GB/T 228.1-2021 — Metallic Materials Tensile Testing (Room Temperature)

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GB/T 228.1 is the current Chinese national test method for determining tensile properties of metallic materials at room temperature. It is the GB/T counterpart of the international room-temperature tensile method and is cited for Chinese compliance. To set up GB/T 228.1 testing or specify a machine for the Chinese market, talk with our team.

What GB/T 228.1 Covers

The method defines how metals are pulled in uniaxial tension at room temperature and which properties are determined from the recorded force and extension. It aligns closely with the international scheme, including strain-rate-controlled testing.

Properties Reported

Proof strength (such as Rp0.2), upper and lower yield where present, ultimate tensile strength, elongation, and reduction of area.

Preparing Specimens

Specimen dimensions follow the applicable Chinese specimen requirements; clean, accurate coupons keep results comparable. To configure a GB/T 228.1 tensile system, request a quote.

Reading the Designation

Cited as GB/T 228.1-YYYY. Confirm the edition before finalizing fixtures and reporting.

Related Standards

ISO 6892-1 is the international equivalent, and ASTM E8/E8M is the ASTM room-temperature method.

Request a Quote

Setting up GB/T 228.1 tensile testing? Request a quote and our team will help you build a system matched to your specimen type and force range.

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Configure your GB/T 228.1 setup with TensileMill CNC

TensileMill CNC designs and builds the systems labs use for standards-based mechanical testing. For this work we supply universal testing machines, wedge or pneumatic grips, and flat and round specimen-preparation systems. Share your material mix and throughput, and we will recommend a setup that fits GB/T 228.1.