GB/T Recommended National Standards

Non-destructive testing of steel pipes—Automatic ultrasonic testing for weld seam imperfections of thick-wall welded steel pipes

Issued

2026-05-25

Effective

2026-12-01

Chemical analysis methods for rare earth residue and waste water—Part 7: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrometry

Issued

2026-05-25

Effective

2026-12-01

General technical requirements of indoor thermostats

Issued

2026-05-25

Effective

2026-12-01

Cybersecurity technology—Evaluation framework for information systems security assurance—Part 2： Security assurance requirements

Issued

2026-05-25

Effective

2026-12-01

Metallic materials—Determination of modulus of elasticity and Poisson's ratio

Issued

2026-05-25

Effective

2026-12-01

Maintainability design requirements for manned spacecraft flight products

Issued

2026-05-25

Effective

2026-12-01

Method of dose estimation for chronic radiation sickness from external exposure

Issued

2026-05-25

Effective

2026-12-01

Digital addressable lighting interface—Part 202: Particular requirements for control gear—Self-contained emergency lighting (device type 1)

Issued

2026-05-25

Effective

2026-12-01

Paper and board—Determination of pore diameter

Issued

2026-05-25

Effective

2026-12-01