Nascent Pipe & Tubes is a leading manufacturer and supplier of high-quality Stainless Steel 304H Tubes, engineered to meet the demanding needs of industries operating under elevated temperatures and corrosive environments. These tubes are produced following the international standard ASTM A213 TP304H and bear the UNS designation UNS S30409, ensuring global quality compliance and superior performance. Our stainless steel 304H tubing is crafted with high carbon content, which enhances its strength and creep resistance, making it an ideal choice for heat-resistant applications.
The SS 304H Tubes are widely used in high-temperature service sectors such as oil and gas processing, power generation, chemical plants, heat exchangers, and boiler tubes. The increased carbon content in 304H grade makes it well-suited for operations above 500°C, providing improved structural stability and superior mechanical properties. Customers value this grade for its excellent oxidation resistance, exceptional durability, and excellent fabrication characteristics, such as formability and weldability.
Stainless Steel 304H Tubes Manufacturers, Stainless Steel 304H Tubes Suppliers, Stainless Steel 304H Tubes Stockists, Stainless Steel 304H Tubes Exporters
Stainless Steel 304H Tubes Manufacturers in India, Stainless Steel 304H Tubes Suppliers in India, Stainless Steel 304H Tubes Stockists in India, Stainless Steel 304H Tubes Exporters in India
At Nascent Pipe & Tubes, every Stainless Steel 304H Seamless Tube and Welded Tube is manufactured with precision to ensure tight dimensional tolerances, smooth internal finishes, and corrosion resistance even under severe industrial environments. We adhere strictly to industry specifications and standards, including ASTM A213, ASTM A312, ASTM A269, and ASME SA213, to deliver products that surpass expectations.
Stainless Steel 304H Tubes Manufacturers In Mumbai, Stainless Steel 304H Tubes Suppliers In Mumbai, Stainless Steel 304H Tubes Stockists In Mumbai, Stainless Steel 304H Tubes Exporters In Mumbai
Nascent Pipe & Tubes maintains a vast inventory and ensures quick delivery to domestic and international markets. With a commitment to quality, service, and innovation, we are recognized globally as a trusted supplier of 304H stainless steel tubes. Our in-house quality team conducts stringent inspections, including hydro testing, ultrasonic testing, and chemical composition analysis, ensuring compliance with the highest global standards.
Specification of Stainless Steel 304H Seamless Welded Tubes
Stainless Steel Pipe Specification : ASTM A312, A358 / ASME SA312, SA358
SS Tube Specification : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Pipe Size :1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size :1/2" OD to 8" OD.
Thickness Range :0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type :Seamless / ERW / Welded / Fabricated Tubes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length :Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish :2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports :Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing :Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials :Sizes and Specifications other than above can be manufactured on request
Chemical Composition of Stainless Steel 304H Seamless Tubes
| C | Mn | Si | P | S | Cr | Ni | N | |
|---|---|---|---|---|---|---|---|---|
| 304H | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
Mechanical Properties Of Stainless Steel 304H Seamless Tubes
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 304H | 75 | 30 | 40 | 201 | 92 |
Physical Properties of Stainless Steel 304H Seamless Tubes
| SS 304H | ||||||
|---|---|---|---|---|---|---|
| Density lbm/in3 | Thermal Conductivity (BTU/h ft. °F) | Electrical Resistivity (in x 10-6) | Modulus of Elasticity (psi x 106 | Coefficient of Thermal Expansion (in/in)/ °F x 10-6 | Specific Heat (BTU/lb/ °F) | Melting Range (°F) |
| at 68°F: 0.285 | 9.4 at 212°F | 28.3 at 68°F | 28 | 9.4 at 32 – 212°F | 0.1200 at 68°F to 212°F | 2500 to 2590 |
Equivalent Grades of Stainless Steel 304H Seamless Tubes
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
|---|---|---|---|---|---|---|---|
| SS 304H | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304H | 304S11 | 03Х18Н11 |
Our Export
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