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Брокер Option888

Products and Services / Standards & Publications / Standards Products

ASTM B888 / B888M — 19

Standard Specification for Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts

Active Standard ASTM B888 / B888M | Developed by Subcommittee: B05.01

Book of Standards Volume: 02.01

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Historical Version(s) — view previous versions of standard

Work Item(s) — proposed revisions of this standard

This specification establishes the requirements for copper alloy strips for use in the manufacture of electrical connectors or spring contacts produced from one of the following Copper Alloy UNS Nos.: C14530, C15100, C15500, C17000, C17200, C17410, C17450, C17460, C17500, C17510, C19010, C19025, C19210, C19400, C19500, C19700, C23000, C26000, C40810, C40850, C40860, C42200, C42500, C42520, C42600, C50580, C50780, C51000, C51080, C51100, C51180, C51980, C52100, C52180, C52480, C63800, C65400, C68800, C70250, C70260, C70265, C75200, and C76200. The material for manufacture shall be a cast bar, slab, cake, billet, or other form of such composition as to be suitable for processing by either hot- or cold-working to produce the products prescribed in this specification. Products shall be finished by hot working, cold working, annealing, or heat treatment as may be necessary to meet mechanical property requirements, which include tensile strength, yield strength, and elongation. Tempers shall be available in the annealed, rolled, or mill hardened conditions. Products shall also adhere to tolerances as to dimension such as thickness, width, length, straightness, and mass.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1.1 This specification establishes the requirements for copper alloy strip for use in the manufacture of electrical connectors or spring contacts produced from one of the following Copper Alloy UNS Nos.: 2 C14530, C15100, C15500, C17000, C17200, C17410, C17450, C17460, C17500, C17510, C19002, C19010, C19015, C19025, C19210, C19400, C19500, C19700, C23000, C26000, C40810, C40850, C40860, C42200, C42500, C42520, C42600, C50580, C50780, C51000, C51080, C51100, C51180, C51980, C52100, C52180, C52480, C63800, C64725, C65400, C68800, C70250, C70260, C70265, C70310, C70350, C75200, and C76200.

1.2 The requirements for the other copper alloys such as copper-nickel-tin spinodal, UNS C72650, C72700, and C72900, shall be as prescribed in the current edition of Specification B740 .

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

B193 Test Method for Resistivity of Electrical Conductor Materials

B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar

B248M Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar (Metric)

B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast

B740 Specification for Copper-Nickel-Tin Spinodal Alloy Strip

B820 Test Method for Bend Test for Determining the Formability of Copper and Copper Alloy Strip

B846 Terminology for Copper and Copper Alloys

E8/E8M Test Methods for Tension Testing of Metallic Materials

E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes

E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

E75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys

E478 Test Methods for Chemical Analysis of Copper Alloys

E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

ICS Number Code 29.050 (Superconductivity and conducting materials)

Smashbox vs B0XX Megathread

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Smashbox vs B0XX Megathread

Since it seems there’ll be no end to these vlogs, and due to a lot of discussion both on reddit and internally with our mod team, we’ve decided to make a megathread about this.

Many of us were originally against this idea, which is why they were all removed on sight in the past. If you want more information on our thought process up to this point, check out my thread here. There are a few reasons we’re reversing our stance on this somewhat:

There were some good points on the nature of this feud being between companies and not individuals. The argument was that we as mods were overstepping our responsibilities in our attempt to protect individuals from the ire of Reddit.

We’re locking this thread to prevent the common trend of Reddit declaring a «winner» early on and then most people bandwagoning against the «loser.» Reddit is designed to promote visibility of any comment or link that takes an early lead, which means that it’s usually feast or famine for the winner and loser. By locking the comments, we’re doing our best to prevent that. We’re trying to remove as much bias as possible so that you can make your own conclusions.

In that same vein, we now have several videos from both sides. They clearly both want as many people to hear their side as possible, and so we’re giving them a chance to do so with equal exposure. Again, draw your own conclusions.

Anyway, here are the pertinent links, from oldest to newest:

Edit — I forgot to mention this, but if a new vlog or article comes out, please message the mods to let us know and I’ll update it here.

Edit 2 — Added Hax’s twitlonger that just came out.

Option888

Брокер Option888 – это относительно новое имя в торговле бинарными опционами. Однако компания, которая создала его, не просто профессиональна. Она присутствует на финансовых рынках более 20 лет и может похвастаться в этой области не только большим опытом, но и хорошей репутацией.

Так что созданный ими брокер Option888 стремится не просто получить признание, но стать одним из самых влиятельных брокеров мира. И для этого он предоставляет своим клиентам тот уровень сервиса, который может обеспечить ему не только приток новых трейдеров, но и лояльность уже сотрудничающих с ним.
Для этого компания создала не только уникальную и удобную веб платформу, но и торговые условия, которые могут удовлетворить самого требовательного трейдера. Большое количество активов, к которым дается доступ, и разнообразные инструменты, вкупе со скоростью работы платформы, создают отличные условия для проведения сделок. А прибыльность, достигающая 89%, делает эти сделки очень выгодными. При этом минимальная ставка, которую может сделать трейдер, всего 10 USD.
Брокер также предлагает и демо счет, который можно открыть сразу после простой регистрации. Срок действия демо счета не имеет никаких ограничений, и платить за его оформление или администрирование тоже нет нужды. В случае, если трейдер стремится начать торговлю реальными средствами, сумма, требуемая для открытия аккаунта, составит 250 USD.

ТОП-2 брокера бинарных опционов с бонусами за регистрацию:
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