Home Cart Quotation Policy About-Us
www.ChineseStandard.net
Database: 221581 (27 Mar 2026)
SEARCH
Path: Home > YB/T > Page11 > YB/T 5240-2005

YB/T 5240-2005 PDF English

Price & Delivery

US$85.00 · In stock · Download in 9 seconds
YB/T 5240-2005: The glass sealed iron-chromium alloy 4J28
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

YB/T 5240: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
YB/T 5240-200585 Add to Cart Auto, 9 seconds. The glass sealed iron-chromium alloy 4J28 Valid
YB/T 5240-1993199 Add to Cart 2 days Glass sealed iron-chromium alloy 4J28 technical requirement Obsolete

Click to Preview this PDF

YB/T 5240-2005: The glass sealed iron-chromium alloy 4J28

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YBT5240-2005
YB FERROUS METALLURGY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.99 H 58 YB/T 5231-2005 YB/T 5233-2005 YB/T 5235 ~ 5241-2005 Replacing YB/T 5231 ~ 5241-1993 Alloy with expansion ISSUED ON: JULY 26, 2005 IMPLEMENTED ON: DECEMBER 01, 2005 Issued by: National Development and Reform Commission of PRC

Table of Contents

Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Order contents ... 4 4 Classification and code ... 5 5 Sizes, shapes, tolerances ... 5 6 Technical requirements ... 5 7 Test method ... 7 8 Inspection rules ... 7 9 Packaging, marking, quality certificate ... 7 Appendix A (Informative) Typical expansion coefficient of alloy ... 8 The glass sealed iron-chromium alloy 4J28

1 Scope

This standard specifies the size, shape, technical requirements, test methods, inspection rules, packaging, marks, quality certificates of glass sealed iron-chromium alloy 4J28. This standard applies to iron-chromium alloys that are matched and sealed by soft glass on electrical components.

2 Normative references

The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 14985 General rules of dimensions shape surface quality testing method and inspection for expansion alloys

3 Order contents

The contract or order according to this standard shall include the following contents: a) Standard number; b) Product name; c) Trademark or unified digital code; d) Weight (or quantity) of the delivery; e) Size and shape; f) Processing method; g) Delivery status and performance; h) Special requirements. 6.3.3 Flat products are delivered in hot-rolled state. 6.3.4 Strips, wires, pipes are delivered in either soft state (S) or hard state (H). 6.4 Hardness Soft strip hardness HV shall not exceed 170. For the strips with a thickness less than 0.2 mm, they are exempted from hardness inspection. 6.5 Physical properties The average linear expansion coefficient of the alloy shall meet the requirements in Table 2. 6.6 Phase change After the alloy is treated by the heat treatment system specified in Table 2, martensite shall not appear, but austenite is allowed. 6.7 Grain size The grain size of the soft strip shall not be less than grade 6; the grain size smaller than grade 6 shall not exceed 10% of the area. For strips with a thickness less than 0.13 mm, when estimating the average grain size, the number of grains along the thickness direction of the strip shall not be less than 6. 6.8 Airtightness When the rods, which have diameter or side length not less than 15 mm, are tested for air tightness, there shall be no air leakage. 6.9 Process performance After proper heat treatment, the deep-drawn or hard-state strip shall have good deep- drawing properties; lugs are not allowed to appear during deep-drawing. 6.10 Surface quality The surface quality of alloy materials shall comply with the relevant provisions of GB/T 14985. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of English version of YB/T 5240-2005 be delivered?Answer: The full copy PDF of English version of YB/T 5240-2005 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of YB/T 5240-2005_English with my colleagues?Answer: Yes. The purchased PDF of YB/T 5240-2005_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- YB/T 5240-2005 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

Question 5: Should I purchase the latest version YB/T 5240-2005?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YB/T 5240-2005 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

How to buy and download a true PDF of English version of YB/T 5240-2005?

A step-by-step guide to download PDF of YB/T 5240-2005_EnglishStep 1: Visit website ChineseStandard.net (Pay in USD), or ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "YB/T 5240-2005".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 And 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe Or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment Is completed And in 9 seconds, you will receive 2 emails attached with the purchased PDFs And PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs And invoice.
Refund Policy Privacy Policy Terms of Service