ASTM A358 Gr.304L stainless steel Conduction pipe
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GNEE, as a manufacturer of ASTM A358 steel pipes, provides high-quality products along with comprehensive test reports and performance analyses. Our supplied ASTM A358 TP 304 stainless steel electric fusion welded pipes are a low-carbon austenitic stainless steel featuring excellent corrosion resistance and high-temperature strength. These pipes are produced using filler metal with double-sided welding. Their specifications range from Schedule 5 to Schedule 160, with standard sizes spanning from 8 NB to 110 NB. They exhibit outstanding thermal conductivity and exceptional heat resistance in stress-induced environments. The A358 304L pipes are a low-carbon variant of the 304 grade, with a density of 8000 kg/m³.
ASME SA358 304L grade electric fusion welded pipes are widely used in high-temperature equipment, corrosive environments, or general-purpose applications. Owing to their superior corrosion resistance and high-temperature strength, they are particularly suitable for high-temperature and high-pressure piping systems in industries such as petrochemicals, power generation, nuclear energy, and aerospace.
ASTM A358 Pipe Specifications
| Specifications | ASTM A358 / ASME SA358 |
|---|---|
| Grade | TP 304 | TP 316 | TP 304L | TP 316L |
| Thickness | 3 to 60 millimetre |
| Delivery Condition | Annealed & Pickled, Polished, Bright & Annealed, etc |
| Sizes | 8" NB to 72" NB |
| Classes | CL1 | CL2 | CL3 | CL4 | CL5 |
| End | Beveled, Threaded, Plain |
| Schedule Thickness Ranges | Supplier in SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Length | Up to 6 meters, Cut to length |
| Surface Finish | 2B, No.1, No.4, Bright Annealed, No.8 Mirror Finish |
ASTM A358 TP304L Class 1 EFW Pipe Chemical Composition Standard
| A358 Grades | C | Mn | P | S | Si | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-11.0 | |
| TP304L | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-13.0 |
Mechanical Strength of ASTM A358 Material
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| ASTM A358 TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| ASTM A358 TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
Application of ASTM A358 TP304 Cl1 welded Pipe
Off-Shore Oil Drilling Company
Heat Exchangers
Power Generation
Condensers
Pharmaceutical Equipment
Gas Processing
ASTM A358 TP304L Seamless Pipe Price
| Product | Price |
|---|---|
| 75mm 6mm DN250 ASTM A358 316 stainless steel pipe | $1,720.00 - $3,150.00/ Ton |
| 304 304l 316 Polished ASTM A358 Pipe | $590.00 - $788.00/ Ton |
| Corrosion resistant ASTM A358 304 stainless steel pipe | $1.00 - $1.28/ Kilogram |
| A358 321/310s Stainless Steel Pipes | $1,680.00 - $2,000.00/ Ton |
GNEE boasts a production area exceeding 50,000 square meters, equipped with CNC cutting, slitting, and polishing production lines. With an annual export volume surpassing 30,000 tons, we maintain comprehensive certifications including ISO 9001, SGS, and BV. Every product undergoes 100% PMI testing, ultrasonic flaw detection, and mechanical property testing. Advanced annealing and flattening equipment ensure consistent flatness and precision across all offerings.


Packaging and Shipping
Packaging: All products are wrapped in moisture-proof paper, lined with plastic film, and secured with steel straps. Wooden pallets or wooden crates are used for protection during international transportation.
Labeling: Each package includes the furnace number, brand, size, and standard.
Delivery Time: Typically within 7-15 business days after receiving advance payment.
Shipping Method: Ocean freight (FCL/LCL), air freight, or express delivery, depending on customer needs.









