B.S. 1.4122

Grades | Stainless Steels | 1.4122

B.S. 1.4122 ( Martensite )

PDF | Word | Print

1.4122 Application: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

Chemical composition(mass fraction)(wt.%) of the 1.4122
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.33 0.45
Si - 1.00
Mn - 1.50
P - 0.04
S - 0.015
Cr 15.50 17.50
Ni - 1.00
Mo 0.80 1.30

Mechanical properties of grade 1.4122

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
233 (≥) 548 (≥) 41 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade 1.4122

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
986 (≥) 978 (≥) 14 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
995 423 951 - - -

1.4122 Range of products
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