X5CrNiMo17-12-2 /1.4401 /316 stainless steel
This guide helps procurement teams understand the key properties, international equivalents, typical applications, and purchasing considerations of EN 1.4401 stainless steel.
What is EN 1.4401 stainless steel equivalent?
| Standard |
Designation |
| EN |
1.4401 (X5CrNiMo17-12-2) |
| ASTM |
AISI 316, UNS S31600 |
| JIS |
SUS316 |
| ISO |
X5CrNiMo17-12-2 |
| GB |
022Cr17Ni12Mo2 |
What is the chemical composition of EN 1.4401 Stainless Steel? (EN 10088-1)
This grade 316 is part of the 300-series austenitic stainless steels, enhanced with 2–2.5% Mo for superior resistance to pitting and crevice corrosion.
| Element |
Content (%) |
| Chromium |
16.5 – 18.5 |
| Nickel |
10.0 – 13.0 |
| Molybdenum |
2.0 – 2.5 |
| Carbon |
≤ 0.07 |
| Manganese |
≤ 2.0 |
| Silicon |
≤ 1.0 |
| Phosphorus |
≤ 0.045 |
| Sulfur |
≤ 0.015 |
EN 1.4401 Stainless Steel Mechanical Properties (Annealed)
| Property |
Value (typical) |
| Yield Strength (Rp0.2) |
≥ 240 MPa |
| Tensile Strength (Rm) |
530–680 MPa |
| Elongation (A5) |
≥ 40% |
| Hardness (Brinell) |
≤ 215 HBW |
| Density |
7.98 g/cm³ |
| Magnetic |
Non-magnetic (annealed) |
What is the EN 1.4401 Stainless Steel standard?
| Grade : |
X5CrNiMo17-12-2 |
| Number: |
1.4401 |
| Classification: |
Austenitic stainless steel |
| Density: |
8 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 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels |
| EN 10222-5: 2000 Steel forgings for pressure purposes. Martensitic, austenitic and austenitic-ferritic stainless steels |
| EN 10151: 2003 Stainless steel strip for springs. Technical delivery conditions |
| EN 10216-5: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes |
| EN 10217-7: 2005 Welded steel tubes for pressure purposes. Stainless steel tubes |
| EN 10296-2: 2005 Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions |
| EN 10253-3: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements |
| EN 10253-4: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| EN 10272: 2007 Stainless steel bars for pressure 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 10250-4: 2000 Open steel die forgings for general engineering purposes. Stainless steels |
| EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions |
| 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 10088-4: 2009 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes |
| EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes |
|
GNEE supply 1.4401 stainless steel in plate, tube, coil, and bar form, certified to EN 10204 3.1, ready for global export, and available in both standard and custom sizes.
EN 1.4401 Stainless Steel Product Forms
| Product Type |
Specification (Typical) |
| Plate / Sheet |
ASTM A240 / EN 10088-2 |
| Pipe / Tube |
ASTM A312, A213 / EN 10216-5 |
| Bar / Rod |
ASTM A276 / EN 10088-3 |
| Coil / Strip |
ASTM A240 / Slit Edge / Cold-Rolled |
| Finishes Available |
2B, BA, No.1, No.4, Mirror 8K |
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