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QCInspection and testing

Material verification · in-process checks · final inspection

Material verification, in-process checks and final inspection records are archived with the part. Ultrasonic, hardness, tensile and impact tests cover every critical point from raw material to finished part.

Inspector checking a shaft with a portable hardness tester
Hardness testing a shaft · Linyao laboratory

Equipment list

From goods-in to dispatch, test data travels with the part; English reports are available for export orders.

Test items and acceptance criteria follow the drawing and the customer standard; special tests can be agreed in advance.

  1. Inspector using an ultrasonic flaw detector on a forged shaft
    01

    Ultrasonic flaw detector

    forgings · weld defects

    Detects cracks, slag and porosity inside forgings, welds and large parts for material verification and in-process checks.

  2. Portable hardness tester checking a shaft
    02

    Hardness tester

    raw material · heat-treatment hardness

    Checks surface and core hardness of raw material and heat-treated parts, verifying hardening and tempering results.

  3. Tensile testing machine running a material test
    Tensile test specimen clamped in the machine
    03

    Tensile testing machine

    tensile · yield · elongation

    Measures tensile strength, yield strength and elongation, supplying data for material verification and export reports.

  4. Impact testing machine measuring material toughness
    04

    Impact testing machine

    impact toughness · dynamic load

    Measures toughness under impact load, assessing reliability in low-temperature or dynamic service.

  5. Impact notch projector measuring a specimen notch
    05

    Impact notch projector

    specimen notch dimensions

    Measures the notch dimensions of impact specimens, keeping specimens consistent so results stay comparable.

  6. Linyao material laboratory
    Test data terminal and archived reports
    06

    Laboratory

    material verification · metallography · mechanical tests

    Handles material verification, metallography and mechanical tests; records are archived with the part and English reports are available on request.

Need us to confirm fixturing and operations against your drawing? Send the part size, material and quantity; we will review the process against the machines we have.

Contact us
LINYAO

Luoyang Linyao Machinery Technology Co., Ltd.
No. 56 Factory, South Exit of Shuangxiang Road, Luoyang, Henan, China

© 2026 Luoyang Linyao Machinery Technology Co., Ltd. · All rights reserved

Parts are supplied to drawing and contract · Site content is updated regularly

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