stainless steel square rod
- stainless steel square rod
Stainless steel square bar is a bar with a square cross section, usually made of austenitic stainless steel (such as 304, 316) or martensitic stainless steel (such as 410, 420).
It has excellent corrosion resistance, high strength and good processing performance, and is suitable for manufacturing mechanical parts, structural parts and decorative parts.
stainless steel square rod product description
| Material: | stainless steel square rod | Certificate | ASTM A638、AMS 5525、AMS 5731. |
| Shape: | Square stick | Standard: | ASTM A276、ASTM A479、JIS G4303、GB/T 1220 |
| Diameter range:： | 5mm-300mm. | Length: | 1000mm-6000mm (custom lengths available) |
| 304 stainless steel bar： | Specifications: diameter 5mm-200mm | 316 stainless steel bar | Specification: diameter 6mm-100mm |
| 201 stainless steel bar: | Specification: diameter 3mm-80mm | 430 stainless steel bar | Specification: diameter 3mm-120mm |
| 420 stainless steel bar: | Specification: diameter 3mm-150mm | 904L stainless steel bar | Specification: diameter 6mm-80mm/td> |
| 630 stainless steel bar: | Specification: diameter 10mm-300mm | 303 stainless steel bar | Specification: diameter 3mm-80mm |
| 321 stainless steel bar | Specification: diameter 6mm-100mm | 316L stainless steel bar | Specification: diameter 6mm-100mm |
stainless steel square rod physical properties and chemical composition
The chemical composition of stainless square bar is the basis of their excellent performance
| element | Fe | Cr | Ni | Mo | C | Mn | Si | P | S |
| 304 (%) | balance | 18.0 – 20.0 | 8.0 – 10.5 | – | ≤0.08 | ≤2.0 | ≤1.0 | ≤0.045 | ≤0.03 |
| 316 (%) | balance | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | ≤0.08 | ≤2.0 | ≤1.0 | ≤0.045 | ≤0.03 |
Stainless steel square bars have excellent mechanical properties：
| Performance | 304 | 316 | Test Standards |
| Tensile Strength | ≥515 MPa | ≥515 MPa | ASTM A276 |
| Yield Strength | ≥205 MPa | ≥205 MPa | ASTM A276 |
| Elongation | ≥40% | ≥40% | ASTM A276 |
| Hardness | ≤90 HRB | ≤90 HRB | ASTM E18 |
| Impact Toughness | ≥100 J | ≥100 J | ASTM A370 |
| Density | 7.93 g/cm³ | 7.98 g/cm³ |
Physical properties of stainless steel square bars::
| Performance | 304 | 316 |
| Density | 7.93 g/cm³ | 7.98 g/cm³ |
| Melting Point | 1399°C – 1427°C | 1371°C – 1399°C |
| Thermal Expansion | 17.3 μm/m·°C (20°C-100°C) | 16.5 μm/m·°C (20°C-100°C) |
| Thermal Conductivity | 16.2 W/m·K (100°C) | 16.3 W/m·K (100°C) |
| Electrical Resistivity | 0.72 μΩ·m (20°C) | 0.74 μΩ·m (20°C) |
| Magnetic Permeability | 1.02 | 1.02 |
stainless steel square rod Product Specification and Size
| No | GB | JIS | ASTM | UNS | KS | BSEN | AS | CNS |
|---|---|---|---|---|---|---|---|---|
| 1 | 12Cr17Mn6Ni5N | SUS201 | 201 | S20100 | STS201 | 1.4372 | 201-2 | 201 |
| 2 | 12Cr18Mn9Ni5N | SUS202 | 202 | S20200 | STS202 | 1.4373 | – | 202 |
| 3 | 12Cr17Ni7 | SUS301 | 301 | S30100 | STS301 | 1.4319 | 301 | 301 |
| 4 | 06Cr19Ni10 | SUS304 | 304 | S30400 | STS304 | 1.4301 | 304 | 304 |
| 5 | 022Cr19Ni10 | SUS304L | 304L | S30403 | STS304L | 1.4306 | 304L | 304L |
| 6 | 06Cr19Ni10N | SUS304N1 | 304N | S30451 | STS304N1 | 1.4315 | 304N1 | 304N1 |
| 7 | 06Cr19Ni9NbN | SUS304N2 | 304N2 | S30452 | STS304N1 | – | 304N2 | 304N2 |
| 8 | 022Cr19Ni10N | SUS304LN | 304LN | S30453 | STS304LN | – | 304LN | 304LN |
| 9 | 10Cr18Ni12 | SUS305 | 305 | S30500 | STS305 | 1.4303 | 305 | 305 |
| 10 | 06Cr23Ni13 | SUS309S | 309S | S30908 | STS309S | 1.4833 | 309S | 309S |
| 11 | 06Cr25Ni20 | SUS310S | 310S | S31008 | STS310S | 1.4845 | 310S | 310S |
| 12 | 06Cr17Ni12Mo2 | SUS316 | 316 | S31600 | STS316 | 1.4401 | 316 | 316 |
| 13 | 06Cr17Ni12Mo2Ti | SUS316Ti | 316Ti | S31635 | – | 1.4571 | 316Ti | 316Ti |
| 14 | 022Cr17Ni12Mo2 | SUS316L | 316L | S31603 | STS316L | 1.4404 | 316L | 316L |
| 15 | 06Cr17Ni12Mo2N | SUS316N | 316N | S31651 | STS316N | – | 316N | 316N |
| 16 | 022Cr17Ni13Mo2N | SUS316LN | 316LN | S31653 | STS316LN | 1.4429 | 316LN | 316LN |
| 17 | 06Cr18Ni12Mo2Cu2 | SUS316J1 | – | – | STS316J1 | – | 316J1 | 316J1 |
| 18 | 06Cr18Ni11Ti | SUS321 | 321 | S32100 | STS321 | 1.4541 | 321 | 321 |
| 19 | 06Cr18Ni11Nb | SUS347 | 347 | S34700 | STS347 | 1.4500 | 347 | 347 |
| 20 | 10Cr17 | SUS430 | 430 | S43000 | STS430 | 1.4016 | 430 | 430 |
stainless steel square rod Product packaging and loading
For a stainless steel square rod packaging: Standard packing for export with waterproof protection.
Other packaging can be customized according to customer requirements.
Port:Shanghai port or Qingdao port
Lead Time:
| Quantity (Tons) | 1-5 | 6-20 | 21-100 | >100 |
| Est.Time (days) | 3 | 15 | 30 | negotiated |
Available thicknesses of sstainless steel square rod:
stainless steel square rods have a wide range of side lengths, which Walmay Steel can customize according to customer needs:
Small size square bars: 5mm-20mm, suitable for precision parts and machining.
Medium size square bars: 20mm-100mm, suitable for general industrial applications.
Large size square bars: 100mm-300mm, suitable for heavy equipment and structural parts.
stainless steel square rod classification:
Austenitic ss square bars: such as 304 and 316, have good corrosion resistance and are suitable for most environments.
Martensitic ss square rods: such as 410 and 420, have high hardness and are suitable for wear-resistant parts.
Ferritic stainless square rods: such as 430, have low cost and are suitable for general use.
Application of sstainless steel square rod:
12mm square bars are widely used in the following fields:
Machinery manufacturing: used to manufacture mechanical parts, shaft parts and structural parts.
Architectural decoration: used to manufacture building curtain walls, railings, doors and windows and decorative parts.
Medical equipment: used to manufacture surgical instruments, medical containers and laboratory equipment.
Automobile manufacturing: used to manufacture exhaust systems and fuel systems.
STAINLESS bar
Why Choose Walmay Steel for stainless steel square rod?
1. Precision processing technology: Advanced rolling and heat treatment processes are used to ensure the dimensional accuracy and surface quality of the square bar.2. We have sufficient stainless steel square bar stock, which can quickly respond to customer needs and support small batch customization and large batch orders.
3. Competitive stainless steel square bar price: Through large-scale production and efficient supply chain management, we provide customers with cost-effective products.
4. Perfect after-sales service: We provide full-process services from pre-sales consultation to after-sales tracking to ensure that customers have no worries.
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FAQ
Walmay Steel provides stainless steel square bars to customers with product specifications
Material: 304, 304L, 316, 316L, 321, 347, etc.
Standard: ASTM A276, ASTM A479, JIS G4303, GB/T 1220
Shape: square bar
Side length range: 5mm-300mm
Length range: 1000mm-6000mm (custom lengths are available)
Raw material preparation: Select high-quality stainless steel billets to ensure that the chemical composition meets the standards.
Hot rolling or cold drawing: The billets are processed into square bars through hot rolling or cold drawing.
Solution treatment: The square bars are heated to 1010°C-1120°C and then quickly cooled to eliminate internal stress and improve corrosion resistance.
Surface treatment: Bright annealing, wire drawing, sandblasting or polishing are performed according to customer needs.
We offer a variety of surface treatments including bright annealing, brushing, sandblasting and polishing.
Contact us for a stainless steel quote
If you have any questions, please use the form below to send us a message or contact Walmay Metal’s office location.
