Stainless Steel S32001-CD (Cold drawn)
Supply condition
UNS S32001 · EN 1.4482
Use for high-strength fasteners, shafts and reinforcement bar where close tolerance and higher yield are needed.
Values for the CD condition
Other S32001 tempers and conditions
S32001 is listed in 4 conditions; see the grade overview at S32001.
Compare all 4 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Welded tube/pipe, solution annealed after welding | Choose for pressure and process tubing per ASTM A789/A790 where the weld must be re-solutioned to restore phase balance. | 510 | 680 | 30 | 21 HRC | 2.5 % IACS |
AnnealedDefault solution annealed (≈1010–1100 °C) and rapidly cooled | Standard mill condition for plate, sheet, coil, bar and tube — best combination of ductility, toughness and corrosion resistance. | 520 | 690 | 32 | 230 HB | — |
CDThis page Cold drawn | Use for high-strength fasteners, shafts and reinforcement bar where close tolerance and higher yield are needed. | 690 | 830 | 18 | 28 HRC | 2.5 % IACS |
Cold Worked / temper rolled strip | Pick when higher strength per unit thickness is needed for lightly formed parts, straps and strip; ductility and toughness drop sharply. | 720 | 850 | 14 | 29 HRC | 2.5 % IACS |
What is S32001-CD?
S32001-CD is S32001 supplied in the CD condition — use for high-strength fasteners, shafts and reinforcement bar where close tolerance and higher yield are needed. S32001-CD has a yield strength of 690 MPa (100 ksi) and a tensile strength of 830 MPa (120 ksi) — stronger than 92% of stainless steel grades. Elongation at break is 18% and the elastic modulus is 200 GPa (29 Msi). S32001-CD has a density of 7.74 g/cm³ (0.28 lb/in³), lighter than 72% of stainless steel grades. It melts at 1,420°C (2,588 °F). Annealed is the default condition FabDigit quotes; CD is available on request or by drawing note.
Advantages
- High strength — 690 MPa (100 ksi), better than 92% of stainless steel grades
Limitations
- Limited service temperature — 300°C (572 °F), worse than 90% of stainless steel grades
- Limited ductility — 18%, worse than 83% of stainless steel grades
- Low fracture toughness — 90 MPa·√m (81.9 ksi·√in), worse than 75% of stainless steel grades
S32001-CD properties
Typical room-temperature values for S32001-CD; 23 are specific to this condition. Other listed values are S32001 reference data and may not represent this condition. Bars are the position among stainless steel grades.
Physical3
S32001-CD has a density of 7.74 g/cm³ (0.28 lb/in³), lighter than 72% of stainless steel grades. It melts at 1,420°C (2,588 °F).
Mechanical16
S32001-CD has a yield strength of 690 MPa (100 ksi) and a tensile strength of 830 MPa (120 ksi) — stronger than 92% of stainless steel grades. Elongation at break is 18% and the elastic modulus is 200 GPa (29 Msi).
Thermal6
S32001-CD is rated for continuous service to 300°C (572 °F). It conducts heat at 15.5 W/m·K (8.96 BTU/hr·ft·°F), better than 53% of stainless steel grades. Thermal expansion is 13 µm/m·K (7.22 µin/in·°F).
Electrical3
S32001-CD conducts electricity at 2.5 % IACS, better than 75% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is good (56/100), worse than 66% of stainless steel grades.
Sustainability4
Producing a kilogram of S32001-CD takes about 50 MJ of energy and emits 4.5 kg of CO₂ — less than 80% of stainless steel grades. Typical recycled content is 65%.
Manufacturability7
S32001-CD's machinability is fair (38/100, better than 63% of stainless steel grades); weldability good (65/100); formability poor (30/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with S32001-CD
Is S32001 easy to machine?
Machine like 2205 but slightly easier: rigid setups, sharp positive-rake carbide, low speed / heavy positive feed to cut under the work-hardened skin, ample flood coolant.
Can S32001 be welded?
GTAW/GMAW/SAW with over-alloyed 2209 (or matching 2101/2307) filler and N-bearing shielding; keep heat input roughly 0.5–2.5 kJ/mm and interpass <150 °C, no PWHT — autogenous welds should be re-annealed or filler-added to keep austenite content.
Can S32001 be formed, bent or molded?
Cold formable but needs ~2× the press force and larger over-bend allowance than 304 because of high yield and springback; hot work 1100–1200 °C and always solution anneal + water quench afterwards.
What surface finishes work on S32001?
Pickle/passivate (HNO₃-HF) or bead-blast plus passivation after welding to remove heat tint; electropolishing and mechanical polishing give good bright finishes — do not anodize.
S32001 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| C | ≤ 0.03 | 0.02 |
| Mnaustenite stabiliser replacing Ni | 4 – 6 | 5 |
| Si | ≤ 1 | 0.5 |
| P | ≤ 0.04 | 0.03 |
| S | ≤ 0.03 | 0 |
| Cr | 19.5 – 21.5 | 20.5 |
| Ni | 1 – 3 | 1.7 |
| Moresidual only — Mo-free design | ≤ 0.6 | 0.2 |
| N | 0.05 – 0.17 | 0.12 |
| Cu | ≤ 1 | 0.3 |
| Fe | balance | — |
S32001-CD — frequently asked
What is S32001-CD used for?
S32001-CD is typically used for structural tanks, transportation trailers and general industrial fabrication. In short: lowest-cost duplex stainless; molybdenum-free 304 replacement; roughly double 304 yield.
What is the yield strength of S32001-CD?
S32001-CD has a typical yield strength of 690 MPa (100 ksi) and a tensile strength of 830 MPa (120 ksi) — stronger than 92% of stainless steel grades. Strength varies by condition: see the 4 listed tempers.
Is S32001-CD easy to machine?
Not especially — machinability is rated fair (38/100, better than 63% of stainless steel grades). Machine like 2205 but slightly easier: rigid setups, sharp positive-rake carbide, low speed / heavy positive feed to cut under the work-hardened skin, ample flood coolant.
Can S32001-CD be welded?
Yes — weldability is rated good (65/100). GTAW/GMAW/SAW with over-alloyed 2209 (or matching 2101/2307) filler and N-bearing shielding; keep heat input roughly 0.5–2.5 kJ/mm and interpass <150 °C, no PWHT — autogenous welds should be re-annealed or filler-added to keep austenite content.
What surface finishes work on S32001-CD?
Pickle/passivate (HNO₃-HF) or bead-blast plus passivation after welding to remove heat tint; electropolishing and mechanical polishing give good bright finishes — do not anodize.
Can S32001-CD be formed, bent or molded?
Cold formable but needs ~2× the press force and larger over-bend allowance than 304 because of high yield and springback; hot work 1100–1200 °C and always solution anneal + water quench afterwards.
What is the maximum service temperature of S32001-CD?
S32001-CD is rated for continuous use to about 300°C (572 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between S32001 Annealed and S32001 CW-TR?
Annealed is the default condition — standard mill condition for plate, sheet, coil, bar and tube — best combination of ductility, toughness and corrosion resistance. CW-TR: pick when higher strength per unit thickness is needed for lightly formed parts, straps and strip; ductility and toughness drop sharply. Yield strength is 520 MPa in Annealed versus 720 MPa in CW-TR.
Sources
- ASTM A240/A240M — Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip — ASTM International (2023)
- ASTM A789/A790 — Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing and Pipe — ASTM International (2021)
- 19D (UNS S32001) Lean Duplex Stainless Steel Data Sheet — Cleveland-Cliffs (formerly AK Steel) (2021)
- ASM Handbook Vol. 1: Properties and Selection — Irons, Steels and High-Performance Alloys — ASM International (1990)
- Practical Guidelines for the Fabrication of Duplex Stainless Steels — International Molybdenum Association (IMOA) (2014)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.