Steel Usibor 1500
EN 22MnB5
Usibor 1500 is the aluminium-silicon coated (AS80) commercial form of 22MnB5 boron-manganese press-hardening steel, supplied as sheet and tailor-welded blanks.
Usibor 1500 tempers and conditions
Usibor 1500 is supplied in one standard condition, PHS.
Supply forms, finishes and certifications
Ways Usibor 1500 is supplied — form, process route, surface or paperwork — without a datasheet of their own. The property values above apply.
| Option | What it is | Type |
|---|---|---|
AluminizedDefault | Aluminized | Coating |
AS80 | Thin Al-Si coating (approx. 80 g/m² total), as-delivered | Coating |
Uncoated | Bare 22MnB5 | Coating |
What is Usibor 1500?
Usibor 1500 is the aluminium-silicon coated (AS80) commercial form of 22MnB5 boron-manganese press-hardening steel, supplied as sheet and tailor-welded blanks. As delivered it is soft and formable (400 MPa yield, 600 MPa tensile, 15 % elongation, 180 HB); after austenitizing and die quenching it converts to full martensite near 480 HV, which is why it is the de-facto standard for automotive body-in-white safety structures. Limits are the need for a hot-stamping line, hardened parts that cannot be conventionally machined, coating ablation before laser welding, and only modest corrosion resistance. Uncoated 22MnB5 is the alternative where scale removal by blasting is acceptable. Usibor 1500 has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,490°C (2,714 °F). Usibor 1500 has a yield strength of 400 MPa (58 ksi) and a tensile strength of 600 MPa (87 ksi) — weaker than 60% of steel grades. Elongation at break is 15% and the elastic modulus is 210 GPa (30.5 Msi).
What is Usibor 1500 used for?
- A- and B-pillar reinforcements
- Door impact beams
- Bumper beams
- Roof rails and side sills
- Tunnel and floor cross members
- Front and rear longitudinal rails
- Battery enclosure structural frames
Advantages
- Good corrosion resistance — 35/100, better than 97% of steel grades
Limitations
- Hard to polish — 40/100, worse than 96% of steel grades
- Poor heat conductor — 34 W/m·K (19.6 BTU/hr·ft·°F), worse than 77% of steel grades
Usibor 1500 properties
Typical room-temperature values in the Aluminized condition; bars are the position among steel grades.
Physical3
Usibor 1500 has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,490°C (2,714 °F).
Mechanical13
Usibor 1500 has a yield strength of 400 MPa (58 ksi) and a tensile strength of 600 MPa (87 ksi) — weaker than 60% of steel grades. Elongation at break is 15% and the elastic modulus is 210 GPa (30.5 Msi).
Thermal6
Usibor 1500 is rated for continuous service to 350°C (662 °F). It conducts heat at 34 W/m·K (19.6 BTU/hr·ft·°F), worse than 77% of steel grades. Thermal expansion is 12.5 µm/m·K (6.94 µin/in·°F).
Electrical3
Usibor 1500 conducts electricity at 8.6 % IACS, better than 66% of steel grades.
Chemical & Environmental3
Corrosion resistance is fair (35/100), better than 97% of steel grades.
Sustainability4
Producing a kilogram of Usibor 1500 takes about 30 MJ of energy and emits 2.4 kg of CO₂ — more than 56% of steel grades. Typical recycled content is 20%.
Manufacturability7
Usibor 1500's machinability is good (55/100, better than 62% of steel grades); weldability very good (70/100); formability good (55/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the steel family
Yield strength against density for every steel grade FabDigit runs. Usibor 1500 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with Usibor 1500
Is Usibor 1500 easy to machine?
Blank and pierce in the as-delivered soft state; after press hardening use laser cutting or CBN/ceramic hard trimming — conventional drilling/milling of 480 HV martensite is impractical.
Can Usibor 1500 be welded?
Resistance spot welding is production-proven (higher current/longer weld time than uncoated steel); for laser welding of blanks the Al-Si layer must be ablated to avoid brittle Fe-Al intermetallics in the fusion zone; avoid arc welding on hardened parts (HAZ softening).
Can Usibor 1500 be formed, bent or molded?
Direct hot stamping: austenitize 900–950 °C for 3–6 min, transfer in <10 s, form and quench in cooled dies at >27 °C/s to full martensite; springback is minimal but cooling-rate control drives final strength.
Manufacturability
The process limits FabDigit applies to Usibor 1500. Every Usibor 1500 part is priced by an engineer; design inside these and the quote comes back without a redesign loop.
Sheet metal
| Formability | Excellent55 / 100 |
|---|---|
| Weldability | Better70 / 100 |
Usibor 1500 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 |
|---|---|---|
| C22MnB5 base | 0.19 – 0.25 | 0.22 |
| Si | 0.15 – 0.4 | 0.25 |
| Mn | 1.1 – 1.4 | 1.25 |
| P | ≤ 0.03 | 0.01 |
| S | ≤ 0.01 | 0 |
| Albase metal, excluding Al-Si coating | 0.02 – 0.06 | 0.04 |
| Cr | 0.1 – 0.35 | 0.2 |
| Tiprotects boron from N | 0.02 – 0.05 | 0.04 |
| Bhardenability | 0 – 0.01 | 0 |
| N | ≤ 0.01 | 0.01 |
| Fe | balance |
What surface finishes work on Usibor 1500?
Al-Si coating tolerates phosphating/e-coat with adapted pretreatment; shot blasting of coated parts is not needed, cut edges and welds must be sealed/painted since the coating is not sacrificial.
Surface treatments FabDigit runs on steel parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
Plating
Black / Phosphate
Thermal Spray
Equivalent designations
Standards and trade names that resolve to Steel Usibor 1500 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- EN / DIN / Werkstoff-Nr.
- 22MnB5
- Also called
- Usibor
How much does Usibor 1500 cost?
Usibor 1500 is a standard-cost steel ($$), cheaper than about 61% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Usibor 1500 — frequently asked
What is Usibor 1500 used for?
Usibor 1500 is typically used for A- and B-pillar reinforcements, door impact beams, bumper beams, roof rails and side sills, tunnel and floor cross members and front and rear longitudinal rails. In short: aluminized hot-stamping boron.
What is the yield strength of Usibor 1500?
Usibor 1500 has a typical yield strength of 400 MPa (58 ksi) and a tensile strength of 600 MPa (87 ksi) — weaker than 60% of steel grades.
Is Usibor 1500 easy to machine?
Reasonably — machinability is rated good (55/100, better than 62% of steel grades). Blank and pierce in the as-delivered soft state; after press hardening use laser cutting or CBN/ceramic hard trimming — conventional drilling/milling of 480 HV martensite is impractical.
Can Usibor 1500 be welded?
Yes — weldability is rated very good (70/100). Resistance spot welding is production-proven (higher current/longer weld time than uncoated steel); for laser welding of blanks the Al-Si layer must be ablated to avoid brittle Fe-Al intermetallics in the fusion zone; avoid arc welding on hardened parts (HAZ softening).
What surface finishes work on Usibor 1500?
Al-Si coating tolerates phosphating/e-coat with adapted pretreatment; shot blasting of coated parts is not needed, cut edges and welds must be sealed/painted since the coating is not sacrificial.
Can Usibor 1500 be formed, bent or molded?
Direct hot stamping: austenitize 900–950 °C for 3–6 min, transfer in <10 s, form and quench in cooled dies at >27 °C/s to full martensite; springback is minimal but cooling-rate control drives final strength.
What is the maximum service temperature of Usibor 1500?
Usibor 1500 is rated for continuous use to about 350°C (662 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
How much does Usibor 1500 cost?
Usibor 1500 is a standard-cost steel ($$), cheaper than about 61% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Can FabDigit make parts in Usibor 1500?
Yes — Usibor 1500 is available for sheet metal; every part is priced by an engineer rather than instantly. Upload a STEP file to get a price and a DFM check.
Sources
- Usibor / press-hardenable steels for automotive body-in-white — ArcelorMittal (2023)
- EN 10083 / VDA 239-100 boron-alloyed press-hardening steel 22MnB5 — CEN / VDA (2016)
- ASM Handbook Vol.1 — Properties and Selection: Irons, Steels and High-Performance Alloys — ASM International (1990)
- ASM Handbook Vol.13B — Corrosion: Materials (coated steels) — ASM International (2005)
- WorldAutoSteel / Advanced High-Strength Steel Application Guidelines v7 (PHS) — WorldAutoSteel (2021)
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.