What is the standard hardness of 1.4310 stainless steel rod?

Which ASTM standard is 1.4310 equivalent to?
1.4310 stainless steel, commonly known as AISI 301, is a high-strength, corrosion-resistant material. It belongs to the V2A steel grade, also known as spring steel, and is commonly used in applications such as springs, fasteners, and various structural components.

 

Hardness of 1.4310 Stainless Steel Rod

The hardness of 1.4310 stainless steel is typically measured using the Rockwell B scale (HRB) or the Vickers hardness scale (HV).

Rockwell B Hardness (HRB): The typical hardness range for 1.4310 stainless steel rods is 90-95 HRB in the annealed condition. After cold working or further heat treatment, the hardness can increase significantly.

Vickers Hardness (HV): For 1.4310 stainless steel, the Vickers hardness generally ranges from 200 to 230 HV in its annealed form, with a potential for higher values post-hardening.

 

Chemical composition (%)

The following table lists the material 1.4310 chemical composition based on the heat analysis.

Standard	Steel Grade (Steel Number)	C	Si, ≤	Mn, ≤	P, ≤	S, ≤	Cr	Ni	Mo, ≤	N, ≤
EN 10088-2; EN 10088-3	X10CrNi18-8 (1.4310)	0,05-0,15	2,00	2,00	0.045	0,015	16,0-19,0	6,0-9,5	0,80	0,10

 

1.4310 Mechanical Properties

 

Mechanical properties (Solution annealed)
Country (Region)	Standard	Steel Grade (Steel Number)	Product Condition	Thickness (mm), ≤	0,2 % proof strength (Mpa), ≥, (Transverse)	1 % proof strength (Mpa), ≥ (Transverse)	Tensile strength (MPa)	Elongation (%), ≥, (Transverse)	Resistance to intergranular corrosion
European Union	EN 10088-2	X10CrNi18-8 (1.4310)	cold rolled strip	8	250	280	600-950	40	No

Mechanical properties (Solution annealed)
Country (Region)	Standard	Steel Grade (Steel Number)	Diameter (d) or Thickness (t) in mm	Hardness (HB), ≤	0.2% proof strength (MPa), ≥	1% proof strength (MPa), ≥	Tensile strength (MPa)	Elongation (%)	Resistance to intergranular corrosion
European Union	EN 10088-3	X10CrNi18-8 (1.4310)	≤40	230	195	230	500-750	40	No

 

Applications of 1.4310 Stainless Steel Rod

Automotive: Used for producing components such as springs, clips, and washers.
Manufacturing: Ideal for making tools, wire, and precision instruments.

Construction: Frequently used in structural applications, such as bolts and fasteners.

 

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