304L Stainless Steel Heat Exchanger Tube Coil 6mm-530mm OD 1mm-60mm Thickness for Electric Heating Elements
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
Product Overview
High-quality ASTM A269 304L stainless steel heat exchanger coil tubes designed specifically for electric heating elements. Available in various grades including 201, 202, 304, 304L, 316, 316L, and 430 to meet diverse industrial requirements.
Key Specifications
Outer Diameter: 6mm-530mm (1/8"-20") or custom requirements
Length: 6000mm standard or custom lengths
Thickness: 1mm-60mm range
Surface Finishes: 180G, 240G, 320G Satin/Hairline, 400G, 600G, Mirror finish
Quality Assurance & Testing
- Radiographic Examination: Full-length weld inspection using X-radiation per ASME Boiler and Pressure Vessel Code UW-51 requirements
- Stabilizing Heat Treatment: Available for specific grades including TP321, TP347, TP348 and others
- Certifications: SGS, BV, IBR, ISO certified with SGS inspection available upon request
Chemical Composition
| 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 |
Applications
- Construction and shipbuilding industries
- Petroleum and chemical processing
- Power generation and electrical industries
- Food processing and medical equipment
- Boiler heat exchangers and machinery components
- Hardware and industrial equipment manufacturing
Production Capabilities
- Monthly Capacity: 500 Tons
- Delivery Time: Within 15 working days
- Packaging: Weaving bags, non-woven fabric, seaworthy bundles, wooden cases available
- Payment Terms: L/C or T/T accepted
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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