ASTM T4 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | T4 | ASTM | USA |
Chemical composition % of the ladle analysis of grade T4
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) | Co(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.70～0.80 | 0.20～0.40 | 0.10～0.40 | ≤0.030 | ≤0.030 | 3.75～4.50 | 0.40～1.00 | 0.80～1.20 | 17.5～19.0 | 4.25～5.75 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 542 (≥) | 871 (≥) | 14 | 24 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 723 (≥) | 523 (≥) | 42 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 649 | 496 | 619 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 268 S44300 | ASTM | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| S44300 | ASTM | USA | Ferritic Chromium Copper Heat Resisting Steel |
| SA-1008 BHS Grade 44[300] | ASTM | USA | Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy With Improved Formability |
| SA-1008 SHS Grade 44[300] | ASTM | USA | Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy With Improved Formability |
| SA-268 S44300 | ASTM | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| T41901 | ASTM | USA | Shock-Resisting Tool Steel |
| T41902 | ASTM | USA | Shock-Resisting Tool Steel |
| T41904 | ASTM | USA | Shock-Resisting Tool Steel |
| T41905 | ASTM | USA | Shock-Resisting Tool Steel |
| T41906 | ASTM | USA | Shock-Resisting Tool Steel |
| T41907 | ASTM | USA | Shock-Resisting Tool Steel |
| T4 | ASTM | USA | High-Speed Tool Steel |
| Stellite T40 | ASTM | USA | Stellite alloy |
Relevant products
T4 Equivalent Grade Stock
| Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
|---|---|---|---|---|---|---|
| T45Cr5Si3 Round Bar | Dia.40mm | Round Bar | Kgs | 500 | Hot-Rolled+Annealed+black | Enquiry |
| 1.2714 Hot-Work Mould Steel Flat Bar Stock(2019-09-03) | Select | 0 | Select | Enquiry | ||
| 1.2714 Stock list 2020-06-15 | Select | 0 | Select | Enquiry | ||
| 1.2714 QT Bar Stock List 2020-06-15 | Select | 0 | Select | Enquiry |