1.4303 material Equivalent Grade

1.4303 Stainless Steel Equivalent Grade Table

Standard System	Equivalent Grade	Designation	Notes
EN / DIN	1.4303	X4CrNi18-12	European standard (EN 10088-1)
AISI / ASTM	305	AISI 305 / UNS S30500	Common U.S. designation, similar chemical and mechanical properties
JIS (Japan)	SUS 305		Japanese standard, widely used in Asia
BS (UK)	305S19 (historic)		Obsolete British Standard designation
ISO	X4CrNi18-12	ISO 15510:2014	Matches EN chemical composition
GB (China)	0Cr18Ni12		Closely matches, but may vary slightly in Ni content
AFNOR (France)	Z5CN18-11		French standard, now replaced by EN 1.4303
GOST (Russia)	12X18H11 (12Х18Н11)		Similar composition, used in some CIS countries

What is the 1.4303 Stainless Steel standard?

Grade :	X4CrNi18-12
Number:	1.4303
Classification:	Austenitic stainless steel
Density:	7.9 g/cm ³
Standard:	EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels EN 10088-1: 2005 Stainless steels. List of stainless steels

1.4303 Stainless Steel Product Forms

Product Type	Size Range
Cold Rolled Coil/Sheet	Thickness: 0.3 mm – 6.0 mm
Hot Rolled Plate	Thickness: 3.0 mm – 50 mm
Stainless Steel Strip	Width: 10 mm – 600 mm
Round Bar	Diameter: 6 mm – 100 mm
Pipe / Tube	OD: 6 mm – 219 mm (welded/seamless)

We offer 1.4303 in standard product forms including tubes, pipes, plates, strips, sheets, round bars, flat bars, forgings, hexagonal bars and wires. These products are available in a wide variety of sizes. For detailed specifications and product information, please visit the following website.

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1.4303 Stainless Steel Surface Finishes

Finish Type	Description
2B	Cold rolled, annealed, pickled, light finish
BA	Bright annealed, mirror-like finish
No.4	Brushed, directional grain
Mirror No.8	High reflectivity, decorative applications