Stainless Steel 1.4567 +C850
Supply condition
EN 1.4567
+C850 = cold drawn to tensile class 850 MPa
Heavier draw for springy clips, shafts and screws that will not be upset; ductility is largely consumed.
Values for the +C850 condition
Other 1.4567 tempers and conditions
1.4567 is listed in 5 conditions; see the grade overview at 1.4567.
Compare all 5 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
+ATDefault Solution annealed | Default supply condition for cold-heading wire and deep-drawing stock: softest, most ductile, fully austenitic and non-magnetic. | 210 | 520 | 55 | 150 HB | — |
Light cold drawn | Choose when straightness, surface and tight diameter tolerance matter but full cold-heading ductility must be retained. | 320 | 570 | 40 | 9 HRC | 2.4 % IACS |
Cold drawn to tensile class 700 MPa | Cold-drawn strength class for parts that are only lightly upset or are machined from wire/bar and need higher proof strength than annealed. | 450 | 670 | 25 | 200 HB | — |
Cold-formed fastener property class | Finished screws/bolts cold-headed from 1.4567 wire and certified to ISO 3506 class A2-70 (700 MPa min UTS). | 500 | 760 | 18 | 21 HRC | 2.4 % IACS |
+C850This page Cold drawn to tensile class 850 MPa | Heavier draw for springy clips, shafts and screws that will not be upset; ductility is largely consumed. | 650 | 820 | 14 | 24 HRC | — |
What is 1.4567 +C850?
1.4567 +C850 is 1.4567 supplied in the +C850 condition — heavier draw for springy clips, shafts and screws that will not be upset; ductility is largely consumed. 1.4567 +C850 has a yield strength of 650 MPa (94.3 ksi) and a tensile strength of 820 MPa (119 ksi) — stronger than 90% of stainless steel grades. Elongation at break is 14% and the elastic modulus is 193 GPa (28 Msi). 1.4567 +C850 has a density of 7.9 g/cm³ (0.285 lb/in³), heavier than 68% of stainless steel grades. It melts at 1,400°C (2,552 °F). +AT is the default condition FabDigit quotes; +C850 is available on request or by drawing note.
Advantages
- High strength — 650 MPa (94.3 ksi), better than 90% of stainless steel grades
- Polishes to a fine finish — 80/100, better than 89% of stainless steel grades
Limitations
- Limited ductility — 14%, worse than 91% of stainless steel grades
1.4567 +C850 properties
Typical room-temperature values for 1.4567 +C850; 11 are specific to this condition. Other listed values are 1.4567 reference data and may not represent this condition. Bars are the position among stainless steel grades.
Physical3
1.4567 +C850 has a density of 7.9 g/cm³ (0.285 lb/in³), heavier than 68% of stainless steel grades. It melts at 1,400°C (2,552 °F).
Mechanical16
1.4567 +C850 has a yield strength of 650 MPa (94.3 ksi) and a tensile strength of 820 MPa (119 ksi) — stronger than 90% of stainless steel grades. Elongation at break is 14% and the elastic modulus is 193 GPa (28 Msi).
Thermal6
1.4567 +C850 is rated for continuous service to 550°C (1,022 °F). It conducts heat at 16 W/m·K (9.24 BTU/hr·ft·°F), better than 58% of stainless steel grades. Thermal expansion is 16.5 µm/m·K (9.17 µin/in·°F).
Electrical3
1.4567 +C850 conducts electricity at 2.4 % IACS, better than 67% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is good (58/100), worse than 62% of stainless steel grades.
Sustainability4
Producing a kilogram of 1.4567 +C850 takes about 53 MJ of energy and emits 4.7 kg of CO₂ — less than 67% of stainless steel grades. Typical recycled content is 60%.
Manufacturability8
1.4567 +C850's machinability is fair (38/100, better than 63% of stainless steel grades); weldability good (68/100); formability fair (50/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 1.4567 +C850
Is 1.4567 easy to machine?
Gummy and work-hardening like 304 (≈45 % of 1212): use sharp positive-rake carbide, heavy positive feed, rigid setup and flood coolant; avoid dwelling.
Can 1.4567 be welded?
Low carbon means no post-weld anneal needed for thin sections; GTAW/GMAW/resistance welding with 308L/347 filler, keep heat input low because 3–4 % Cu increases hot-cracking sensitivity.
Can 1.4567 be formed, bent or molded?
Best-in-class cold heading and multi-station upsetting: low work-hardening rate allows severe upset ratios and deep drawing with minimal interstage annealing; keep tools well lubricated.
What surface finishes work on 1.4567?
Passivate per ASTM A967 or electropolish after forming; takes a good bright polish and is readily plated (Ni/Zn-Ni) or PVD coated; not anodisable.
1.4567 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 |
|---|---|---|
| CEN 10088-3; UNS S30430 allows 0.08 max | ≤ 0.04 | 0.02 |
| Si | ≤ 1 | 0.5 |
| Mn | ≤ 2 | 1 |
| P | ≤ 0.05 | — |
| SEN often restricts to 0.015 for cold heading | ≤ 0.03 | — |
| Cr | 17 – 19 | 18 |
| NiUNS S30430: 8.0–10.0 | 8.5 – 10.5 | 9.3 |
| Curaises austenite stability, lowers work hardening | 3 – 4 | 3.4 |
| N | ≤ 0.11 | 0.04 |
| Fe | balance | — |
1.4567 +C850 — frequently asked
What is 1.4567 +C850 used for?
1.4567 +C850 is typically used for cold-headed fasteners, wire forming and precision cold forming parts. In short: highest-formability austenitic; 3–4 % copper cold-heading grade; no molybdenum, 304-level corrosion.
What is the yield strength of 1.4567 +C850?
1.4567 +C850 has a typical yield strength of 650 MPa (94.3 ksi) and a tensile strength of 820 MPa (119 ksi) — stronger than 90% of stainless steel grades. Strength varies by condition: see the 5 listed tempers.
Is 1.4567 +C850 easy to machine?
Not especially — machinability is rated fair (38/100, better than 63% of stainless steel grades). Gummy and work-hardening like 304 (≈45 % of 1212): use sharp positive-rake carbide, heavy positive feed, rigid setup and flood coolant; avoid dwelling.
Can 1.4567 +C850 be welded?
Yes — weldability is rated good (68/100). Low carbon means no post-weld anneal needed for thin sections; GTAW/GMAW/resistance welding with 308L/347 filler, keep heat input low because 3–4 % Cu increases hot-cracking sensitivity.
What surface finishes work on 1.4567 +C850?
Passivate per ASTM A967 or electropolish after forming; takes a good bright polish and is readily plated (Ni/Zn-Ni) or PVD coated; not anodisable.
Can 1.4567 +C850 be formed, bent or molded?
Best-in-class cold heading and multi-station upsetting: low work-hardening rate allows severe upset ratios and deep drawing with minimal interstage annealing; keep tools well lubricated.
What is the maximum service temperature of 1.4567 +C850?
1.4567 +C850 is rated for continuous use to about 550°C (1,022 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 1.4567 +AT and 1.4567 A2-70?
+AT is the default condition — default supply condition for cold-heading wire and deep-drawing stock: softest, most ductile, fully austenitic and non-magnetic. A2-70: finished screws/bolts cold-headed from 1.4567 wire and certified to ISO 3506 class A2-70 (700 MPa min UTS). Yield strength is 210 MPa in +AT versus 500 MPa in A2-70.
Sources
- EN 10088-3 — Stainless steels, semi-finished products, bars, rods — CEN (2014)
- EN 10263-5 — Steel rod, bars and wire for cold heading: stainless steels — CEN (2017)
- ASTM A493 — Stainless Steel Wire and Wire Rod for Cold Heading and Cold Forging — ASTM (2022)
- ISO 3506-1 — Fasteners, mechanical properties of corrosion-resistant stainless steel fasteners — ISO (2020)
- 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)
- Cold-heading stainless wire datasheets for 302HQ / XM-7 / 1.4567 — Various wire producers (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.