25mm Stainless Steel Heat Exchanger Tube - ASTM A213 Grade, 6-530mm OD Range, Wooden Box Packaging
ZHEHENG STEEL manufactures high-quality stainless steel heat exchanger tubes designed for industrial applications. Our 25mm diameter tubes feature wooden box packaging and are available in various stainless steel grades including TP304, TP316, and TP321.
| Specification | Details |
|---|---|
| Outer Diameter (O.D) | 6-530mm |
| Wall Thickness (W.T) | 0.7-50mm |
| Length | 0-38000mm |
| Material Grades | TP304, TP304L, TP304H, SUS201, TP314, TP316, TP316L, TP316LN, TP321, TP321H, TP310, TP310S, TP317 |
| Manufacturing Technique | Cold Finished (Cold Drawing/Rolling), Hot Finished (Hot Extrusion) |
| Standards | ASTM A213, ASME SA213, ASTM A269, ASME SA269, EN10216-5, JIS G3463 |
- Available in seamless construction (SML)
- Multiple surface treatments: Pickled, Passivation, Mechanical Polishing, BA, Electropolishing
- Comprehensive heat treatment options including Solution Annealing and Bright Annealing
- Rigorous testing protocols: Eddy Current, Hydrostatic, UT, PMI, and Intergranular Corrosion tests
- Annual production capacity of 6000 tons
Ideal for gas and fluid transportation, mechanical pipelines, engineering projects, petrochemical industry, power stations, heat exchangers, condensers, boilers, evaporators, and superheaters.
- Incoming raw material inspection and segregation
- Heating and hammering end preparation for cold drawing
- Cold drawing and rolling with online inspection
- Heat treatment processes (+A, +SRA, +LC, +N, Q+T)
- Straightening, cutting to specified length, and final measurement
- Mechanical testing including tensile strength, yield strength, elongation, and hardness
- Comprehensive laboratory analysis
- Final packing and stocking
Certifications: ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, ISO9001-2008, ISO 14001-2004
Available in bundles, plywood cases, or wooden cases with water-proof packaging. Trade terms include FOB, CIF, CFR, EXW with payment options of T/T and L/C.
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