Products
Six core steel grades for shafts, rods, fasteners, wear applications, and heavy-duty industrial components.
JOTAIN supplies alloy steel round bars and medium carbon bar stock backed by premium steel mill access, jointly invested processing capacity, and export-ready execution. Our product range supports hydraulic systems, shaft applications, threaded components, grinding rods, heavy machinery, and general industrial processing.
Quote Preparation
Send a steel bar requirement for review.
Share the practical details first so material, delivery condition, processing route, inspection needs, and destination can be reviewed together.
- Grade or equivalent standard
- Diameter, length, and quantity
- Delivery condition and surface condition
- Application, inspection requirements, and destination
Buyer Details
Key supply details before quotation.
Review the main grade, application, processing, and inspection points first. Open the detailed notes only when deeper context is useful.
Portfolio focus
Stable supply, practical processing, export-ready support.
Grades are selected for strength, machinability, wear intent, and predictable delivery conditions.
Featured
42CrMo4 / ASTM 4140
QT alloy steel for hydraulic cylinders, wind shafts, and heavy-duty rotating parts.
Structural alloy
40Cr
General-purpose alloy structural steel for shafts, gears, bolts, and machine parts.
Carbon steel
CK45 / 1045
Medium carbon bar stock with good machinability and balanced wear resistance.
High strength
34CrNiMo6
Tough alloy steel used for gear shafts, heavy-duty shafts, and mining or oil & gas components.
Pressure grade
35CrMo
Cr-Mo alloy steel suitable for high-pressure equipment and fasteners.
Detailed source notes 23 more points
Wear grade
65Mn
High-carbon manganese steel commonly used for grinding rods and wear-related applications requiring hardness, toughness, and reliable heat-treatment response.
Supply Scope
From raw material bars to mature application-oriented products.
Depending on project requirements, JOTAIN can support supply at different stages, including raw material bars, heat-treated bars, semi-finished processed products, and mature application-oriented components.
Supply at different stages
Raw material round bars
Heat-treated bars
Processed bars
Semi-finished products
Mature application-oriented components
What buyers usually ask for
Diameter, length, and surface condition
Delivery condition such as QT, annealed, or normalized
Equivalent standard or grade matching
Testing and inspection expectations
Processing route and semi-finished supply requirements
Project destination and packing requirements
Inquiry
Send your grade, size, quantity, and delivery condition for a fast quote.
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