ASTM A240/A240M Standard Stainless Steel Round Bar with High Corrosion Resistance and Precision Machinability
Basic Properties
Place of Origin:
Other
Brand Name:
Factory Direct Supply
Certification:
ISO 9001
Model Number:
304 304l 316 316l 303 420
Trading Properties
Minimum Order Quantity:
1
Price:
negotiable
Payment Terms:
T/T
Supply Ability:
Adequate production
Product Summary
ASTM A240 certified 304/316 stainless steel bright round bars. High corrosion resistance, precision dimensions, excellent machinability. Ideal for fasteners, shafts, and mechanical parts. ISO 9001 certified with custom cutting available.
Product Details
Highlight:
304 Stainless Steel Bright Round Bars
,316 Stainless Steel Bright Round Bars
,ASTM A240 Stainless Steel Round Bars
Product Name:
Stainless Steel Bar Rod
Standard:
AiSi
Color:
Silver
Shape:
Round
Type:
Stainless Steel Bars
Grade:
Stainless Steel
Section Shape:
Round
Advantage:
High Corrosion Resistance
Product Description
ASTM A240 A240M 304 316 Stainless Steel Bright Round Bars For Fasteners Shafts
Product Overview
We supply premium ASTM A240 / A240M standard stainless steel bright round bars, available in grade 304 and 316. Manufactured by professional hot rolling, cold drawing and precision bright finishing, these solid round steel rods feature smooth bright surface, high dimensional accuracy, stable mechanical performance and excellent machinability. Perfectly applicable for manufacturing fasteners, shafts, bolts, nuts, pins, mechanical parts, equipment fittings and custom machined components. Factory direct supply, full specifications, strict quality inspection and full compliance with ASTM international standards.
Product Specifications
| Product Name | Stainless Steel Bar Rod | Flat Bar Size | Customized |
|---|---|---|---|
| Tolerance | ±1% | Length | Customized |
| Certification | ISO 9001 | Round Bar Size | Customized |
| Material | Stainless Steel Material | Grade | 300 Series |
| Type | Round | Application | Construction |
| Delivery Time | 8-14 days | Surface | Polished |
Product Details
304 Stainless Steel Bright Round Bar
- Standard: ASTM A240 / A240M
- Main Composition: Cr 18.00-20.00%, Ni 8.00-12.00%, C ≤0.08%, Mn ≤2.00%, Si ≤1.00%
- Features: General austenitic stainless steel, non-magnetic, good ductility, easy cutting and forming, excellent atmospheric and fresh water corrosion resistance.
316 Stainless Steel Bright Round Bar
- Standard: ASTM A240 / A240M
- Main Composition: Cr 16.00-18.00%, Ni 10.00-14.00%, Mo 2.00-3.00%, C ≤0.08%
- Features: Added molybdenum element, greatly improved chloride resistance, salt spray and seawater corrosion performance, better than 304; suitable for humid, coastal and chemical mild corrosive environment.
Core Physical & Mechanical Properties
Surface Finish
Bright polished surface, mirror bright finish, no oxide scale, no crack, no rust spot, uniform luster, clean and burr-free, easy for subsequent polishing, threading and machining.
Dimensional Tolerance
Strictly follow ASTM A240/A240M tolerance standard; roundness straightness high precision; diameter tolerance ±0.02mm~±0.05mm; straightness ≤1.0mm/m, no bending, convenient for automatic lathe processing.
Mechanical Performance
- Tensile Strength: ≥515 MPa
- Yield Strength: ≥205 MPa
- Elongation: ≥40%
- Hardness: HB ≤201 / HRB ≤92
High strength and toughness, not easy to deform, fracture or wear under long-term load.
Machinability & Weldability
Excellent cutting, turning, drilling, tapping performance; good weldability, no crack after welding; easy to process into all kinds of fasteners, shafts, pins and mechanical structural parts.
Corrosion & Temperature Resistance
- Good anti-rust, anti-oxidation performance in normal atmospheric and indoor environment
- 316 grade resists salt spray, seawater, weak acid and alkali corrosion
- Stable performance under normal and medium high temperature working conditions, not easy to soften and deform
Specifications Range
- Type: Solid Bright Round Bar / Stainless Steel Round Rod
- Diameter: 2mm - 200mm customizable
- Length: 1000mm, 2000mm, 6000mm fixed length or custom cut
- Process: Cold drawn bright, centerless grinding, precision straightening
- Custom service: Cutting, chamfering, threading, polishing as required
Production & Quality Standard
- Fully comply with ASTM A240 / A240M international standard
- Strict raw material inspection, chemical composition analysis, mechanical property test, surface and dimension full inspection
- Support third-party testing, provide mill test certificate (MTC), inspection report
- Non-destructive flaw detection to ensure no internal crack and impurity
Application Scope
Specially ideal for manufacturing:
- Fasteners: Bolt, nut, screw, stud, rivet
- Mechanical transmission parts: Shaft, pin, spindle, gear shaft
- Machinery equipment structural parts, valve parts, pump shaft
- Automotive accessories, engineering machinery fittings
- Coastal equipment, environmental protection equipment, food machinery parts
- Custom precision machined components
Product Advantages
ASTM A240/A240M standard compliant
304 / 316 two common grades for choice
Bright mirror surface, high precision size
Good machinability for fastener and shaft making
High corrosion resistance, long service life
Factory price, full stock, custom cutting available
Overall Rating
5 star
100%
4 star
0
3 star
0
2 star
0
1 star
0
All Reviews
-
DThe Grade 630 stainless steel bars exceeded our expectations in both machining performance and mechanical properties. The precision tolerance was excellent, and every shipment arrived on schedule. We will continue working with this supplier.
-
RWe sourced ASTM A564 17-4PH stainless steel bars for aerospace components requiring high strength and excellent dimensional stability. The material quality was outstanding, with consistent hardness and complete mill test certificates. A highly dependable supplier.
Mr. Deng
- Email: judesteel@juqing.hk
- Tel: 86-19033681875
- WhatsApp: 8619033681875
-
WeChat:
13519167008
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