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B.S. 1.4313 Details
B.S. 1.4313 Standard Download
1.4313 Application:Stainless steel bars for pressure purposes
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 1.4313 | Martensite | UK - B.S. , BS EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels BS EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes BS EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes BS EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels BS EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels BS EN 10272 - Stainless steel bars for pressure purposes |
Chemical composition(wt.%) of 1.4313 grade: BS EN 10028-7
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.05 | ||
| Si | - | 0.70 | ||
| Mn | - | 1.50 | ||
| P | - | 0.04 | ||
| S | - | 0.015 | ||
| Cr | 12.00 | 14.00 | ||
| Ni | 3.50 | 4.50 | ||
| Mo | 0.30 | 0.70 | ||
| N | 0.020 | - |
Mechanical properties of grade 1.4313 BS EN 10028-7
| 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) |
|---|---|---|---|---|---|---|
| 793 (≥) | 577 (≥) | 21 | 32 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
Physical properties of grade 1.4313 BS EN 10028-7
| 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 |
|---|---|---|---|---|---|---|---|
| 587 (≥) | 512 (≥) | 43 | 41 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 526 | 856 | 138 |
1.4313 - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| X3CrNiMo13-4 | B.S. | UK | Stainless steel bars for pressure purposes |
| 1.4313 | B.S. | UK | Stainless steel bars for pressure purposes |
| X3CrNiMo13-4 | AFNOR | France | Stainless steel bars for pressure purposes |
| 1.4313 | AFNOR | France | Stainless steel bars for pressure purposes |
| X3CrNiMo13-4 | ISO | International | Stainless steels - Chemical composition |
| X3CrNi13-4 | DIN | Germany | Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery |
| 1.4313 | DIN | Germany | Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery |
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