GB/T 7997-1987Hardmetals--Vickers hardness test (English PDF)
硬质合金维氏硬度试验方法
GB/T 7997 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 7997-2026 | Hardmetals - Vickers hardness test | Valid |
| GB/T 7997-2014 | Hard metals - Vickers hardness test | Obsolete |
| GB/T 7997-1987 | Hardmetals--Vickers hardness test | Obsolete |
GB/T 7997-1987 is obsolete. It has been replaced by GB/T 7997-2014. This page sells the obsolete edition, for projects and contracts that still cite it.
This is a limited preview
Buy now to download the full PDF
Need quotation for your management?
Get a formal quotation for GB/T 7997-1987 in 30 minutes.
Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
January 26, 1987
Implementation date
March 1, 1988
Scope
GB/T 7997-1987 is the English-translated version of 硬质合金维氏硬度试验方法.
GB/T 7997-1987 is the Chinese national standard "Hardmetals--Vickers hardness test". It was issued on January 26, 1987 by the National Bureau of Standards, and took effect on March 1, 1988. It is obsolete: it has been replaced by GB/T 7997-2014.
Found what you need?
Document preview — GB/T 7997-1987
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1987-01-26.
Date of implementation: 1988-03-01.
Status: obsolete, replaced by GB/T 7997-2014.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 18955-2025Safety of woodworking tools - Milling tools,circular saw blades
- GB/T 46324-2025Cemented carbide products for ultra precision optical dies
- GB/T 43505-2023Ceramic lined tubing
- GB/T 6885-2020Hard metals - Sampling and testing method of mixed powders
- GB/T 37782-2019Metallic materials - Indentation test - Determination of strength, hardness and stress-strain curve
- JB/T 12613-2016Inspection methods for properties of ceramic cutting tool materials
How to Download GB/T 7997-1987
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 10003-2026 — Biaxially oriented polypropylene (BOPP) film
GB/T 10004-2026 — Plastic/Plastic laminated films and pouches for packaging
GB/T 10007-2026 — Rigid cellular plastics - Determination of shear properties
Secure payment via Stripe
Payments accepted
GB/T 7997-1987
$300.00