EN 1.4429, ASTM UNS S31653 Stainless Steel

EN 1.4429, ASTM UNS S31653 Stainless Steel

EN 1.4429, ASTM UNS S31653 Stainless Steel General Characteristics 316LN/4429 is an austenitic stainless steel, that belongs to the standard CrNiMo stainless steel family. 316LN/4429 has low carbon content for improved resistance against intergranular corrosion after welding, increased nitrogen...
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EN 1.4429, ASTM UNS S31653 Stainless Steel

General Characteristics

316LN/4429 is an austenitic stainless steel, that belongs to the standard CrNiMo stainless steel family.

316LN/4429 has low carbon content for improved resistance against intergranular corrosion after welding, increased nitrogen content for improved mechanical strength and increased molybdenum content for slightly improved corrosion resistance. 


Due to their molybdenum content, the austenitic CrNiMo standard grades can be used in applications that demand increased corrosion resistance. Their well-balanced material properties make them suitable for the fabrication of many products. Because of its more stable austenitic structure, 316LN/4429 has a lower magnetic permeability than the austenitic CrNiMo standard grades.


Typical Applications

Pulp & paper industry

Chemical industry

Medical applications

Textile finishing

Pharmaceutical industry

Low temperature equipment

Applications with high magnetic fields


Product forms, available sizes and finishes

Flat

Product typeFinishesThicknessWidth

Cold rolled coil

2B, 2D

0,40-4,76

36-1540

Cold rolled sheet

2B, 2D

0,40-4,76

400-1500

Quarto plate

1D

5,00-50,00

400-3200


Long

Product type
ThicknessWidth
Wire rod (Rod coil) hex

9,00-27,00

9-27

Wire rod (Rod coil) round


5,00-27,00

5-27

Wire rod (Rod coil) square


9,00-24,00

9-24



Chemical Composition

The typical chemical composition for this grade is given in the table below, together with composition limits given for the product according to different standards. The required standard will be fully met as specified on the order.


The chemical composition is given as % by mass.


CMnCrNiMoN

Typical

0.02

17.3

12.5

2.6

0.14

EN 10028-7

≤0.030

≤2.00

16.5-18.5

11.0-14.0

2.50-3.00

0.12-0.22

EN 10088-2

≤0.030

≤2.0

16.5-18.5

11.0-14.0

2.5-3.0

0.12-0.22

EN 10088-3

≤0.030

≤2.00

16.5-18.5

11.0-14.0

2.50-3.00

0.12-0.22

EN 10088-4

≤0.030

≤2.0

16.5-18.5

11.0-14.0

2.5-3.0

0.12-0.22


Mechanical Properties

The mechanical properties of the available products are given in the table below.

StandardRp0.2Rp1.0RmElongation

MPa

MPa

MPa

%

Product type: Hot rolled quarto plate

Typical (thickness 15 mm)

330

390

670

45

EN 10028-7

≥ 280

≥ 320

580-780

≥ 40

EN 10088-2

≥ 280

≥ 320

580-780

≥ 40

EN 10088-4

≥ 280

≥ 320

580-780

≥ 40

Product type: Wire rod

Typical

300

340

600

45


Physical Properties (According to EN 10088)

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivity

kg/dm3

GPa

10-6/°C

W/m°C

8.0

200

16,0

15


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