News - WHAT IS STAINLESS STEEL SEAMLESS PIPE

13 Aug.,2024

 

News - WHAT IS STAINLESS STEEL SEAMLESS PIPE

What is Stainless Steel Seamless Pipe

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Stainless steel seamless pipe is a long steel material with a hollow section and no seams around it. The thicker the wall thickness of the product, the more economical and practical it is. The thinner the wall thickness, the processing cost will increase significantly.
The process of this product determines its limited performance. Generally, seamless steel pipes have low precision: uneven wall thickness, low brightness of the inner and outer surfaces of the pipe, high cost of sizing, and pitting and black spots on the inner and outer surfaces that are difficult to remove; its detection and Shaping must be processed offline. Therefore, it reflects its superiority in terms of high pressure, high strength, and mechanical structural materials.

Available Specification

Product Name Executive Standard Dimension Steel Code / Steel Grade Seamless Austenitic Stainless Steel Pipes ASTM A312/A312M, ASME SA312/SA312M OD: 1/4&#;~20&#;
WT: SCH5S~SCH80S TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H Seamless Austenitic Stainless Steel Tubing for General Service ASTM A269, ASME SA269 OD: 6.0~50.8mm
WT: 0.8~10.0mm TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H Seamless Austenitic Alloy-Steel Boiler, Super Heater, and Heat-Exchanger Tubes ASTM A213/A213M, ASME SA213/SA213M OD: 6.0~50.8mm
WT: 0.8~10.0mm TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H Seamless Duplex Stainless Steel Tubing for General Service ASTM A789 / A789M OD: 19.0~60.5mm
WT: 1.2~5.0mm S, S, S Seamless Duplex Stainless Steel Pipes ASTM A790 / A790M OD: 3/4&#;~10&#;
WT: SCH5S~SCH80S S, S, S Seamless Stainless Steel Mechanical Tubing ASTM A511 OD: 6.0~50.8mm
WT: 1.8~10.0mm MT304, MT304L, MT304H, MT310, MT310S, MT316, MT316L, MT317, MT317L, MT321, MT321H, MT347 Seamless Stainless Steel Tubes for Pressure Purposes EN , DIN , OD: 6.0~530.0mm
WT: 0.8~34.0mm 1., 1., 1., 1., 1., 1., 1., 1., 1.

Chemical Composition of ASTM A213 Stainless Steel Seamless Pipe

Grade UNS
Designation Composition Carbon Manganese Phosphorous Sulfur Silicon Chromium Nickel Molybdenum C S 0.02 2.00 0.025 0.010 6.5-8.0 8.0-11.5 22.0-25.0 0.50 TP304 S 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 &#; TP304L S 0.035D 2.00 0.045 0.030 1.00 18.0-20.0 8.0-12.0 &#; TP304H S 0.04&#;0.10 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 &#; C S 0.07&#;0.13 0.50 0.045 0.030 0.03 17.0-19.0 7.5-10.5 &#; TP304N S 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 &#; TP304LN S 0.035D 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 &#; C S 0.016&#;0.24 2.00 0.030 0.030 3.2-4.0 17.0-19.5 13.5-16.0 &#; C S 0.05&#;0.10 0.80 0.040 0.030 1.40-2.00 20.0-22.0 10.0-12.0 &#; TP316 S 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00&#;3.00 TP316L S 0.035D 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00&#;3.00 TP316H S 0.04&#;0.10 2.00 0.045 0.030 1.00 16.0-18.0 11.0-14.0 2.00&#;3.00 TP316N S 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-13.0 2.00&#;3.00 TP316LN S 0.035D 2.00 0.045 0.030 1.00 16.0-18.0 10.0-13.0 2.00&#;3.00

 

Chemical Composition of ASTM A312 Stainless Steel Seamless Pipe

Grade UNS
Designation Composition Carbon Manganese Phosphorous Sulfur Silicon Chromium Nickel Molybdenum TP304 S 0.08 2.00 0.045 0.030 1.00 18.0 &#; 20.00 8.0-11.0 &#; TP304L S 0.035 D 2.00 0.045 0.03 1.00 18.0 &#; 20.00 8.0-113.0 &#; TP304H S 0.04 &#; 0.10 2.00 0.045 0.03 1.00 18.0 &#; 20.00 8.0-11.0 &#; &#; S 0.04 &#; 0.06 0.8 0.045 0.03 1.00 &#;2.00 18.0 &#; 19.0 9.0-10.0 &#; TP304N S 0.08 2.00 0.045 0.03 1.00 18.0 &#; 20.00 8.0-18.0 &#; TP304LN S 0.035 2.00 0.045 0.03 1.00 18.0 &#; 20.00 8.0-12.0 &#; TP316 S 0.08 2.00 0.045 0.03 1.00 16.0-18.0 11.0-14.0E &#; TP316L S 0.035 D 2.00 0.045 0.03 1.00 16.0-18.0 10.0-14.0 &#; TP316H S 0.04 &#; 0.10 2.00 0.045 0.03 1.00 16.0-18.0 10.0-14.0E &#; TP316Ti S 0.08 2.00 0.045 0.03 0.75 16.0-18.0 10.0-14.0 53 (C+N)
&#;0.70 TP316N S 0.08 2.00 0.045 0.03 1.00 16.0-18.0 11.0-14.0E &#; TP316LN S 0.035 2.00 0.045 0.03 1.00 16.0-18.0 11.0-14.0E &#;

Mechanical Properties of ASTM A213 Stainless Steel Seamless Pipe

Grade UNS
Designation Tensile Strength
min, ksi [MPa] Yield Strength,
min, ksi [MPa] TP304 S 75[515] 30[205] TP304L S 70[485] 25[170] TP304H S 75[515] 30[205] &#; S 80[550] 30[205] TP304N S 80[550] 35[240] TP304LN S 75[515] 30[205] TP316 S 75[515] 30[205] TP316L S 70[485] 25[170] TP316H S 75[515] 30[205] TP316N S 80[550] 35[240]

 

Mechanical Properties of ASTM A312 Stainless Steel Seamless Pipe

Grade UNS
Designation Tensile Strength
min, ksi [MPa] Yield Strength,
min, ksi [MPa] TP304 S 75[515] 30[205] TP304L S 70[485] 25[170] TP304H S 75[515] 30[205] . . . S 87[600] 42[290] TP304N S 80[550] 35[240] TP304LN S 75[515] 30[205] TP316 S 75[515] 30[205] TP316L S 70[485] 25[170] TP316H S 75[515] 30[205] . . . S 75[515] 30[205] TP316N S 80[550] 35[240] TP316LN S 75[515] 30[205]

Product Features
1. Chemical analysis: Conduct chemical analysis on the chemical composition of the material, and the chemical composition complies with the standards.
2. Air pressure and hydraulic pressure test: The pressure-resistant pipes are tested one by one. The specified pressure value is not maintained for no less than 5 seconds and there is no leakage. The conventional supply hydraulic pressure test is 2.45MPa. The air pressure pressure test is P =0.5MPAa.
3. Corrosion test: All industrial corrosion-resistant steel pipes supplied are tested for corrosion resistance in accordance with standards or corrosion methods agreed upon by both parties. There must be no intergranular corrosion tendency.
4. Process performance inspection: flattening test, tensile test, impact test, expansion test, hardness test, metallographic test, bending test, non-destructive testing (including eddy current testing, X-ray testing and ultrasonic testing).
5. Theoretical weight:
Cr-Ni austenitic stainless steel W=0.S(D-S)
Cr-Ni-Mo austenitic stainless steel (kg/m)S-wall thickness (mm)
D-Outer diameter (mm)

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Post time: Jan-11-

Seamless Stainless Steel Pipe Ss 304

MaterialStainless SteelTypeSeamlessMaterial GradeSS304, SS304LLength2-4 meters, 0-2 meters, 4-6 metersGradeTP304, SS304Size2 inch, 3/4 inch, 3 inch, 1/2 inch, 1 inchPipe FluidSteam, Chemical, WaterThickness3 to 50 mmShapeRoundHollow SectionsCircularColorGreyBrandImported,JapanFinishingHot RolledSurface FinishingHR FinishDiameter1/2" NB TO 14" NBConditionNewUsage/ApplicationOil & Gas,Fabrication works,Hydraulics,Pumps...etcGradesSS304,SS304L

Specifications:

Material Stainless Steel ASTM A511-96 316L, SAE L AISI 316L, UNS S SS 304, 304L, 304H, 316, 316L, 316Ti, 309, 310S, 317L, 321, 347, 409, 410,416, 420, 430, 446, 904L, 17-4 PH, 15-5 PH Carbon Steel ASTM A53 Gr B, ASME SA53 Gr B, API-5L Gr B, ASTM A106 Gr B, ASME SA106 Gr B, ASTM A106 Gr C, PSL 1 and PSL2 Alloy Steel P5, P9 ,P11, P22, P91, P92 Duplex Steel // Super Duplex Steel (F53),(F55) Length Single random, double random, cut length End Plain end, beveled end, threaded end Form Round, Square, Rectangular, Hydraulic etc. Features Rust resistant
Precisely design
Stout construction Value Added Services Hot Dip Galvanizing, Draw & Expansion, Electro Polish Packing Packed in plastic sheet rolls, wooden boxes, steel strips bundles or as per customer requirements. Applications Gas, Oil, Liquefied Petroleum Products
Machine Parts

Stainless Steel Tube is often referred to as "corrosion-resistant steel"- it does not stain, corrode or rust easily as normal carbon steel. a pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow &#; liquids and gases (fluids), slurries, powders and masses of small solids. it can also be used for structural applications; the hollow pipe is far stiffer per unit weight than solid members. in common usage, the words pipe and tube are usually interchangeable, but in industry and engineering, the terms are uniquely defined. depending on the applicable standard to which it is manufactured, the pipe is generally specified by a nominal diameter with a constant outside diameter (od) and a schedule that defines the thickness

Additional Information:

  • Pay Mode Terms: D/P,ADVANCE
  • Delivery Time: Ready Stock
  • Packaging Details: As Per Customer Requirements.

Contact us to discuss your requirements of stainless steel heat exchanger tube. Our experienced sales team can help you identify the options that best suit your needs.