T800 material reference
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T800 · GB/T 24242.2-2020
Chemical-composition source verified. Properties and delivery conditions follow the sources and conditions stated here; actual supply and measured heat results are not verified by this reference.
- Material category
- Carbon steels
- Product form
- Wire rod
- Standard edition
- GB/T 24242.2-2020
- Table / clause
- Table C.1, C.2
- Source file
- GB_T 24242.2-2020.pdf
- PDF page
- 10
- Units
- Mass fraction (wt%)
- Analysis type
- Cast analysis
Composition
| Element | Composition requirement |
|---|---|
| Si | 0.1 ～ 0.3 |
| Mn | 0.5 ～ 0.8 |
| P | ≤ 0.03 (lower limit not stated) |
| S | ≤ 0.03 (lower limit not stated) |
Applicability and limitations
Annex C designations are based on tensile strength. The supplier determines C, Cr, Ni, Cu, Mo and Al to meet strength requirements; the standard gives no numerical limits. Carbon content cannot be inferred from the grade designation. Take specimens from 5 different coils per batch; tensile strength shall meet Table C.1. Intermediate grades require agreement between supplier and purchaser. Cast analysis; composition is expressed as mass fraction, %. An unspecified lower limit is not zero. Delivery condition, dimensions, surface, packaging and acceptance shall follow GB/T 24242.1—2020 and the order.
Composition and ordering conditions
- Annex C designations are based on tensile strength. The supplier determines C, Cr, Ni, Cu, Mo and Al to meet strength requirements; the standard gives no numerical limits. Carbon content cannot be inferred from the grade designation.
- Take specimens from 5 different coils per batch; tensile strength shall meet Table C.1. Intermediate grades require agreement between supplier and purchaser.
- Cast analysis; composition is expressed as mass fraction, %. An unspecified lower limit is not zero.
- Delivery condition, dimensions, surface, packaging and acceptance shall follow GB/T 24242.1—2020 and the order.
Mechanical properties and delivery condition
| Property | Standard requirements and applicable conditions |
|---|---|
| Tensile strength Rm / MPa | 700～900 |
Mechanical-property provenance：GB/T 24242.2-2020 · Table C.1, C.2 · PDF page 10, Annex C
Verification notes
Checked against the standard text and table notes supplied by the user. Applicability to a specific order requires separate confirmation.
Related catalog and standard references
View standard reference information →
A reference link does not confirm supply or interchangeability. Specific requirements need technical confirmation.