Automotive Steel
- Forged and machined vehicle parts
- φ13–200 mm material diameter
- Grades: 38MnVS6, C70S6, C38N2, 42CrMoH, 40Cr
- Other specified grades are also available.
Automotive · Material to component
Automotive steel & prepared component blanks.
Steel stock, shaft and gear blanks, pins and drawing-defined axles. Start with the supplied material. Specify the next operation.
SUPPLIED FORMS · FOREGROUND PREPARATION RACK
Vehicle = end-use context · connectors identify supplied stock on the rack · independent scales
Explore supplied forms
Hover or focus a blank to locate it on the preparation rack. Tap to hold.
Review supply details ↗From steel family to supply form.
Published material ranges. Finished dimensions and component suitability follow the agreed specification.
Gear Steel
- Gears and transmission parts
- φ20–180 mm material diameter
- Grades: SAE8620H, SAE8622H, 16MnCr5, 20MnCr5, 20CrMoH, 22CrMoH, SCM420H, 20CrMnTi series
Non-QT Free-Cutting Steel
- F45MnVS for parts made by your specified non-QT process.
- φ13–200 mm material diameter
- Grades: F45MnVS
- Supplied for your specified non-QT process.
Bearing Steel
Bearing-steel stock
- Round-bar supply for bearing-component manufacture.
- This is material stock, not a finished wheel hub assembly.
- Bearing component manufacturing
- φ12–150 mm material diameter
- Grades: GCr15, GCr15SiMn, GCr18Mo, 55R, 65MnHX, S55C, SAE1055
Prepared stock & drawing-defined parts
Shaft blank
- Rough stepped blank with machining allowance.
- Select the delivery condition, drawing revision and inspection basis.
Gear blank
- Prepared blank for tooth cutting and final finishing.
- Finished gear geometry follows the purchaser drawing.
Pin blank
- Plain prepared pin blank for the next machining operation.
- Finished fits and retention features are drawing-defined.
- Cut & Finished Stock — Hot rolled or forged stock, with cutting, peeling, turning, grinding, straightening and end preparation.
- Shaft & Gear Blanks — Shaft blanks, gear blanks and cut or machined blanks prepared for your next operation.
- Axles — Axles made to customer drawings and technical requirements.
- Pins & Fastener Materials — Pins, pin blanks and bar or blank material for bolts and studs.
Application and blank-preparation reference
Built around automotive manufacturing.
Shaft & axle preparation
Shaft and axle blank preparation.
Cutting, turning, grinding and end preparation for your next operation.
Agree allowance, straightness, delivery condition and inspection before blank preparation.
Explore shaft-bar supply ↗01Requirements
Grade, quantity and supply condition
02Drawing & route review
Allowances, fits and processing scope
03Inspection & records
Agreed tests and traceability
04Packing & delivery
Protection, marking and destination
Material to component
Processing & inspection.
See our steel-processing and inspection operations. Tests, acceptance criteria and records are agreed for each order.
Project specifications
What to include in your drawing and material specification.
Technical resources ↗Material standard & delivery condition
Specify the grade standard and edition, size, delivery condition, non-QT route where applicable, and permitted substitutions. A listed material family does not establish finished-component qualification.
Drawing, allowance & acceptance
Include drawing revision, stock and finished dimensions, machining allowance, straightness, fits, surface finish, heat treatment and acceptance limits.
Inspection & traceability
Agree chemistry, mechanical properties, hardenability, cleanliness, microstructure or NDT as required, with sampling, batch traceability and delivery records.
Quality & documents ↗Choose a supply form, then send your drawing, quantity and destination.
Photo crops: Engine production in Mianyang — Tangray-nick, CC BY-SA 4.0; Porsche-gearbox-cutaway — BerndB, brightened by Geek3, CC BY-SA 3.0; Chassis — dave_7, CC BY 2.0. Resized and cropped; adapted photos retain these licenses. No manufacturer endorsement implied.
Illustrative anatomy: SKF wheel-hub overview and Dana/Spicer drivetrain component nomenclature. No OEM compatibility, assembly qualification or complete-vehicle supply is asserted.
Illustrative anatomy: SKF wheel-hub overview and Dana/Spicer drivetrain component nomenclature. No OEM compatibility, assembly qualification or complete-vehicle supply is asserted.
Grades, sizes and prepared parts
GRADES & SIZES
Find Your Steel Grade and Size
| Product & Use | Steel Diameter | Available Grades |
|---|---|---|
Automotive SteelForged and machined vehicle parts Enquire | φ13–200 mm |
Other specified grades are also available. |
Gear SteelEnquire | φ20–180 mm |
|
Non-QT Free-Cutting SteelF45MnVS for parts made by your specified non-QT process. Enquire | φ13–200 mm |
Supplied for your specified non-QT process. |
Bearing SteelBearing component manufacturing Enquire | φ12–150 mm |
|
Diameters shown are for steel material. Cut lengths, delivery condition and finished dimensions follow your drawings and technical requirements.
Prepared parts and order requirements
PROCESSING & COMPONENTS
Need Prepared Stock or Parts?
Choose steel stock, prepared blanks or parts made to your drawings.
Cut & Finished Stock
Hot rolled or forged stock, with cutting, peeling, turning, grinding, straightening and end preparation.
EnquireShaft & Gear Blanks
Shaft blanks, gear blanks and cut or machined blanks prepared for your next operation.
EnquireAxles
Axles made to customer drawings and technical requirements.
EnquirePins & Fastener Materials
Pins, pin blanks and bar or blank material for bolts and studs.
EnquireMaterial Standard & Edition
Material standard and edition; any required grade substitution.
Delivery & Process Condition
Heat treatment if required, non-QT process details, surface finish and machining allowance.
Drawing, Interfaces & Tolerances
Drawing revision, fits, interfaces, straightness and dimensional tolerances.
Inspection & Documents
Required chemistry, mechanical, hardenability, microstructure, cleanliness or NDT checks; sampling, acceptance limits, heat/batch traceability and records.
Packing & Marking
Bundle limits, corrosion or end protection, labels and marking.
.jpg){kind=link}
Discuss your project
Send your requirements directly to JOTAIN. We will reply to your email.