1.4439 Stainless Steels to DIN 17440 (1996)
1.4439 - Specification & Application
- 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
Stainless steels - Technical delivery conditions for drawn wire
Chemical composition(wt.%) of 1.4439 grade: to 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 |
|
|
1.4439 - Detail
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) |
| 664 (≥) |
651 (≥) |
33 |
11 |
21 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
421 |
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 |
| 423 (≥) |
542 (≥) |
43 |
34 |
23 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
421 |
Temp.
°C/°F |
Creep strain limit
(10000h)
(Rp1,0) N/mm2 |
Creep rupture strength
(10000h)
(Rp1,0) N/mm2 |
|
|
|
|
|
| 396 |
182 |
678 |
|
|
|
|
Product shapes we supply: