Stainless Steel Pipe

Item

Details

Product Name

Stainless steel seamless pipes

Standards

Compliant with ASTM, DIN, ISO, EN, JIS, GB and other international or national standards.

Material Grades

200 Series: 201, 201L, 201LN, 202, etc.;
300 Series: 304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 316L, etc.;
400 Series: 401, 409, 410, 420J1, 420J2, 430, 439, 440, 440C, 443, 444, etc.;
Duplex grades like 2205, 2507, etc.

Surface Finish

Options include polished, annealed, pickled, bright, brushed, satin, or mirror finish, according to customer preference.

Type

Available in hot rolled, cold rolled, or cold drawn variants.

Size Range

Outer diameters range from 6mm up to 630mm; wall thickness varies between 0.5mm and 60mm; lengths can be customized or provided in standard sizes such as 5.8m, 6m, 11.8m, or 12m.

Tolerance

Manufactured with dimensional tolerances meeting relevant standards or tailored to specific client requirements, such as ASTM A269, ASTM A312, EN 10216-5, etc.

Mechanical Properties

Mechanical strength, yield properties, and elongation comply with applicable specifications to ensure performance in intended applications.

Chemical Composition

Fulfills chemical requirements for 304 grade stainless steel, typically containing a maximum of 0.08% C, 18.0-20.0% Cr, and 8.0-11.0% Ni, among other elements.

Testing & Inspection

Pipes undergo rigorous quality checks including hydrostatic tests, eddy current inspections, ultrasonic examinations, dimensional verification, and surface quality assessments.

Applications

Widely used for fluid conveyance, heat exchanger tubing, petrochemical installations, food processing machinery, pharmaceutical equipment, boilers, pressure vessels, structural applications, and various industrial uses.

Price Terms

Trade terms offered include FOB, CIF, CFR, CNF, EXW, and other options depending on customer requirements.

Payment Terms

Accepted payment methods include T/T, L/C, D/P, and others as negotiated.

Delivery Time

Timely shipment available for stocked items; delivery schedules for production orders are arranged as per order size and specifics.

Packing

Packed in seaworthy export packaging, including protective plastic film, moisture-resistant materials, wooden crates or pallets, steel strapping, or tailored packing as requested by clients.

Surface Finish

Internal Surface(ID)

Exterbal Surface(OD)

Roughness Average(RA)

Roughness Average(RA)

μ inch

μm

μ inch

μm

AP

Annealed & Pickled

Not defined

Not defined

40 or Not defined

1.0 or Not defined

BA

Beight Annealed

40,32,25,20

1.0,0.8,0.6,0.5

32

0.8

MP

Mechanical Polish

40,32,25,20

1.0,0.8,0.6,0.5

32

0.8

EP

Electro Polish

15,10,7,5

0.38,0.25,0.20;0.13

32

0.8

Density

7.93 g/cm³ (0.286 lb/in³)

Melting Point

1400 - 1450°C (2552 - 2642°F)

Electrical Conductivity

1.45 x 10^6 S/m

Thermal Resistivity

16.2 W/m·K (9.41 BTU·in/hr·ft²·°F)

Specific Heat Capacity

0.50 J/g·°C (0.12 BTU/lb·°F)