ASTM A312 TP304 SS Pipe
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GNEE is an ISO-certified exporter of ASTM A312 pipes . We are a trusted distributor and dealer of ASTM A312 TP304 seamless pipes in your country. All our ASTM A312 TP304 stainless steel seamless pipes are tested according to international standards and specifications such as DIN, JIS, EN, and ASTM.
GNEE supplies high-quality ASTM A312 TP304 / TP304L seamless pipes, manufactured using cold-drawn or hot-rolled processes without welding. The standard sizes for ASTM A312 TP304/TP304L seamless pipes range from 1/2 inch to 24 inches.For 304 stainless steel welded pipes, we use automatic welding processes without filler wire. The common sizes for ASTM A312 TP304/TP304L welded pipes range from 1-1/2 inches to 48 inches, with wall thicknesses in accordance with ASME B36.10M or ASME B36.19M standards. Pipes are usually supplied in lengths of 6.096 m (20 ft), 12.19 m (40 ft), 6 m, or 12 m. The pipes can be supplied with plain ends, beveled ends, or threaded ends conforming to ASME B1.20.1.
ASTM A312 TP304L stainless steel round pipes are available in a wide range of sizes, with outer diameters from 6.0 mm to 610 mm (1/4 inch to 24 inches) and wall thicknesses from 0.5 mm to 25.4 mm (1/50 inch to 1 inch). We also provide custom sizes, including large-diameter, thin-wall, and thick-wall pipes, to meet the design requirements of various industrial piping systems.
Specification:
| Specification | ASTM A312 / ASME SA312 |
| Outside Diameter | 1/2" To 48" |
| Schedule | SCH 5 To SCH XXS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Ends | Plain End, Beveled End, Threaded |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Length | 6M Or As Custom, Single Random, Double Random , Standard & Cut length |
ASTM A312 TP304L Stainless Steel Seamless Pipe Chemical Composition:
| Grade | Si | C | Mn | Cr | P | S | Ni | |
| TP304L | min. | - | - | - | 18 | - | - | 8 |
| max. | 1 | 0.03 | 2 | 20 | 0.045 | 0.03 | 12 | |
UNS S30403 Stainless Steel Seamless Pipe Mechanical Properties:
| Tensile Strength, min. MPa [ksi] |
485 Mpa - 70 Ksi |
| Yield Strength, min. MPa [ksi] |
170 Mpa - 25 Ksi |
| Elongation, min, (% in 50mm) | 40% |
ASTM A312 TP304L Seamless Pipe Equivalent Grades:
| GRADE | EN | UNS | JIS | AFNOR | BS | WERKSTOFF NR. | GOST | SS |
| SS 304L |
X2CrNi18-9 / X2CrNi19-11
|
S30403 | SUS 304L | Z3CN18‐10 | 304S11 | 1.4306/1.4307 | 03Х18Н11 | 2332 |
Sizes, Dimensions & Tolerances
| NPS | *t/D | Tolerance, % from Nominal | |
|---|---|---|---|
| 1/8"~2.5" | All | +20.0 | -12.5 |
| 3"~18" | ≤5% | +22.5 | -12.5 |
| 3"~18" | >5% | +15.0 | -12.5 |
| ≥20" Wld. |
All | +17.5 | -12.5 |
| ≥20" smls |
≤5% | +22.5 | -12.5 |
| ≥20" smls |
>5% | +15.0 | -12.5 |
Stainless Steel 304 Pipe Price List
| Product | Price |
|---|---|
| Custom Size 4 Inch SS 304 Welded Pipes | $1,100.00 - $1,178.00/ Ton |
| 20mm diameter 304 Mirror Polished Stainless steel pipes | $788.00 - $1,980.00/ Ton |
| 304 Square Stainless steel seamless pipes | $2.00 - $3.15/ Piece |
| 304 Schedule 10 Stainless Steel Pipes | $1,482.00 - $2,989.00/ Ton |
Applications:
Power Generation
Petrochemicals
Gas Processing
Pharmaceuticals
Chemical Equipments
Sea Water Equipments
Heat Exchangers&Condensers
Pulp and Paper Industries
Inspection & Tests
Visual examination, dimensional inspection, PMI chemical analysis, tensile test, flattening test, bend test, eddy-current test, etching test, radiographic examination (for welded pipes), intergranular corrosion test (upon request).
Packaging and Delivery
| Item | Details |
|---|---|
| Package | Waterproof paper, edge protection, wooden pallets or crates |
| Loading Port | Tianjin, Qingdao, Shanghai, or any major Chinese seaport |
| Container Capacity | 1×20ft: Max 25 Tons, Max 5.8m length 1×40ft: Max 25 Tons, Max 11.8m length |
| Delivery Time | 7–15 working days depending on order quantity |
