Model NO.: 304
Surface Treatment: Polished
Length: 6 M or According to Customer′s Demand
Surface Finish: Polish Finish ,Satin Finish ,Hairline Finish
Welding: Welded Stainless Steel Pipe
Thickness Scale: 0.3mm - 3.0mm
HS Code: 73066100, 73064000
Trademark: VLW
Transport Package: Poly Bag Inside and Bundled with Woven Bag Outside
Specification: Nickle composition: above 8%
Origin: China
steel pipe for steel1) Material type: 304; 316L; 201; 202;430;410 .
2) Â Specification for stainless steel pipe
Sizes for round stainless steel pipe:
OD(mm):9.5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4, 28, 31.8, 35, 38.1, 48, 50.8, 60, 63.5, 63.5, 73, 76.2, 88.9, 101.6, 114, 127, 129, 133, 141, 159, 168, 175, 191, 203, 207.
Sizes for Square Stainless Steel Pipe:
 10X10 ; 12X12; 12.7X12.7; 14X14; 15X15; 16X16; 17X17; 18X18; 19X19; 20X20; 23X23; 25X25; 28X28; 30X30; 31.8X31.8; 35X35; 36X36;40X40;50.8*50.8;60X60;80X80;100X100.
Size for Regtangular Stainless Steel Pipe:
20X10 ;23X11;25X13;30X10; 30X15; 30X20; 36X23; 38X25;Â Â 40x10; 70x10; 90x10; 40x20; 50x25; 50x30; 60x30; 60x40; 73x43; 75x45; 80x40; 95x45; 50x100; 100x110; 100x120; 120x60; 150x50; 100x150; 40x210; 50x200; 120x130; 150x60.
3) Thickness(mm): 0.3 - 3.0.
4) Length: 6m, 5.8m or Cutting available upon request
5) Tolerance:
OD: +/-0.2mm
Thickness: +/- 0.05mm
Length: +/- 5mm
6) Standard: ASTM, Jin, GB.
7) Finish: 2B & Mirror & No.4 & Polish & Â Hairline & Satin Finish.
8) Application: Construction, upholstery, industrial instrument, automobile.
9) Inner packing: Plastic bag inner, outer: Weaving bag or carton, wooden crates, or according to customers' request.
 Steel Pipe for steel tube
| Standard | ASTM A554, A249, A269 and A270, A312 | |||||
| Material Grade | 201 ( Ni 0.8%), 202 (Ni 3.5%~4.5%), 301(Ni 5%) 304 (Ni 8%, Cr 18%), 316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), Â |
|||||
| Outer Diameter | 6mm--159mm | |||||
| Thickness | 0.3mm - 3.0mm | |||||
| Length | 6m or as customers' request | |||||
| Â Tolerance |
a) Outer Diameter: Â +/- 0.2mm | |||||
| b) Thickness: +/- 0.02mm | ||||||
| c) Length: +/- 5mm | ||||||
| Surface | 180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish |
|||||
| Application | Decoration construction, upholstery, industry instrument | |||||
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
| Â Â Â Â Chemical Composition of Material |
 Material  Composition |
201 | 202 | 304 | 316 | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤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 | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 | |
| N | 3.5-5.5 | 4-6 | 8-10.5 | 10-14 | Â | |
| Mo | Â | Â | Â | 2.0-3.0 | Â | |
| Â Mechanical Property |
Material Item    | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <253 | <253 | <200 | <200 | ||
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