431 En 1.4057 Stainless Steel Bright Bar

Backed by a team of dexterous experts we are well known Exporter and Supplier of 431 en 1.4057 Stainless Steel Bright Bar in Wuxi Jiangsu China. 431 stainless steel As a martensitic stainless steel with a 17% chromium and 2.5% nickel content it is usually supplied in the hardened but still machineable condition. It offers good corrosion resistance in mild marine and industrial atmospheres where high tensile and yield strength with excellent toughness are required.

UNS Designati-onsB
Type Composition% max

C Mn P S Si Cr Ni Mo N Other elements
S43100 431 0.2 1.0 0.04 0.03 1.0 15-17 1.25-2.5 ... ... .....

Mechanical Requirments

Mechanical Properties: Tensile strength (MPa): quenching and tempering min1080

elongation 5 (%): quenching and tempering min10

impact energy Akv (J): quenching and tempering min39

Hardness: annealing min285HB
A) Heat treatment and microstructure specifications: Heat treatment specifications: 1) annealing 680 - 700 a tempering air cooling; 2) quenching 950 -1050 a oil cooling; 3) tempering 275-350 a air cooling. Microstructure: Organizing for the martensite type.
B) Delivery status: generally heat treatment delivery the treatment types specified in the contract; not indicated by not heat treatment delivery.