ASTM 789 welded stainless steel coiled tubing

321 Stainless Steel is an austenitic stainless steel that is stabilized with titanium. 321 also contains chromium as well as nickel and in addition to the titanium, provides improved inter-granular corrosion resistance. 321 in non-magnetic w/similar corrosion resistance to type 304. This material is used for welded equipment that can’t be annealed. In addition, it’s used for equipment that is operated between 800 and 1500°F. 321 is available in round bar, plate, pipe, sheet, tubing, coil and pipe.

Products Details

  1. Diameters:3.175-50.8mm(1/8"-2inc)
  2. W. T.: 0.3 - 3mm
  3. Grades: 304 316304 304L 316 316L 310S 2205 2507 625 825 etc.
  4. Standard: GB/ISO/EN/ASTM/JIS, etc.
  5. Tolerance: OD: +/-0.01mm; Thickness: +/-0.01%.
  6. Surface: Bright or anneald and soft
  7. Material: 304, 304L, 316L, 321, 301, 201, 202, 409, 430, 410,alloy 625 825 2205 2507 etc.
  8. Packing: LCL wooden case poly bay,FCL steel self or poly bay
  9. Test :Yield strength, tensile strength, hydrapress measurement
  10. Guarantee: The third party (for example :SGS TV ) cetification ect.
  11. Application: Decoration, furniture, railing making, paper making, automobile, food processing, medical.
  12. Advantage: we are a manufacturer. with good quanlity and reasonable price. we can meet you all the needed. we are profession.
Material ASTM A269 Chemical Composition % Max
C Mn P S Si Cr Ni Mo N B Nb Ti
TP304 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 ^ ^ ^ . ^
TP304L 0.035 2.00 0.045 0.030 1.00 18.0-20.0 8.0-12.0 ^ ^ ^ ^
TP316 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00-3.00 ^ ^ ^
TP316L 0.035 D 2.00 0.045 0.030 1.00 16.0-18.0 10.0-15.0 2.00-3.00 ^ ^ ^
TP321 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 ^ ^ ^ 5C -0.70
TP347 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 10C -1.10 ^
Material Heat treatment Temperure F (C) Min. Hardness
Brinell Rockwell
TP304 Solution 1900 (1040) 192HBW/200HV 90HRB
TP304L Solution 1900 (1040) 192HBW/200HV 90HRB
TP316 Solution 1900(1040) 192HBW/200HV 90HRB
TP316L Solution 1900(1040) 192HBW/200HV 90HRB
TP321 Solution 1900(1040) F 192HBW/200HV 90HRB
TP347 Solution 1900(1040) 192HBW/200HV 90HRB
OD, inch OD Tolerance inch(mm) WT Tolerance % Length Tolernace inch(mm)
+ -
≤ 1 / 2 ± 0.005 ( 0.13 ) ± 15 1 / 8 ( 3.2 ) 0
> 1 / 2 ~1 1 / 2 ± 0.005(0.13) ± 10 1 / 8 (3.2) 0
> 1 1 / 2 ~< 3 1 / 2 ± 0.010(0.25) ± 10 3 / 16 (4.8) 0
> 3 1 / 2 ~< 5 1 / 2 ± 0.015(0.38) ± 10 3 / 16 (4.8) 0
> 5 1 / 2 ~< 8 ± 0.030(0.76) ± 10 3 / 16 (4.8) 0
8~< 12 ± 0.040(1.01) ± 10 3 / 16 (4.8) 0
12~< 14 ± 0.050(1.26) ± 10 3 / 16 (4.8) 0
1. Q: Do you have the Stainless Steel coil tubing in stock ? A: We have Stainless Steel coil tubing,also can produce according to your order needed: 2. Q: What's the delivery time ? A: Within ten days after payment. 3. Q: Can I get some samples free ? A: Free sample can be provided if you require to check the quality. 4. Q: How do you make our business long-term and good relationship ? A: We keep good quality and competitive price to ensure our customers benefit . 5. Are you manufacturer ? A: YES (We have 6 Production lines )

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