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Products Details

High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
High Hardness Solid Stainless Steel Round Bar for Custom Processing
Diameter: Custom Diameters Available
Length: Standard Length or Custom Cut
Material: Stainless Steel
Surface Finish: Bright, Polished, Black, Ground
Processing Capability: Grinding, Rolling, Cutting, Machining
Hardness Level: High Hardness Options Available
Production Method: Hot Rolled, Cold Drawn
Sales Model: Wholesale & Customized Manufacturing
Packaging: Protective Wrapping + Export Wooden Case
Minimum Order: 1 Ton
Applications: Shafts, precision parts, mechanical components, industrial equipment

Size

Customized

Material

310L
310
316L
316
430
304
304L
904L
Other(Customized)
Quantity:
库存: 0
Inquiry
Add to Basket

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 Product Description

This solid stainless steel round bar is designed for applications that require high hardness, strength, and reliable machining performance. Manufactured using advanced rolling and grinding processes, the rod provides stable dimensional accuracy and smooth surface quality, making it suitable for precision processing. Stainless steel material offers excellent corrosion resistance and mechanical stability for long-term industrial use.

In addition, the round bar supports customized processing services, including cutting, grinding, rolling, and machining, which helps meet different engineering and production requirements. Therefore, it is widely used in shafts, precision components, mechanical parts, industrial equipment, and structural assemblies. Multiple diameters, surface finishes, and hardness options are available. Stable wholesale supply, strict quality control, and export-grade packaging ensure consistent quality and reliable delivery for global customers.

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 Product Packaging

steel package

Standard wooden box packaging

steel package

Standard wooden box packaging

steel package

Standard wooden box packaging


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 Comment & FAQ

1. who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(40.00%),South America(30.00%),Africa(20.00%),Mid East(10.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Stainless Steel Pipe,stainless steel plate,galvanized sheet,color coated coil,Steel Round Bars

4. why should you buy from us not from other suppliers?
we are steel manufacturer and also owning a trading company, we focu ourself in the steel local and overseas marketing sales.  Strengthened itself by Integrated producing, storage and logistic all together

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,PayPal;
Language Spoken:English,Chinese

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 Company Profile

Haihong (Jiangsu) Steel International Trading Co., Ltd. is a comprehensive enterprise integrating production and foreign trade, with a deep commitment to the metal products industry. The company occupies a modern production base of approximately 1,000 mu and has a professional workforce of over 500 employees. Supported by its strong production capabilities and professional service team, the company specializes in a diverse range of metal products, including stainless steel plates, color-coated steel coils, aluminum plates, stainless steel pipes, stainless steel profiles, etc.


Upholding the principle of "customer first", the company provides personalized customization services. From product design to production and delivery, every step is strictly monitored to ensure the creation of high-quality products that meet the specific requirements of global customers. With its excellent product quality and good business reputation, the company has continuously expanded its business scope and won wide recognition and trust from customers at home and abroad. In the future, Haihong Steel will continue to forge ahead, drive development through innovation, and inject new vitality into the global metal products market.

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 Production Process

steel processing

Smelting

steel processing

Cutting

steel processing

Moulding

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 Certifications

质量认证-不锈钢彩钢卷生成与销售


质量认证-不锈钢无缝管


质量认证-金属制品


质量认证-冷轧不锈钢卷板钢

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 Data Sheet

product
301 301L 316L 430 904L 304 304 Value Flat bar 304 Stainless Steel bar
Standard
ASTM A479,ASTM A276,ASTM A484, ASTM A582,
ASME SA276, ASME SA484, GB/T1220, GB4226, etc.
Material
301, 304, 304L, 309S, 321, 316, 316L, 317, 317L, 310S, 201,202
321, 329, 347, 347H 201, 202, 410, 420, 430, S20100, S20200, S30100, S30400, S30403, S30908, S31008, S31600, S31635, etc.
Specifications
Round bar
Diameter:0.1~500mm
Angle bar
Size:0.5mm*4mm*4mm~20mm*400mm*400mm
Flat bar
Thickness
0.3~200mm
Width
1~2500mm
Square bar

Size: 1mm*1mm~800mm*800mm
Length
2m, 5.8m, 6m, or as required.
Surface
Black, peeled, polishing, bright, sand blast, hair line, etc.


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 Optional Surface

stainless steel surface

General polishing

steel surface

Bright finish

steel surface

Matte polishing

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 Testing Quality

Stainless Steel Bar Quality Inspection and Testing Process

Stainless steel bar quality inspection is a critical process to ensure product reliability, safety, and long-term performance. High-quality stainless steel bars, including round bars, square bars, and hexagonal bars, must undergo strict inspection and testing procedures before delivery to meet international standards and customer requirements.

1. Visual Inspection of Stainless Steel Bars

Visual inspection is the first step in stainless steel bar quality control. The surface of stainless steel bars is carefully examined to ensure there are no visible defects, such as:

  • Cracks, folds, or scratches

  • Surface pits or pores

  • Uneven surfaces or damaged ends

This inspection helps ensure good surface quality and smooth processing performance.

2. Chemical Composition Analysis

Chemical composition testing is essential to confirm material grade and corrosion resistance. Using spectrometer analysis, the following elements are strictly controlled:

  • Chromium (Cr)

  • Nickel (Ni)

  • Carbon (C)

  • Molybdenum (Mo)

This process ensures stainless steel bars comply with international standards such as ASTM, AISI, DIN, and EN.

3. Mechanical Properties Testing

Mechanical testing verifies the strength and durability of stainless steel bars. Key tests include:

  • Tensile strength test

  • Yield strength test

  • Elongation test

  • Hardness test

These tests ensure stainless steel bars perform reliably in machining, structural, and industrial applications.

4. Dimensional and Tolerance Inspection

Precision measurement tools such as calipers and micrometers are used to inspect:

  • Diameter and length

  • Roundness and straightness

  • Dimensional tolerances

Accurate dimensional inspection ensures stainless steel bars meet customer specifications and machining requirements.

5. Non-Destructive Testing (NDT)

To detect internal defects, non-destructive testing may be performed, including:

  • Ultrasonic Testing (UT)

  • Eddy Current Testing (ET)

  • Magnetic Particle Testing (MT, where applicable)

NDT improves product reliability by identifying internal cracks or inclusions without damaging the material.

6. Importance of Stainless Steel Bar Quality Inspection

Strict stainless steel bar inspection and testing:

  • Ensures consistent product quality

  • Reduces application risks

  • Extends service life

  • Enhances customer confidence and brand reputation

It is especially important for stainless steel bars used in aerospace, automotive, construction, energy, and precision engineering industries.