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B.S. 303S22 Details
B.S. 303S22 Standard Download
303S22 Application:Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
Category | Type | Grade | Designations |
---|---|---|---|
Grades | Stainless Steels | 303S22 | 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 |
Chemical composition(wt.%) of 303S22 grade: BS 1506
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.12 | ||
Si | - | 1.00 | ||
Mn | - | 2.00 | ||
P | - | 0.060 | ||
S | 0.15 | 0.35 | ||
Cr | 17.00 | 19.00 | ||
Mo | - | 0.70 | ||
Ni | 8.00 | 10.00 |
Mechanical properties of grade 303S22 BS 1506
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) |
---|---|---|---|---|---|---|
648 (≥) | 159 (≥) | 13 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
Physical properties of grade 303S22 BS 1506
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 |
---|---|---|---|---|---|---|---|
569 (≥) | 692 (≥) | 13 | 14 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
348 | 422 | 257 |
303S22 - 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 |
---|---|---|---|
303S22 | B.S. | UK | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
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