Stainless Steel 1.4369-C1150
Supply condition
EN 1.4369
C1150 = c1150 / FH
Maximum-strength thin strip and wire for flat springs and shims; very limited bendability.
Values for the C1150 condition
Other 1.4369 tempers and conditions
1.4369 is listed in 7 conditions; see the grade overview at 1.4369.
Compare all 7 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Hot rolled | Heavier plate and hot-rolled coil supplied solution annealed for fabrication and welding. | 380 | 720 | 45 | 200 HB | 2.4 % IACS |
AnnealedDefault solution annealed and pickled (1D/2B/2D) | Standard stocked condition: maximum ductility and corrosion resistance for deep drawing, bending and welding. | 400 | 750 | 48 | 210 HB | — |
Cold worked to 700 MPa minimum tensile | Light cold work for structural strip that still needs moderate bending ability. | 550 | 800 | 30 | 24 HRC | 2.4 % IACS |
Cold worked to 850 MPa minimum tensile | Half-hard strip for clamps, brackets and light springs. | 700 | 950 | 20 | 31 HRC | 2.4 % IACS |
Cold drawn | Cold-drawn round bar and wire for fasteners and machined parts needing higher yield than annealed. | 700 | 950 | 18 | 30 HRC | 2.4 % IACS |
Cold worked to 1000 MPa minimum tensile | Three-quarter hard strip for spring clips and high-strength cold-formed profiles. | 850 | 1,100 | 12 | 36 HRC | 2.4 % IACS |
C1150This page C1150 / FH | Maximum-strength thin strip and wire for flat springs and shims; very limited bendability. | 1,050 | 1,250 | 6 | 41 HRC | 2.4 % IACS |
What is 1.4369-C1150?
1.4369-C1150 is 1.4369 supplied in the C1150 condition — maximum-strength thin strip and wire for flat springs and shims; very limited bendability. 1.4369-C1150 has a yield strength of 1,050 MPa (152 ksi) and a tensile strength of 1,250 MPa (181 ksi) — stronger than 98% of stainless steel grades. Elongation at break is 6% and the elastic modulus is 195 GPa (28.3 Msi). 1.4369-C1150 has a density of 7.8 g/cm³ (0.282 lb/in³), heavier than 50% of stainless steel grades. It melts at 1,390°C (2,534 °F). Annealed is the default condition FabDigit quotes; C1150 is available on request or by drawing note.
Advantages
- High strength — 1,050 MPa (152 ksi), better than 98% of stainless steel grades
- Polishes to a fine finish — 80/100, better than 89% of stainless steel grades
Limitations
- Limited ductility — 6%, worse than 99% of stainless steel grades
- Limited service temperature — 250°C (482 °F), worse than 99% of stainless steel grades
- Limited formability — 20/100, worse than 86% of stainless steel grades
- Low fracture toughness — 70 MPa·√m (63.7 ksi·√in), worse than 83% of stainless steel grades
- Needs corrosion protection — 48/100, worse than 80% of stainless steel grades
1.4369-C1150 properties
Typical room-temperature values for 1.4369-C1150; 23 are specific to this condition. Other listed values are 1.4369 reference data and may not represent this condition. Bars are the position among stainless steel grades.
Physical3
1.4369-C1150 has a density of 7.8 g/cm³ (0.282 lb/in³), heavier than 50% of stainless steel grades. It melts at 1,390°C (2,534 °F).
Mechanical16
1.4369-C1150 has a yield strength of 1,050 MPa (152 ksi) and a tensile strength of 1,250 MPa (181 ksi) — stronger than 98% of stainless steel grades. Elongation at break is 6% and the elastic modulus is 195 GPa (28.3 Msi).
Thermal6
1.4369-C1150 is rated for continuous service to 250°C (482 °F). It conducts heat at 15 W/m·K (8.67 BTU/hr·ft·°F), worse than 59% of stainless steel grades. Thermal expansion is 16.5 µm/m·K (9.17 µin/in·°F).
Electrical3
1.4369-C1150 conducts electricity at 2.4 % IACS, better than 61% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is fair (48/100), worse than 80% of stainless steel grades.
Sustainability4
Producing a kilogram of 1.4369-C1150 takes about 48 MJ of energy and emits 4.2 kg of CO₂ — less than 85% of stainless steel grades. Typical recycled content is 65%.
Manufacturability8
1.4369-C1150's machinability is poor (33/100, worse than 57% of stainless steel grades); weldability good (55/100); formability poor (20/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 1.4369-C1150
Is 1.4369 easy to machine?
Work-hardens rapidly like 304 but harder still due to nitrogen — use rigid setups, sharp coated carbide, positive rake, heavy positive feed and generous coolant; avoid dwelling.
Can 1.4369 be welded?
Weldable by TIG/MIG/resistance methods with 307/308L-type or high-Mn fillers; keep heat input low and avoid post-weld sensitisation from the 0.08–0.15 %C level in corrosive service.
Can 1.4369 be formed, bent or molded?
Excellent deep-drawing and bending in the annealed state, though higher press tonnage and stronger springback compensation are needed than for 304; interstage annealing for severe draws.
What surface finishes work on 1.4369?
Takes 2B, BA and mirror polishes well; passivate or electropolish after fabrication — do not anodise. Manganese content can make pickling and weld-scale removal slightly slower.
1.4369 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 |
|---|---|---|
| Chigher C than 304; sensitisation risk after welding | 0.08 – 0.15 | 0.11 |
| Si | ≤ 1 | 0.5 |
| Mnpartial nickel substitute | 5 – 7 | 6 |
| P | ≤ 0.05 | — |
| S | ≤ 0.02 | — |
| Cr | 18 – 20 | 19 |
| Ni | 7 – 9 | 8 |
| Nsolid-solution strengthener and austenite stabiliser | 0.15 – 0.3 | 0.22 |
| Fe | balance | — |
1.4369-C1150 — frequently asked
What is 1.4369-C1150 used for?
1.4369-C1150 is typically used for structural fasteners, kitchen equipment, architectural trim and automotive trim parts. In short: nitrogen-strengthened low-nickel austenitic; higher strength than 304; cost-driven 300-series substitute.
What is the yield strength of 1.4369-C1150?
1.4369-C1150 has a typical yield strength of 1,050 MPa (152 ksi) and a tensile strength of 1,250 MPa (181 ksi) — stronger than 98% of stainless steel grades. Strength varies by condition: see the 7 listed tempers.
Is 1.4369-C1150 easy to machine?
Not especially — machinability is rated poor (33/100, worse than 57% of stainless steel grades). Work-hardens rapidly like 304 but harder still due to nitrogen — use rigid setups, sharp coated carbide, positive rake, heavy positive feed and generous coolant; avoid dwelling.
Can 1.4369-C1150 be welded?
Yes — weldability is rated good (55/100). Weldable by TIG/MIG/resistance methods with 307/308L-type or high-Mn fillers; keep heat input low and avoid post-weld sensitisation from the 0.08–0.15 %C level in corrosive service.
What surface finishes work on 1.4369-C1150?
Takes 2B, BA and mirror polishes well; passivate or electropolish after fabrication — do not anodise. Manganese content can make pickling and weld-scale removal slightly slower.
Can 1.4369-C1150 be formed, bent or molded?
Excellent deep-drawing and bending in the annealed state, though higher press tonnage and stronger springback compensation are needed than for 304; interstage annealing for severe draws.
What is the maximum service temperature of 1.4369-C1150?
1.4369-C1150 is rated for continuous use to about 250°C (482 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 1.4369 Annealed and 1.4369-C1150?
Annealed is the default condition — standard stocked condition: maximum ductility and corrosion resistance for deep drawing, bending and welding. C1150: maximum-strength thin strip and wire for flat springs and shims; very limited bendability. Yield strength is 400 MPa in Annealed versus 1,050 MPa in C1150.
Sources
- EN 10088-1 Stainless steels — List of stainless steels — CEN (2014)
- EN 10088-2 Stainless steels — Sheet/plate and strip for general purposes — CEN (2014)
- EN 10151 Stainless steel strip for springs — CEN (2002)
- ASM Handbook Vol. 1 — Properties and Selection: Irons, Steels, and High-Performance Alloys — ASM International (1990)
- ASM Handbook Vol. 13B — Corrosion: Materials — ASM International (2005)
- Nitrogen-alloyed CrMnNi austenitic strip datasheets — Outokumpu / Aperam (2023)
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.