Steel-making

Seamless steel tube

Stainless Steel And Heat Resistant Steel

Chemical composition and application of stainless steel and heat resistant steel:

Stainless steel and heat-resistant steel grades according to metallurgy classification, i.e. austenite ferrite, martensite and the precipitation hardening.
Austenitic stainless steel: matrix based on the face centered cubic crystal structure of the Austrian Organization (gamma phase), non magnetic, mainly through cold processing to strengthen it (and may lead to certain magnetic) of stainless steel.
Ferritic stainless steel: The matrix is dominated by the ferrite structure (α phase) of the body - centered cubic crystal structure, magnetic, generally can not be hardened by heat treatment, but the cold processing can be slightly enhanced stainless steel.
Martensitic stainless steel:matrix of martensite, magnetic properties, heat treatment can be adjusted by the mechanical properties of stainless steel.
Precipitation hardening stainless steel:the matrix of austenite or martensite structure, and through precipitation hardening (also known as age hardening) to make it hard (strong) stainless steel.
Heat resistant steel: good chemical stability or high strength steel at elevated temperatures.

Steelmaking Products

Name	Standard
Name	STANDARD	GRADE	A S M E / ASTM	JIS	DIN	EN
Stainless steel and heat resistant steel	GB/T 20878-2007	12Cr17Mn6Ni5N	201	SUS201	1.4372	X12CrMnNiN17-5-2
		12Cr18Mn9Ni5N	202	SUS202	1.4373	X12CrMnNiN18-9-5
		12Cr17Ni7	301	SUS301	1.4319	X3CrNiN17-8
		06Cr19Ni10	304	SUS304	1.4301	X5CrNi18-10
		06Cr17Ni12Mo2	316	SUS316	1.4401	X5CrNiMo17-12-2
		12Cr13	410	SUS410	1.4006	X12Cr12
		20Cr13	420	SUS420J1	1.4021	X20Cr13
		30Cr13	420	SUS420J2	1.4028	X30Cr13
		40Cr	/	/	1.4031	X39Cr13

Product outline

Product specification

Steel-making

Seamless steel tube

Stainless Steel And Heat Resistant Steel