TP304/304H Stainless Steel Heat Exchanger Tubes 0.4-3.0mm Wall Thickness ASTM A312 A554 Standard
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
TP304/304H Stainless Steel Heat Exchanger Tubes
High-performance welded pipes designed for efficient heat transfer applications with superior corrosion resistance and mechanical properties.
Product Specifications
Available Materials
- 201, 202, 304, 316, 316L Stainless Steel Grades
Standard Compliance
- ASTM A554 - Welded Stainless Steel Mechanical Tubing
- ASTM A312 - Seamless and Welded Austenitic Stainless Steel Pipes
Dimensions & Tolerances
- Rectangular Specifications: 20mm×10mm, 20mm×40mm, 20mm×50mm, 25mm×13mm, 25mm×38mm, 25mm×50mm, 30mm×10mm, 30mm×15mm, 30mm×60mm, 45mm×75mm, 45mm×95mm, 50mm×100mm, 150mm×100mm
- Wall Thickness: 0.4mm to 3.0mm
- Standard Length: 6 meters (custom lengths available)
- Thickness Tolerance: ±0.03mm
- Dimension Tolerance: ±0.03mm
- Length Tolerance: ±3-5mm
Surface Finishes
- Mill Finish
- BA Polish (Mirror Polish)
- Hair Brush Finish
- Circular Satin Polish
Chemical Composition
ASTM A213 / A213M Standards
| Elements | 304L (wt%) | 316L (wt%) |
|---|---|---|
| Carbon (C), max | 0.035 | 0.035 |
| Manganese (Mn), max | 2 | 2 |
| Phosphorus (P), max | 0.045 | 0.045 |
| Sulfur (S), max | 0.03 | 0.03 |
| Silicon (Si), max | 1 | 1 |
| Nickel (Ni) | 8.0 - 12.0 | 10.0 - 14.0 |
| Chromium (Cr) | 18.0 - 20.0 | 16.0 - 18.0 |
| Molybdenum (Mo) | N/A | 2.0 - 3.0 |
| Iron (Fe) | Bal. | Bal. |
Additional Material Grades
| Element | 201 | 202 | 304 | 316 | 430 |
|---|---|---|---|---|---|
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.12 |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 |
| N | 3.5-5.5 | 4-6 | 8-10.5 | 10-14 | |
| Mo | 2.0-3.0 |
Mechanical Properties
| Property | 201 | 202 | 304 | 316 |
|---|---|---|---|---|
| Tensile Strength (MPa) | ≥535 | ≥520 | ≥520 | ≥520 |
| Yield Strength (MPa) | ≥245 | ≥205 | ≥205 | ≥205 |
| Extension (%) | ≥30% | ≥30% | ≥35% | ≥35% |
| Hardness (HV) | <253 | <253 | <200 | <200 |
Quality Assurance
Mechanical Testing Requirements
- Lot definition based on heat treatment conditions and furnace specifications
- Comprehensive testing for grain size determinations and weld decay
- Strict compliance with ASTM standards for wall thickness variations
Product Image
Payment Terms
- T/T: 30% deposit with 70% payment against copy of B/L or L/C at sight
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN