ASTM, DIN, AFNOR, BS, AISI, SAE, EN, ISO, GB, GB/T, UNS, …
Source: equivalentmaterials.com
Date Published: 12/24/2021
View: 5107
ASTM A354 Grade BD Bolts Suppliers, Manufacturers India
A354 BD should be consered for anchor bolts, threaded rods, other s of headed bolts, and bolts larger than 1-1/2″. Grade BD bolts are higher in strength …
Source: alloy-fasteners.com
Date Published: 7/17/2022
View: 4322
ASTM A354 Grade BD Quenched and Tempered – Matmatch
See the chemical composition and physical properties of ASTM A354 Grade BD Quenched and Tempered, find alternative materials, and connect with suppliers.
Source: matmatch.com
Date Published: 11/22/2021
View: 8523
4.5 x 8″ ASTM A354 Grade BD Plain Finish Hex Bolt – Fastenal
Used in applications at normal atmospheric temperatures, where high strength is required. A354 Grade BD is typically used when a Grade 8 is needed in sizes …
Source: www.fastenal.com
Date Published: 4/24/2022
View: 2438
ASTM A354 Fasteners | A354 Grade bd bolts/ Threaded Rod
The ASTM A354 specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded …
Source: www.duplexfastener.com
Date Published: 11/28/2021
View: 9794
ASTM A354 Grade Bd All Thread Rods – STS Industrial
ASTM A354 Grade BD all thread rod is equivalent in strength to SAE J429 Grade 8. It is manufactured from alloy steel, quenched and tempered.
Source: www.stsindustrial.com
Date Published: 10/28/2021
View: 4763
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주제에 대한 기사 평가 astm a354 bd
- Author: JAS TECH-Piping Solution
- Views: 조회수 738회
- Likes: 좋아요 19개
- Date Published: 2022. 4. 9.
- Video Url link: https://www.youtube.com/watch?v=jydWpCxSwCo
» ASTM A354
BD
Grade BD bolts are higher in strength than grade BC, and equal in strength to ASTM F3125 grade A490 bolts. Unlike A490 however, the A354 standard is unrestricted in its configuration. Also, since A490 bolts are for structural use and do not exceed 1-1/2” in diameter, A354 grade BD should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2” diameter where similar mechanical properties are desired. A354 grade BD does not require a magnetic particle test like A490, except when called out as a supplemental requirement.
ASTM A354
ASTM A354 is an ASTM International standard that defines chemical and mechanical properties for alloy steel bolts, screws, studs, and other externally threaded fasteners. It is officially titled: Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners.[1]
This is a standard set by the standards organization ASTM International, a voluntary standards development organizations that sets technical standards for materials, products, systems, and services.
Mechanical properties [ edit ]
This standard defines the properties for fasteners up to 4 inches in diameter. They are not to be used in applications where they are tensioned to more than 50% of their tensile strength. In those applications structural heavy hex bolts are to be used, as defined by ASTM A490, even though they have the same strength.[1][2]
Head markings and mechanical properties[3] Head marking Grade Nominal size range [in] Proof strength [ksi] Yield strength (min) [ksi] Tensile strength (min) [ksi] Core hardness [Rockwell] Grade BC
1 ⁄ 4 –2- 1 ⁄ 2 (inc.) 105 109 125 C26–36 2- 1 ⁄ 2 –4 95 99 115 C22–33
Grade BD 1 ⁄ 4 –2- 1 ⁄ 2 (inc.) 120 130 150 C33–39 2- 1 ⁄ 2 –4 105 115 140 C31–39
Recommended nuts [ edit ]
The standard also specifies what nuts are recommended for use with the defined fasteners. Note that nuts of a greater strength can also be used.[1]
Fastener grade & surface finish Nut grade & style BC; plain or a coating of insufficient thickness to require over-tapped nuts C; heavy hex BC; zinc-coated or a coating that requires over-tapped nuts DH; heavy hex BD; all finishes DH; heavy hex
ASTM A354 Grade BD
Equivalent Materials to ASTM A354 Grade BD
Some equivalent materials may be stricter whereas others may be outside the bounds of the original material in selected parameters.
ASTM A354 Grade BD Bolts Suppliers, Manufacturers India
BD
A354 BD should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2″. Grade BD bolts are higher in strength than A354 grade BC and equal in strength to ASTM A490 bolts. Unlike ASTM A490 however, the A354 BD specification is unrestricted in its configuration.
ASTM A354 Grade BD Quenched and Tempered
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ASTM A354 Fasteners
A354 Threaded Rod Manufacturer in India
The ASTM A354 specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners 4″ and under in diameter.
Two strength levels, grade BC and grade BD, are summarized in the chart below. This specification is unrestricted in its configuration and can be a headed bolt, bent bolt, or threaded rod.
Grades
A354 BD A354 grade BD bolts are higher in strength than A354 grade BC and equal in strength to ASTM A490 bolts. Unlike ASTM A490 however, the A354 BD specification is unrestricted in its configuration. Since A490 bolts are heavy hex structural bolts and do not exceed 1-1/2″ diameter, specification A354 BD should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2″ diameter where similar mechanical properties are desired. A354 grade BD does not require a magnetic particle test as is required by the A490 specification. Research conducted on bolts of similar material and manufacture indicates that hydrogen-stress cracking or stress cracking corrosion may occur on hot-dip galvanized Grade BD bolts. A354 BC Lower in strength than grade BD.
Mechanical Properties
Grade Size Tensile, ksi, min Yield, ksi, min Elong %, min RA %, min BC 1/4 – 2-1/2 125 109 16 50 2-5/8 – 4 115 99 16 45 BD 1/4 – 2-1/2 150 130 14 40 2-5/8 – 4 140 115 14 40
Chemical Properties
Element Sizes 1/4 to 1-1/2 Sizes above 1-1/2 Carbon 0.30 – 0.53% 0.35 – 0.53% Phosphorus, max 0.035% 0.035% Sulfur, max 0.040% 0.05%
Recommended Nuts and Washers
ASTM A354 Grade Bd All Thread Rods
A354 BD/Grade 8 All Thread Rod
ASTM A354 Grade BD all thread rod is equivalent in strength to SAE J429 Grade 8. It is manufactured from alloy steel, quenched and tempered. Dimensional specifications are governed by ASME B18.31.3. ASTM A354 specifications covers fasteners for applications at normal temperatures, where high strength is required. Also for limited application at elevated temperatures.
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