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B.S. 410S21 770 Details
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
B.S. 410S21 770 Standard Download
410S21 770 Datasheet
B.S. 410S21 770| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | 410S21 770 | UK - B.S. , BS 1506 - Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.09 | 0.15 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 11.50 | 13.50 | ||
| Mo | - | - | ||
| Ni | - | 1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 229 (≥) | 754 (≥) | 34 | 22 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
| 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 |
|---|---|---|---|---|---|---|---|
| 851 (≥) | 557 (≥) | 11 | 41 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 757 | 976 | 248 |
| 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 |
|---|---|---|---|
| 410S21 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| 410S21 690 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| 410S21 720 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| 410S21 750 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| 410S21 760 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| 410S21 770 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |