GO / CRGO grade datasheet
Grades, thicknesses, core loss and induction values for grain-oriented electrical steel — with standard dimensions, tolerances and typical mechanical properties.
Download opens once the document is approved and uploaded in the admin panel.
Nine sections, one reference sheet
The datasheet collects the values buyers and engineers check when specifying grain-oriented steel. Sections marked “to be supplied” are part of the outline but have no approved content yet.
- 01Grade designationHow the grade code encodes thickness, type and maximum core loss.Reference available
- 02Grade table — core loss & inductionEleven grades across conventional, high-induction and domain-refined types.Reference available
- 03Standard dimensionsThickness, width, coil inside diameter and density.Reference available
- 04Dimensional & shape tolerancesThickness, width, flatness and camber.Reference available
- 05Typical mechanical propertiesTensile and yield strength, elongation, hardness, lamination factor.Reference available
- 06Insulating coatingCoating types and their properties.To be supplied
- 07Stress-relief annealingGuidance for annealing after cutting and forming.To be supplied
- 08Packing & labellingCoil packing and label information.To be supplied
- 09Test basis & unitsTest standards referenced and unit conventions.Reference available
The data in this datasheet
Section 02
Grade table — core loss & induction
| Grade | Type | Thickness mm | Max core loss P1.7/50 W/kg | Min induction B8 T | Test basis |
|---|---|---|---|---|---|
| B23G110 | GConventional | 0.23 | 1.10 | 1.80 | GB/T 3655-2008 |
| B27G120 | GConventional | 0.27 | 1.20 | 1.80 | GB/T 3655-2008 |
| B30G120 | GConventional | 0.30 | 1.20 | 1.80 | GB/T 3655-2008 |
| B30G130 | GConventional | 0.30 | 1.30 | 1.80 | GB/T 3655-2008 |
| B35G135 | GConventional | 0.35 | 1.35 | 1.80 | GB/T 3655-2008 |
| B23P090 | PHigh induction | 0.23 | 0.90 | 1.87 | GB/T 3655-2008 |
| B27P095 | PHigh induction | 0.27 | 0.95 | 1.88 | GB/T 3655-2008 |
| B30P105 | PHigh induction | 0.30 | 1.05 | 1.88 | GB/T 3655-2008 |
| B35P125 | PHigh induction | 0.35 | 1.25 | 1.88 | GB/T 3655-2008 |
| B23R080 | RDomain-refined HI | 0.23 | 0.80 | 1.87 | GB/T 13789-2008 |
| B27R090 | RDomain-refined HI | 0.27 | 0.90 | 1.87 | GB/T 13789-2008 |
Sections 03 – 04
Dimensions & tolerances
- Thickness tolerance
- ±0.02 mm (0.23) · ±0.03 mm
- Width tolerance
- 0 ~ +2 mm (untrimmed 0 ~ +5)
- Flatness
- ≤ 1.5 %
- Camber
- ≤ 1.0 mm per 2 m
Section 05
Typical mechanical properties
| Property | 0.23 mm | 0.27 mm | 0.30 mm | 0.35 mm |
|---|---|---|---|---|
| Tensile strength MPa | 352 | 358 | 361 | 364 |
| Yield strength MPa | 330 | 333 | 336 | 340 |
| Elongation % | 12 | 12 | 13 | 13 |
| Hardness HV1 | 200 | 204 | 205 | 206 |
| Lamination factor % | 96.5 | 97.0 | 97.5 | 98.0 |
Test basis: GB/T 3655-2008 (G, P) · GB/T 13789-2008 (R). All values on this page are reference data from the Baosteel GO technical manual, shown for layout and pending approval.
Always the current edition
When a new version is uploaded, this page keeps the same address and lists earlier editions. Each language version is managed and approved separately.
| Language | Version | Updated | Status | Action |
|---|---|---|---|---|
| English | — | — | Approval required | Request document |
Products & documents
Products this document covers
Related documents
Get the datasheet by email.
Tell us who you are and how you will use it. Until the document is approved for download, requests are answered by our team from info@1quantum.co.
- 01Send the requestName, company and work email.
- 02Our team reviews itIncluding whether the reference data may be shared.
- 03Document by emailOr a direct download link once approved.