304/304L Stainless Steel Coil Tubing 4.76-25.4mm OD for Heat Exchangers and High Pressure Systems
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
Product Overview
ASTM/ASME/EN standard 304/304L/304H seamless stainless steel coil tubing designed for heat exchanger applications and high-pressure systems.
Key Specifications
Material Grades
TP304, TP304L, TP316/316L Dual Grade
Size Range
Outer Diameter: 4.76mm-25.4mm (3/16"-1")
Wall Thickness: 0.7mm-1.65mm (0.028"-0.065")
Wall Thickness: 0.7mm-1.65mm (0.028"-0.065")
Length Options
100FT-1700FT standard lengths or custom requirements
Tolerances
Outer Diameter: ±0.08mm (±0.00315")
Wall Thickness: ±10%
Wall Thickness: ±10%
Manufacturing Process
Cold drawn/cold rolled seamless tubing manufactured from cold-drawn pipe billet (not plank-welding) with bright annealed surface finish.
Standards & Certifications
- ASTM (ASME) SA/A312/A213/A269
- DIN, GB, JIS standards
- ISO9001:2000, GB/T19001-2000 certified
- USDOE-NE standards compliant (A 213/A 213M - 04)
Technical Advantages
- Custom cutting and bending to reduce waste and installation costs
- Eliminates joints for improved pipeline safety
- Precision heat treatment with ±10℃ temperature tolerance
- Full-automatic natural gas furnace processing
Chemical Composition
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0-10.5 | 18.0-20.0 | - |
| 304L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 9.0-13.0 | 18.0-20.0 | - |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
| 316L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 |
Applications
Petroleum, chemical processing, pharmaceuticals, food processing, machinery, aerospace, military hardware, boiler systems, gas transmission, hot-water heating, shipping, power generation, and heat exchangers.
Packaging & Delivery
- Plastic bag wrapping with wooden or iron case protection
- Maximum 1000 kgs per wooden case
- Standard delivery: 40 days or as per agreement
- Transportation: FOB, CIF, by sea or air
Product Images
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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