Name
Stainless steel seamless & welded tube &pipe
Items
Square tubes, round tubes, oval pipes, special shaped pipes,
Empaistic pipes, fittings
Standard
Astm a554, a249, a269 and a270
Material grade
201: ni 0.8%~1%
202: ni 3.5%~4.5%
304: ni 8%, cr 18%
316: ni 10%, cr 18%
316l: ni10%~14%
430: cr16%~18%
Outer diameter
9.53mm--159mm
Thickness
0.3mm - 3.0mm
Length
6m or as customers' request
Tolerance
A) outer diameter: +/- 0.2mm
B) thickness: +/- 0.02mm
C) length: +/- 5mm
Surface
180g, 240g, 320g satin / hairline
400g, 600g mirror finish
Application
Handrail, railing, staircase, weldmesh screen, door, window, balcony, fence, bench, furniture, etc
Test
Squash test, extended test, water pressure test, crystal rot test, heat treatment, ndt
Chemical composition of material
Material
Composition
201
202
304
316l
430
C
0.15
0.15
0.08
0.035
0.12
Si
1.00
1.00
1.00
1.00
1.00
Mn
5.5-7.5
7.5-10
2.00
2.00
1.00
P
0.06
0.06
0.045
0.045
0.040
S
0.03
0.03
0.030
0.030
0.030
Cr
13-15
14-17
18-20
16-18
16-18
Ni
0.7-1.1
3.5-4.5
8-10.5
10-14
Mo
2.0-3.0
Mechanical property
Material item
201
202
304
316
Tensile strength
35
20
20
20
Yield strength
245
205
205
205
Extension
30%
30%
35%
35%
Hardness (hv)
Polished 304 Stainless Pipe is a standard stainless pipe that has been polished to a 180 Grit Brushed Finish on its exterior for cosmetic and ornamental applications. Unlike the dull mill finish of standard stainless pipe, this polished stainless steel pipe allows your projects to have a more finished look with excellent corrosion resistance making it ideal for handrails, architectural design, restaurant and store fixtures, trade show displays, marine components and more. Just like standard stainless pipe it has an interior weld seam. SPECIFICATIONS: Type 304/304L Welded, ASTM A312 FINISH: 180 Grit Polish, Brushed Finish CHARACTERISTICS: Welding = Excellent Machining / Grinding = Fair Bending / Forming = Good Wear Resistance = Excellent Corrosion Resistance = Excellent MECHANICAL PROPERTIES: Tensile Strength = 85,800 psi Yield Point = 34,000 psi Elongation = 60% in 2" ; Elasticity = 29,000 ksi Shearing Strength = 11,500 psi Brinell Hardness = 170; Density = .289 lb/in AVAILABLE LENGTHS: 4ft. 6ft, 8ft, 10ft, 20ft, or Cut to Size
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Services: Buying office, oem, components sourcing, value added services
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Material: high carbon spring steel, spring steel, stainless steel, alloy steel Compression Spring, Extension Spring : Wire Diameter: 0.2-40.0mm Torsion spring wire diameter :0.2-35mm Surface Finish: black , Zinc, Nickel, silver, golden, tin, powder coating, shot pin Applications: Automotive, medical device, agricultural machinery ,electronics, toy, electric power distribution. Extension spring hook include Germany hook, British hook, Side hook We can customize special design of springs based on your requirement.
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