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{"title":"ASTM A240\/A240M Standard Stainless Steel Round Bar with High Corrosion","imgUrl":"https:\/\/img.chinax.com\/nimg\/03\/1e\/4248d9e341988fd412c8ff48d4fc-200x200-1\/astm_a240_2fa240m_standard_stainless_steel_round_bar_with_high_corrosion.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"304 304l 316 316l 303 420","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"High Corrosion Resistance Stainless Steel Square Bar with Customizable Size and","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/ae\/d5942e3b17092009264564540887-200x200-1\/high_corrosion_resistance_stainless_steel_square_bar_with_customizable_size_and_factory_direct_sales.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"316L","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"321 Grade Stainless Steel Bar with High Corrosion Resistance and Seamless Round","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/19\/b349ddfbd9421b241e550bdf22ce-200x200-1\/321_grade_stainless_steel_bar_with_high_corrosion_resistance_and_seamless_round_bar_for_heavy_industry.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"321","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"High Corrosion Resistance Round Shape ASTM A479 Standard Stainless Steel Bar and","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/a8\/7de473e0f05fda0fb67cdc65669c-200x200-1\/high_corrosion_resistance_round_shape_astm_a479_standard_stainless_steel_bar_and_rod.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"ASTM A479","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"High Hardness Corrosion Resistant Stainless Steel Rod and Round Bar ASTM A276","imgUrl":"https:\/\/img.chinax.com\/nimg\/a4\/74\/f0e315abeabc64fd895e2924c515-200x200-1\/high_hardness_corrosion_resistant_stainless_steel_rod_and_round_bar_astm_a276.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"ASTM A276\/A276M","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"Bright Surface Stainless Steel Round Bar with High Corrosion Resistance and","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/82\/f373c2ba3bb2b5a5aae2edf66667-200x200-1\/bright_surface_stainless_steel_round_bar_with_high_corrosion_resistance_and_customizable_sizes.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"301L, 301, 316Ti, 316, 410S, 314, 439, 904L, 429","Certification":"ISO 9001","Place of Origin":"Other"}}
{"title":"Precision Ground 316 Stainless Steel Rod Bar with High Corrosion Resistance for","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/0f\/8e8e7c2bca4af2f48bd56cf5b545-200x200-1\/precision_ground_316_stainless_steel_rod_bar_with_high_corrosion_resistance_for_medical_construction_application.jpg","attrs":{"Brand Name":"Factory Direct Supply","Model Number":"201\/304\/316\/410\/420\/416","Certification":"ISO 9001","Place of Origin":"Other"}}
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
