E550 1.0593 - EN 10305-3-2023

Grade	E550
European Standard Steel Grade	1.0593
Corresponding Standard	EN 10305-3-2023 Steel Tubes for Precision Applications - Technical Delivery Conditions - Part 3: Welded Cold Sized Tubes
Classification	Alloy Steel

E550 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	-	-	-	0.02
Maximum Value	0.16	0.55	1.8	0.025	0.025	-

E550 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
Steel tube	+CR2	≥590	ReH ≥550	≥7

• +CR1：Welded and cold sized. Normally not heat treated
• +CR2：Welded and cold sized. Not heat treated
• +A：Soft annealed
• +N：Normalized

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!