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B.S. X2CrNiMo17-12-3 Details

X2CrNiMo17-12-3 Application:Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Category Type Grade Microstructure Designations
Grades Stainless Steels X2CrNiMo17-12-3 Austenite 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 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
BS EN 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
BS EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
BS EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
BS EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
BS EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
BS EN 10263-5 - Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
BS EN 10272 - Stainless steel bars for pressure purposes
BS EN 10296-2 (2005) - Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(wt.%) of X2CrNiMo17-12-3 grade: BS EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 16.50 18.00
Ni 10.50 13.50
Mo 2.50 3.00
N - 0.11
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Mechanical properties of grade X2CrNiMo17-12-3 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)
442 (≥) 199 (≥) 31 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical properties of grade X2CrNiMo17-12-3 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
719 (≥) 948 (≥) 21 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
191 956 118

X2CrNiMo17-12-3 - 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
X2CrNiMo17-12-3 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4432 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X2CrNiMo17-12-3 ISO International
Stainless steels - Chemical composition
X3CrNiMo17-13-3, 1.4436, X2CrNiMo18-14-3, 1.4435, 1.4432, X2CrNiMo17-12-3 Whole Whole
The products in these steel grades are commonly used in the manufacture of pumps, tanks for chemicals, pipelines and installations, heat exchangers, screws, nuts, special coolers, food, chemical, textile, paper and cryogenic equipment, oil and marine indu

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