SS 321 equivalents, chemistry & properties.
SS 321 is a austenitic stainless used for exhausts, bellows, hot refinery lines. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.
SS 321 equivalent grades
- India (IS)
- X04Cr18Ni10Ti (IS 6911)
- USA (ASTM / AISI / SAE)
- AISI 321
- UNS
- S32100
- Europe (EN)
- X6CrNiTi18-10
- Werkstoff No. (W.Nr)
- 1.4541
- UK (BS)
- 321S31
- Japan (JIS)
- SUS321
- China (GB)
- 06Cr18Ni11Ti (0Cr18Ni10Ti)
- Russia (GOST)
- 08X18H10T / 12X18H10T
Key data
- Family
- Austenitic stainless
- Density
- 7.92 g/cm³
- Typical mechanical
- TS ≥515 MPa · YS ≥205 MPa
- Typical uses
- Exhausts, bellows, hot refinery lines
- Weight
- Calculate weight in SS 321
SS 321 chemical composition (weight %)
| C | Si | Mn | P | S | Cr | Ni | N | Ti |
|---|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 17.0–19.0 | 9.0–12.0 | ≤0.10 | 5×(C+N)–0.70 |
Grades similar to SS 321
Frequently asked questions
What is the equivalent of SS 321?
SS 321 equivalents: India (IS) X04Cr18Ni10Ti (IS 6911); USA (ASTM / AISI / SAE) AISI 321; UNS S32100; Europe (EN) X6CrNiTi18-10; Werkstoff No. (W.Nr) 1.4541; UK (BS) 321S31; Japan (JIS) SUS321; China (GB) 06Cr18Ni11Ti (0Cr18Ni10Ti); Russia (GOST) 08X18H10T / 12X18H10T. Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of SS 321?
SS 321: C ≤0.08, Si ≤0.75, Mn ≤2.00, P ≤0.045, S ≤0.030, Cr 17.0–19.0, Ni 9.0–12.0, N ≤0.10, Ti 5×(C+N)–0.70 (weight %).
What is the density of SS 321?
About 7.92 g/cm³ (7,920 kg/m³), the value used for weight calculations.
Need SS 321?
Steel Impex India, Mumbai, supplies SS 321 in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.