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You are here : section steel--Katalor steel > News > 正文A240 310 angle steel Chemical Composition Requirements

A240 310 angle steel Chemical Composition Requirements

A240 310 angle steel Chemical Composition Requirements
310 angle steel is often used at cryogenic temperatures, with excellent toughness to -450°F, and low magnetic permeability. 310 has a machinability rating of 42% relative to AISI B1112 steel. When using high speed steel tooling, this equates to about 70 surface feet per minute. Forming operations should be performed at room temperature whenever possible. Welding with AWS E310-15 electrodes or ER310 bare wire is suggested.

A240 310 angle steel Chemical Composition Requirements

Type	C	Mn	P	S	Si	Cr	Ni
310	0.25	2.00	0.045	0.030	1.50	24.0-26.0	19.0-22.0

A240 310 angle steel Mechanical Properties

	Tensile strength, min		Yield strength, min		Elongation in 2 in or 50 mm,min,%	Hardness,max
	Ksi	Mpa	Ksi	Mpa	Elongation in 2 in or 50 mm,min,%	Brinell	Rockwell
Austenitic (chromium-nickel)(chromium-manganese-nickel)
310		515		205	40	217	95

Because of its high chromium and medium nickel contents, 310 angel steel has good resistance to sulfidation and other forms of hot corrosion. 310 angle steel is widely used in moderately carburizing atmospheres such as encountered in petrochemical environments. The more severely carburizing atmospheres of industrial heat treating furnaces require RA330® or RA333®. 310 is not suggested for the severe thermal shock of repeated liquid quenching.