INDUSTRIAL METALS · MATERIAL SOURCING · FABRICATION
sanjay@steelimp.com|+91 9594666986
AUSTENITIC STAINLESS

SS 309S equivalents, chemistry & properties.

Browse reference information for SS 309S, including related designations, composition, mechanical properties and density. Confirm the governing standard, product form and condition for your order.

SS 309S equivalent grades

USA (ASTM / AISI / SAE)
AISI 309S
UNS
S30908
Europe (EN)
X12CrNi23-13
Werkstoff No. (W.Nr)
1.4833
UK (BS)
309S16
Japan (JIS)
SUS309S
China (GB)
06Cr23Ni13
Russia (GOST)
20X23H13 (nearest)

Key data

Family
Austenitic stainless
Density
7.98 g/cm³
Typical mechanical
TS ≥515 MPa · YS ≥205 MPa
Typical uses
Furnace parts, heat exchangers to ~1000 °C
Weight
Calculate weight in SS 309S

SS 309S chemical composition (weight %)

CSiMnPSCrNi
≤0.08≤0.75≤2.00≤0.045≤0.03022.0–24.012.0–15.0

Grades similar to SS 309S

Frequently asked questions

What is the equivalent of SS 309S?

SS 309S equivalents: USA (ASTM / AISI / SAE) AISI 309S; UNS S30908; Europe (EN) X12CrNi23-13; Werkstoff No. (W.Nr) 1.4833; UK (BS) 309S16; Japan (JIS) SUS309S; China (GB) 06Cr23Ni13; Russia (GOST) 20X23H13 (nearest). Equivalents are close but not always identical; check the standard on your order.

What is the chemical composition of SS 309S?

SS 309S: C ≤0.08, Si ≤0.75, Mn ≤2.00, P ≤0.045, S ≤0.030, Cr 22.0–24.0, Ni 12.0–15.0 (weight %).

What is the density of SS 309S?

About 7.98 g/cm³ (7,980 kg/m³), the value used for weight calculations.

STOCK & SOURCING

Can’t find your grade? Send it — we’ll source it.

Our stockist and mill sourcing network extends beyond the grades listed here. Send rare grades, unusual forms and small-quantity requirements for sourcing review.

One enquiry gives us the details to check suitable sources across the network and help move your purchase forward. Share the exact grade, standard, form, size, quantity, delivery town and required date. We’ll confirm availability, minimum order quantity and lead time against your requirement.

Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.

Need SS 309S?

Steel Impex India, Mumbai, supplies SS 309S in pipes, plates, sheets, bars and fittings as available. Send the grade, standard, size and quantity.