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AWS 1.4439 Details

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1.4439 Application:Stainless steels - Technical delivery conditions for drawn wire

Category Type Grade Designations
Grades Stainless Steels 1.4439 Germany - AWS , DIN 17440 (1996) - Stainless steels - Technical delivery conditions for drawn wire
DIN 17441 (1997) - Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
DIN 17455 (1985) - Welded circular tubes of stainless steels for general requirements; technical delivery conditions
DIN 17456 (1985) - Seamless circular tubes of stainless steels for general requirements; technical delivery conditions
DIN 17457 (1985) - Welded circular tubes of austenitic stainless steels for special requirements; technical delivery conditions
DIN 17458 (1985) - Seamless circular tubes of austenitic stainless steels for special requirements; technical delivery conditions
DIN EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
DIN EN 10088-1 - Stainless steels - Part 1: List of stainless steels
DIN EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
DIN 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
DIN EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
DIN 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
DIN EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
DIN EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
DIN EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
DIN EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
DIN EN 10272 - Stainless steel bars for pressure purposes
DIN EN 10296-2 (2005) - Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
DIN EN 10297-2 (2005) - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
DIN 17445 - Corrosion resistant steel castings

Chemical composition(wt.%) of 1.4439 grade: DIN 17440 (1996)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 16.5 18.5
Ni 12.5 14.5
Mo 4.00 5.00
N 0.12 0.22
Stainless steels - Technical delivery conditions for drawn wire

Mechanical properties of grade 1.4439 DIN 17440 (1996)

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)
689 (≥) 977 (≥) 23 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical properties of grade 1.4439 DIN 17440 (1996)

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
677 (≥) 452 (≥) 11 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
854 514 497

1.4439 - 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
X2CrNiMoN17-13-5 AWS Germany
Stainless steels - Technical delivery conditions for drawn wire
1.4439 AWS Germany
Stainless steels - Technical delivery conditions for drawn wire
X2CrNiMoN17-13-5 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4439 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X2CrNiMoN17-13-5 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4439 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

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