Steel 1017-HR (Hot rolled)
Supply condition
AISI/SAE 1017 · UNS G10170
Lowest-cost general condition for welded frames, brackets and parts that will be machined all over or subsequently heat treated.
Values for the HR condition
Other 1017 tempers and conditions
1017 is listed in 6 conditions; see the grade overview at 1017.
Compare all 6 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Solution annealed | Softest condition, chosen before severe cold forming, deep drawing or cold heading. | 220 | 365 | 34 | 105 HB | — |
HRThis page Hot rolled | Lowest-cost general condition for welded frames, brackets and parts that will be machined all over or subsequently heat treated. | 235 | 380 | 26 | 111 HB | — |
Normalized | Refines grain and homogenises structure after forging or heavy welding; best balance of toughness and machinability before carburizing. | 285 | 425 | 32 | 121 HB | — |
Cold Drawn, stress relieved | Use when cold-drawn bar must be machined asymmetrically or deep-drilled without bowing from residual stress. | 330 | 415 | 20 | 121 HB | — |
CDDefault Cold drawn | Standard stock condition for shafts, pins and screw-machine parts needing close tolerance, bright finish and higher strength. | 370 | 435 | 15 | 126 HB | — |
Carburized & Quenched | Pick when a wear-resistant hard skin (58–62 HRC) over a tough, unhardened core is needed — gears, pins, cams, bushings. | 400 | 590 | 17 | 60 HRC | — |
What is 1017-HR?
1017-HR is 1017 supplied in the HR condition — lowest-cost general condition for welded frames, brackets and parts that will be machined all over or subsequently heat treated. 1017-HR has a yield strength of 235 MPa (34.1 ksi) and a tensile strength of 380 MPa (55.1 ksi) — weaker than 96% of steel grades. Elongation at break is 26% and the elastic modulus is 200 GPa (29 Msi). 1017-HR has a density of 7.87 g/cm³ (0.284 lb/in³), heavier than 92% of steel grades. It melts at 1,495°C (2,723 °F). CD is the default condition FabDigit quotes; HR is available on request or by drawing note.
Advantages
- Readily welded — 95/100, better than 97% of steel grades
- Conducts heat well — 51.9 W/m·K (30 BTU/hr·ft·°F), better than 96% of steel grades
- High electrical conductivity — 10.8 % IACS, better than 94% of steel grades
- Forms and bends easily — 80/100, better than 93% of steel grades
- Ductile — tolerates forming and impact — 26%, better than 82% of steel grades
Limitations
- Low strength — 235 MPa (34.1 ksi), worse than 96% of steel grades
- Hard to polish — 40/100, worse than 96% of steel grades
1017-HR properties
Typical room-temperature values for 1017-HR; 15 are specific to this condition. Other listed values are 1017 reference data and may not represent this condition. Bars are the position among steel grades.
Physical3
1017-HR has a density of 7.87 g/cm³ (0.284 lb/in³), heavier than 92% of steel grades. It melts at 1,495°C (2,723 °F).
Mechanical16
1017-HR has a yield strength of 235 MPa (34.1 ksi) and a tensile strength of 380 MPa (55.1 ksi) — weaker than 96% of steel grades. Elongation at break is 26% and the elastic modulus is 200 GPa (29 Msi).
Thermal6
1017-HR is rated for continuous service to 400°C (752 °F). It conducts heat at 51.9 W/m·K (30 BTU/hr·ft·°F), better than 96% of steel grades. Thermal expansion is 11.9 µm/m·K (6.61 µin/in·°F).
Electrical3
1017-HR conducts electricity at 10.8 % IACS, better than 94% of steel grades.
Chemical & Environmental3
Corrosion resistance is not recommended (10/100), worse than 86% of steel grades.
Sustainability4
Producing a kilogram of 1017-HR takes about 25 MJ of energy and emits 2 kg of CO₂ — less than 82% of steel grades. Typical recycled content is 30%.
Manufacturability6
1017-HR's machinability is fair (47/100, worse than 58% of steel grades); weldability excellent (95/100); formability very good (80/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 1017-HR
Is 1017 easy to machine?
Gummy in the annealed state — machine cold-drawn or normalized bar, use sharp positive-rake tools, high speed and generous coolant to avoid built-up edge; expect ~70% of 1212 rates.
Can 1017 be welded?
Excellent by SMAW/GMAW/GTAW/RSW with E70-class filler; carbon equivalent ~0.25 so no preheat needed below ~25 mm, and no post-weld heat treatment except for thick restrained joints.
Can 1017 be formed, bent or molded?
Very good cold formability — bends, cold heading, deep drawing and roll forming in annealed/hot-rolled temper; cold-drawn bar has reduced ductility and springback should be allowed.
What surface finishes work on 1017?
No corrosion resistance of its own: use zinc or zinc-nickel plating, phosphate + oil, black oxide, e-coat or paint; takes carburizing, nitrocarburizing and hard chrome well but polishes only to a moderate luster.
1017 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 |
|---|---|---|
| CSAE/AISI 1017, UNS G10170 | 0.15 – 0.2 | 0.17 |
| Mn | 0.3 – 0.6 | 0.45 |
| P | ≤ 0.04 | 0.02 |
| S | ≤ 0.05 | 0.03 |
| Sinot specified for bessemer/rimmed grades; killed steel typical | ≤ 0.35 | 0.2 |
| Fe | balance | — |
1017-HR — frequently asked
What is 1017-HR used for?
1017-HR is typically used for shafts, carburized gears, bolts and screws and structural brackets. In short: general-purpose case-hardening bar; weldable low-carbon workhorse; moderate strength, gummy to cut.
What is the yield strength of 1017-HR?
1017-HR has a typical yield strength of 235 MPa (34.1 ksi) and a tensile strength of 380 MPa (55.1 ksi) — weaker than 96% of steel grades. Strength varies by condition: see the 6 listed tempers.
Is 1017-HR easy to machine?
Reasonably — machinability is rated fair (47/100, worse than 58% of steel grades). Gummy in the annealed state — machine cold-drawn or normalized bar, use sharp positive-rake tools, high speed and generous coolant to avoid built-up edge; expect ~70% of 1212 rates.
Can 1017-HR be welded?
Yes — weldability is rated excellent (95/100). Excellent by SMAW/GMAW/GTAW/RSW with E70-class filler; carbon equivalent ~0.25 so no preheat needed below ~25 mm, and no post-weld heat treatment except for thick restrained joints.
What surface finishes work on 1017-HR?
No corrosion resistance of its own: use zinc or zinc-nickel plating, phosphate + oil, black oxide, e-coat or paint; takes carburizing, nitrocarburizing and hard chrome well but polishes only to a moderate luster.
Can 1017-HR be formed, bent or molded?
Very good cold formability — bends, cold heading, deep drawing and roll forming in annealed/hot-rolled temper; cold-drawn bar has reduced ductility and springback should be allowed.
What is the maximum service temperature of 1017-HR?
1017-HR is rated for continuous use to about 400°C (752 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 1017-CD and 1017-A?
CD is the default condition — standard stock condition for shafts, pins and screw-machine parts needing close tolerance, bright finish and higher strength. A: softest condition, chosen before severe cold forming, deep drawing or cold heading. Yield strength is 370 MPa in CD versus 220 MPa in A.
Sources
- ASTM A29/A29M — Steel Bars, Carbon and Alloy, Hot-Wrought — ASTM International (2020)
- ASTM A108 — Steel Bar, Carbon and Alloy, Cold-Finished — ASTM International (2018)
- SAE J403 — Chemical Compositions of SAE Carbon Steels — SAE International (2014)
- ASM Handbook Vol.1 — Properties and Selection: Irons, Steels, and High-Performance Alloys — ASM International (1990)
- ASM Handbook Vol.4 — Heat Treating (carburizing of low-carbon steels) — ASM International (1991)
- Mysteel / SMM (2026)
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.