Standards Comparison Reports

1

GB/T 4802.1

This report covers GB/T 4802.1-2008, the Chinese test method for fabric pilling resistance via the circular locus method (圆轨迹法). Both the Chinese standard and its closest international analogues are TIER 2 test method…

🟡 MEDIUM 🕒 2026-09-09 21:45:00 ✅ Draft ✅ Audit ✅ Report

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2

GB/T 2802

Query "GB/T 2802" is an invalid standard number — no such Chinese national standard exists. Both AI drafts correctly flagged this as unresolvable. The verified official standard is **GB/T 28029.14-2026** (轨道交通电子设备 列车通…

🔴 LOW 🕒 2026-09-09 21:42:14 ✅ Draft ✅ Audit ✅ Report

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3

GB/T10433

This report covers GB/T 10433-2024 (紧固件 电弧螺柱焊用螺柱和瓷环 — Fasteners: studs and ceramic ferrules for arc stud welding), the mandatory-updated Chinese product standard for shear studs in composite steel-concrete structures.…

🟡 MEDIUM 🕒 2026-09-08 19:19:30 ✅ Draft ✅ Audit ✅ Report

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4

ISO 3506-1

This report compares ISO 3506-1:2020 (stainless steel bolts, screws, studs) against its Chinese adoption GB/T 3098.6-2023. Both are TIER 1 product standards with MOD equivalence — property class system and steel grade…

🟡 MEDIUM 🕒 2026-09-07 11:32:48 ✅ Draft ✅ Audit ✅ Report

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5

GB/T 14576

This report covers GB/T 14576-2009, the Chinese test method for combined colour fastness to light and perspiration (耐光、汗复合色牢度), compared against ISO 105-B07:2009. Both are TIER 2 test method standards with no tier mis…

🟡 MEDIUM 🕒 2026-08-27 20:11:19 ✅ Draft ✅ Audit ✅ Report

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6

GB/T 3921

This report covers GB/T 3921-2008 (纺织品 色牢度试验 耐皂洗色牢度 — Textiles: Tests for colour fastness — Colour fastness to washing with soap or soap and soda), a TIER 2 test method standard. It is a modified adoption (MOD) of ISO…

🟢 HIGH 🕒 2026-08-27 19:43:55 ✅ Draft ✅ Audit ✅ Report

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7

GB/T 31127

This report covers GB/T 31127-2014, a TIER 2 field test method for installed building exterior windows/doors (建筑外门窗气密、水密、抗风压性能现场检测方法). The standard is current and has no direct international equivalent — field testing…

🟡 MEDIUM 🕒 2026-08-27 19:40:48 ✅ Draft ✅ Audit ✅ Report

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8

GB/T 5208

This report covers flash point determination (闪点测定) for paints, varnishes, petroleum and related products via the rapid equilibrium closed cup method. GB/T 5208-2008 is a MOD (Modified) adoption of ISO 3679:2004, with…

🟡 MEDIUM 🕒 2026-08-27 10:27:50 ✅ Draft ✅ Audit ✅ Report

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9

GB 12021.2

This report covers GB 12021.2-2025 (家用电冰箱耗电量限定值及能效等级 — Household refrigerators: energy consumption limits and energy efficiency grades), a mandatory Chinese energy-efficiency standard. The standard is structurally ali…

🟡 MEDIUM 🕒 2026-08-13 16:49:25 ✅ Draft ✅ Audit ✅ Report

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10

ISO 26000

This report covers ISO 26000:2010 (社会责任指南, Guidance on Social Responsibility) and its Chinese adoption GB/T 36000-2015, a guidance/management system standard family — not a product or test standard. The Chinese adopti…

🟢 HIGH 🕒 2026-08-13 16:04:32 ✅ Draft ✅ Audit ✅ Report

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11

GB/T 26945-2023

This report covers GB/T 26945-2023, 建筑用金属面绝热夹芯板 (Metal-faced sandwich panels for building insulation), a TIER 1 product standard. The Chinese standard is MOD (Modified) relative to EN 14509:2013, with key deviations i…

🟡 MEDIUM 🕒 2026-08-10 23:09:57 ✅ Draft ✅ Audit ✅ Report

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12

EN 14683

This report compares EN 14683:2019+AC:2019 (medical face masks) against the Chinese medical mask standard ecosystem. Equivalence is partial: EN Type II/IIR aligns closest with YY 0469-2011 (surgical masks), while GB 1…

🟡 MEDIUM 🕒 2026-08-06 19:34:48 ✅ Draft ✅ Audit ✅ Report

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13

22081-2016

This report covers GB/T 22081-2024 (网络安全技术 信息安全控制, Cybersecurity technology — Information security controls), the current Chinese national standard for information security control implementation, which supersedes GB/…

🟢 HIGH 🕒 2026-07-31 13:39:51 ✅ Draft ✅ Audit ✅ Report

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14

AWS D1.1 vs GB 50661

This report compares AWS D1.1/D1.1M:2020 (US) and GB 50661-2011 (China) for structural steel welding. Overall equivalence is NEQ (Not Equivalent) due to differing acceptance criteria, welder qualification test plates,…

🟡 MEDIUM 🕒 2026-07-30 15:06:24 ✅ Draft ✅ Audit ✅ Report

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15

GB /T9444

This report covers magnetic particle testing (MT) for ferromagnetic steel castings. GB/T 9444-2019 is MOD relative to ISO 4986:2020, with key differences in acceptance criteria and equipment calibration. Procurement i…

🟢 HIGH 🕒 2026-07-24 15:26:14 ✅ Draft ✅ Audit ✅ Report

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16

astm A 388

This report compares ASTM A388/A388M-19 (ultrasonic examination of steel forgings) with Chinese equivalents GB/T 6402-2024 and NB/T 47013.3-2015. Both Chinese standards are TIER 2 test methods, but they are NEQ (not e…

🟡 MEDIUM 🕒 2026-07-24 15:16:51 ✅ Draft ✅ Audit ✅ Report

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17

GB/T7233

This report covers GB/T 7233 series for ultrasonic testing of steel plates and strips. The Chinese standards are MOD (modified) relative to international counterparts, with key differences in couplant specifications a…

🔴 LOW 🕒 2026-07-24 15:14:11 ✅ Draft ✅ Audit ✅ Report

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18

GB T9444

This report compares GB/T 9444-2019 (铸钢铸铁件 磁粉检测, Magnetic particle testing for steel castings and iron castings) with ISO 4986:2020 (Steel castings — Magnetic particle testing). Both are TIER 2 test method standards w…

🟡 MEDIUM 🕒 2026-07-22 14:13:43 ✅ Draft ✅ Audit ✅ Report

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19

ASTM A275

This report compares ASTM A275/A275M (Magnetic Particle Examination of Steel Forgings) against Chinese equivalent standards. No single Chinese standard directly matches ASTM A275; closest equivalents are GB/T 9443-201…

🟡 MEDIUM 🕒 2026-07-22 14:10:27 ✅ Draft ✅ Audit ✅ Report

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20

ASTM A609

This report compares Chinese standards for steel castings against ASTM A609/A609M (withdrawn 2015, no replacement). The Chinese equivalent is GB/T 12230-2005 (alloy steel castings for pressure vessels) and GB/T 12228-…

🟡 MEDIUM 🕒 2026-07-22 12:42:52 ✅ Draft ✅ Audit ✅ Report

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