ASTM A249 304/304L/316L Stainless Steel Heat Exchanger Tubes - 1/4" to 12" OD, SCH5S-SCH10S Wall Thickness
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
Product Overview
High-quality ASTM A249 certified stainless steel tubes specifically designed for heat exchanger applications. Available in 304, 304L, and 316L grades with cold roll manufacturing for superior performance.
Technical Specifications
| Steel Grades | 301 (Ni: 6%), 304, TP304, TP304L/304L, 321, TP321, 316, TP316L, 316L |
|---|---|
| Standards | ASTM A249, A269, A312, A554, A270 |
| Dimensions | O.D: 1/4" - 12" (inch) W.T: SCH5S, SCH10S Custom sizes available |
| Applications | Liquid delivery systems, food processing, dairy industry, heat exchangers |
Quality Assurance & Testing
- Each pipe undergoes hydrostatic or nondestructive electric testing per ASTM A999/A999M
- ISO 9001:2008 certified manufacturing process
- Available in annealed & pickled or bright annealed polished finishes (180# to 600#)
Chemical Composition
| Element | 201 | 202 | 304 | 316 | S31803 | S32750 |
|---|---|---|---|---|---|---|
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.030 | ≤0.030 |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤0.80 |
| Mn | 5.5-7.5 | 7.5-10.0 | ≤2.00 | ≤2.00 | ≤2.00 | ≤1.20 |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 21-23 | 21-23 |
| Ni | 3.5-5.5 | 4.0-6.0 | 8-10.5 | 10-14 | 4.5-6.5 | 6.0-8.0 |
Mechanical Properties
| Property | 201 | 202 | 304 | 316 | S31803 | S32750 |
|---|---|---|---|---|---|---|
| Tensile Strength (MPa) | ≥655 | ≥620 | ≥515 | ≥515 | ≥620 | ≥800 |
| Yield Strength (MPa) | ≥260 | ≥310 | ≥205 | ≥205 | ≥450 | ≥550 |
| Elongation (%) | ≥35 | ≥35 | ≥35 | ≥35 | ≥25 | ≥15 |
Packaging & Delivery
- Plastic caps protect both tube ends
- Plastic bag wrapping for surface protection
- Plywood case packing for secure shipping
- Delivery time: 10-60 days depending on stock availability
- Payment terms: T/T, Irrevocable L/C at sight
- Trade terms: FOB, CFR, CIF
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Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN