Korean Client Sources Stainless Steel Round Bar Grade 1.4021 / AISI 340 with Custom Cut Lengths
Published On: September 24, 2026
Korean Client Sources Stainless Steel Round Bar – Grade 1.4021 / AISI 340 with Custom Cut Lengths
A Korean industrial distributor approached us with a clear requirement: a dependable supply of Stainless Steel Round Bar in Grade 1.4021 / AISI 340 for its machining and fabrication customers. After reviewing samples, specifications, and certifications, the client placed an order covering multiple diameters and custom cut lengths — and the material was delivered on schedule with full quality documentation.
Client Background
The client is a steel and metal distributor based in South Korea, serving machining shops, fabricators, and equipment builders across the region. Its customers demand consistent material quality, precise dimensional tolerances, and reliable lead times, since any deviation can disrupt production downstream. The distributor needed a supplier capable of handling both standard and customized stainless steel bars at scale.
The Challenge
- Requirement for Grade 1.4021 / AISI 340 martensitic stainless steel with verified chemical and mechanical properties
- Multiple diameters spanning peeling, cold-drawn, and forged bar ranges
- Custom cut lengths, surfaces, and tolerances for machining applications
- Demand for full certifications, consistent quality, and dependable delivery windows
- Need for a partner that could scale quantities and offer OEM/ODM flexibility
The Solution
We supplied Stainless Steel Round Bars in Grade 1.4021 / AISI 340, manufactured through hot rolling, cold rolling, cold drawing, and forging to match the client's exact specifications. Every batch was produced to leading standards and shipped with complete inspection records.
Key capabilities delivered to the Korean client:
- Wide Diameter Range: Peeling bar 16–180 mm, cold-drawn bar 4.76–120 mm, and forged bar 180–400 mm.
- Multiple Shapes: Round bar as standard, plus angle, channel, square, flat, I/H, hexagonal bars, and custom profiles on request.
- Broad Material Grades: 201, 202, 301, 302, 304, 304L, 310S, 316, 316L, 321, 430, 430A, 309S, 2205, 2507, 2520, 410, 440, 904L, and customized options.
- Standards Compliance: ASTM, JIS, GB, AISI, DIN, BS, and EN.
- Certifications: ISO 9001, BV, and SGS for documented quality assurance.
- Customization: Thickness, width, length, color, standard, and material adapted to customer requirements.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | Stainless Steel Bar / Rod |
| Material Grade | 1.4021 / AISI 340 (among 20+ grades) |
| Available Shapes | Round, Angle, Channel, Square, Flat, I/H, Hexagonal & custom profiles |
| Outer Diameter (OD) | Peeling Bar 16–180 mm; Cold Drawn 4.76–120 mm; Forged 180–400 mm |
| Manufacturing Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged |
| Standards | ASTM, JIS, GB, AISI, DIN, BS, EN |
| Certifications | ISO 9001, BV, SGS |
| Packaging | Industry standard packaging or according to client requirements |
| Surface Finish | Bright, peeled, ground, or as specified |
Quality Control & Certifications
Quality begins at the mill and continues through inspection and packing. Each order is checked for chemical composition, mechanical properties, and dimensional accuracy, and is supported by ISO 9001, BV, and SGS certifications. The client received full mill test certificates and inspection reports with the shipment, enabling smooth onward supply to its own customers.
Results & Benefits
- Delivered the exact 1.4021 / AISI 340 grade with verified composition and tolerances.
- Custom cut lengths and surfaces reduced downstream machining waste.
- Complete certifications simplified the client's own quality documentation.
- Flexible diameter and shape options allowed one supplier to cover multiple product lines.
- On-time delivery kept the distributor's customers supplied without interruption.
Conclusion
This Korean project shows how a broad product range, strict quality control, and real customization can serve demanding distributors. Whether the requirement is a single grade such as 1.4021 / AISI 340 or a mixed shipment of round, forged, and cold-drawn bars, we provide consistent stainless steel supply with documented quality and reliable delivery to customers worldwide.
