Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
View Detail Information
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | TP316L Bright Annealed Stainless Steel Tube ，TP304 Bright Annealed Stainless Steel Tube | ||
Bright annealed stainless steel tube is manufactured through a specialized heat treatment process performed in a controlled atmosphere furnace (hydrogen or vacuum). This process produces a clean, oxide-free, bright surface without the need for pickling or post-treatment. The result is a tube with excellent surface finish, improved corrosion resistance, and superior mechanical properties.
| Parameter | Details |
|---|---|
| Applicable Standards | ASTM A213, ASTM A269, EN 10216-5, EN 10305-1, JIS G3459 |
| Common Grades | TP304 / 304L, TP316 / 316L, TP321, TP310S, Duplex 2205 |
| OD Range | 1.6mm – 101.6mm (1/16″ to 4″) |
| Wall Thickness Range | 0.5mm – 6mm |
| Length | Up to 12m straight lengths, or coils |
| Construction Type | Seamless (SMLS) or Welded & Drawn (W&D) |
| Process | Cold drawn / Cold rolled → Bright annealing (H₂ or vacuum furnace) |
| Surface Finish | Bright annealed (mirror-like, oxide-free) |
| Surface Roughness | Ra ≤ 0.4μm (customizable to Ra ≤ 0.2μm) |
| Delivery Condition | Bright annealed – ready for use |
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| TP304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-11.0 | – |
| TP304L | ≤0.035 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-12.0 | – |
| TP316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| TP316L | ≤0.035 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| TP321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 17.0-19.0 | 9.0-12.0 | – |
Full mill test reports (MTR) available for all grades.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRB / HV) |
|---|---|---|---|---|
| TP304 | ≥515 | ≥205 | ≥35 | ≤90 HRB |
| TP304L | ≥485 | ≥170 | ≥35 | ≤90 HRB |
| TP316 | ≥515 | ≥205 | ≥35 | ≤90 HRB |
| TP316L | ≥485 | ≥170 | ≥35 | ≤90 HRB |
| TP321 | ≥515 | ≥205 | ≥35 | ≤90 HRB |
| Property | Bright Annealing | Conventional Annealing + Pickling |
|---|---|---|
| Surface Finish | Mirror-like, oxide-free | Matte, may have scale |
| Corrosion Resistance | Excellent (passive layer intact) | Good (pickling restores passive layer) |
| Post-treatment | None required | Pickling and/or passivation |
| Environmental Impact | Low (no acid bath) | Higher (acid waste disposal) |
| Cost | Higher initial, lower overall | Lower initial, higher post-treatment |
| Aesthetic Quality | Superior | Standard |
Bright annealed stainless steel tubes are preferred in industries requiring clean, smooth, and aesthetically pleasing surfaces:
| Industry | Typical Uses | Why Bright Annealed? |
|---|---|---|
| Food & Beverage | Hygienic process lines, dairy equipment | Cleanable, bacteria-resistant surface |
| Pharmaceutical | WFI (water for injection) systems, clean steam lines | No contamination, easy sterilization |
| Medical Devices | Surgical instruments, endoscope tubing | Smooth surface, biocompatible |
| Semiconductor | Ultra-high purity gas lines | Particle-free, oxide-free surface |
| Instrumentation | Pressure gauges, analytical equipment | Aesthetic, corrosion resistant |
| Aerospace | Hydraulic and fuel lines | Reliable, clean, and uniform |
| Automotive | Fuel injection rails, sensor housings | Precision fit, smooth finish |
| Architecture & Decorative | Handrails, furniture, structural elements | Attractive mirror finish |
| Advantage | Benefit |
|---|---|
| Oxide-free surface | No contamination in sensitive processes |
| Excellent corrosion resistance | Longer service life |
| Smooth finish (Ra ≤ 0.4μm) | Easy to clean and sterilize |
| No pickling required | Environmentally friendly, faster delivery |
| Uniform mechanical properties | Consistent performance in fabrication |
| Ready-to-use condition | No additional surface treatment needed |
| Superior aesthetic appeal | Ideal for visible applications |
For samples, mill test reports (MTR), surface finish samples, or a custom quote, please contact us.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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