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B.S. LWCF22 Details
B.S. LWCF22 Standard Download
Category | Type | Grade | Designations |
---|---|---|---|
Grades | Stainless Steels | LWCF22 | UK - B.S. , BS 6323-8 - Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.03 | ||
Si | - | 1.00 | ||
Mn | - | 2.00 | ||
P | - | 0.045 | ||
S | - | 0.030 | ||
Cr | 16.50 | 18.50 | ||
Ni | 11.50 | 14.50 | ||
Mo | 2.50 | 3.00 |
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) |
---|---|---|---|---|---|---|
144 (≥) | 482 (≥) | 14 | 42 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
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 |
---|---|---|---|---|---|---|---|
786 (≥) | 491 (≥) | 13 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
478 | 522 | 477 |
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 |
---|---|---|---|
LW22 | B.S. | UK | Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes |
LWCF22 | B.S. | UK | Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes |
316S13 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
CFS 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
HFM 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
HFS 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
LW 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
LWCF 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
LWHT 316S13 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |