Alloy N40 - UNS S21900

UNS S21900

Typical Inventory

Round Bar, Wire Reel, Plate, Tubing, Billet

Product Description

N40 is a nitrogen-strengthened, high-manganese stainless steel with high strength and excellent resistance to corrosion at high temperatures. N40, also called Nitronic 40®, can be fabricated and is readily weldable. N40 has been used for chemical processing, pollution control equipment and various aircraft engine components.

Applications

  • Food and chemical processing.
  • Aircraft components.
  • Polution control equipement.

Common Specifications

The typical properties listed on page one can be provided in rounds, sheet, strip & plate. We have the equipment to produce small quantities in special sizes to meet our customers’ specific needs.

ASME SA 240, ASTM A 240

Chemistry

Ni Cr Mn C Si N S
Max % 7.50 21.50 10.0 0.08 1.00 0.40 0.030
Min % 5.50 19.00 8.0 0.15

Mechanical Properties

Ultimate Tensile ksi (MPa) Yield Strength ksi (MPa) Elong. % in 2 in. Hardness (Rockwell B)
Min 95 (655) 48 (330) 35
Max 100

Common Specifications

The typical properties listed on page one can be provided in rounds, sheet, strip & plate. We have the equipment to produce small quantities in special sizes to meet our customers’ specific needs.

AMS 5595, AMS 5656, ASME SA 240, ASTM A 240, ASTM A 276, ASTM A 479, ASTM A 666