Category Archives: Blog

Inconel 718 Alloy 718 UNS N07718

Category : Blog

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Bar Specification

UNS Type AMS ASTM

N07718

Alloy 718

5662
5663
5664

B-637

Chemical Composition

Grade C Mn P S Si Cr Ni Mo

Alloy 718

0.08

0,35

0.015

0.015

0.35

17-21

50-55

2.8-3.3

Mechanical Properties

Grade Ultimate Tensile Strength (N/mm2) 0.2% Proof Strength (N/mm2) Elongation (%) Reduction of Area (%) Hardness (HB)

Alloy 718

1276

1034

12

15

277


INCONEL 625 Alloy 625

Category : Blog

Inconel 625 is a corrosion and oxidation resistant nickel alloy that is used both for its high strength and outstanding aqueous corrosion resistance. Its outstanding strength and toughness is due to the addition of niobium which acts with the molybdenum to stiffen the alloy’s matrix. Alloy 625 has excellent fatigue strength and stress-corrosion cracking resistance to chloride ions. This nickel alloy has excellent weldability and is frequently used to weld AL-6XN. This alloy resists a wide range of severely corrosive environments and is especially resistant to pitting and crevice corrosion. Some typical applications Inconel 625 is used in are chemical processing, aerospace and marine engineering, pollution-control equipment, and nuclear reactors

Bar Specification

UNS Type AMS ASTM

N06625

Alloy 625

5599

B446

Chemical Composition

Grade Cr Ni Mo C Fe Mg Si P

Alloy 625

20

58

8

0.10

5

0.50

0.50

0.015

Mechanical Properties

Grade Tensile Strength (ksi) min Yeild Strength 0.2% proof (ksi) Min Elongation (% in 50mm) Min

Alloy 625

120

60

30


Nitronic 60 – UNS S21800 – High Strength Stainless Steel

Category : Blog

Nitronic 60 is truly an all purpose metal. This fully austenitic alloy was originally designed as a temperature alloy, and subsequently has good high temperature properties for temperatures around 1800ºF. The oxidation resistance of Nitronic 60 is similar to Type 309 S.S., and far superior to Type 304S.S. This grade is best known for its wear and galling resistance.

The additions of Silicon and Manganese have given this alloy a matrix to inhibit wear, galling, and fretting even in the annealed condition. Higher strengths are attainable through cold working the material and is still fully austenitic after severe cold-working. This working does not enhance the anti-galling properties as is normal for carbon steels and some stainless steels. The benefit to the cold or hot work put into the material is added strength and hardness, and the wear resistance does not decrease noticeably. Chromium and Nickel additions give it comparable corrosion to 304 and 316 stainless steels, while having approximately twice the yield strength. The high mechanical strength in annealed parts permits use of reduced cross sections for weight, and cost reductions through the use of thinner stock.

Bar Specification

UNS Type AMS ASTM Characteristics

S21800

Nitrogen 60

-

A193

Nitronic 60 is corrosion resistance and wear resitance

Chemical Composition

Grade Cr Ni Mn Mo Si N C S Fe

Nitrogen 60

20.5-23.5

11.5-13.5

4-6

1.5-3

1

0.2-0.4

0.06

0.03

Balance

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B

Nitrogen 60

689

379

35%

-


Nitronic 50 – XM 19 – High Strength Stainless Steel

Category : Blog

NITRONIC 50 Stainless Steel provides a combination of corrosion resistance and strength not found in any other commercial material available in its price range. This austenitic stainless has corrosion resistance greater than that provided by Types 316 and 316L, plus approximately twice the yield strength at room temperature. In addition, Armco NITRONIC 50 Stainless has very good mechanical properties at both elevated and sub-zero temperatures. And, unlike many austenitic stainless steels, NITRONIC 50 does not become magnetic when cold worked.

Bar Specification

UNS Type AMS ASTM Characteristics

S20910

XM-19

5764

A-276
A-314
A-479

Nitrogen strengthened austenitic steel, good corrosion resistance with improved mechanical properties. XM-19 is about twice the yield strength of 316.

Chemical Specification

Grade C Mn P S Si Cr Ni Mo

Nitrogen 50 - XM 19

0.6

4-6

0.04

0.03

1.0

20.5-23.5

11.5-13.5

1.5-3

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B

Nitrogen 50 - XM 19

690

380

35%

293


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