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
0.040.10
2.00
0.045
0.030
1.00
18.0-20.0
8.0-11.0
C
S
0.070.13
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
0.0160.24
2.00
0.030
0.030
3.2-4.0
17.0-19.5
13.5-16.0
C
S
0.050.10
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
2.003.00
TP316L
S
0.035D
2.00
0.045
0.030
1.00
16.0-18.0
10.0-14.0
2.003.00
TP316H
S
0.040.10
2.00
0.045
0.030
1.00
16.0-18.0
11.0-14.0
2.003.00
TP316N
S
0.08
2.00
0.045
0.030
1.00
16.0-18.0
10.0-13.0
2.003.00
TP316LN
S
0.035D
2.00
0.045
0.030
1.00
16.0-18.0
10.0-13.0
2.003.00
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-
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.
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