Super Stainless Steel Pipe


Super stainless steel pipe has an outstanding corrosion resistance in reducing environments, good resistance to oxidizing media.

Super stainless steel pipe are widely used in chemical processing, pulp and paper industry, acetic acid production. Wuxi Cepheus is specializing in super stainless steel seamless and welded pipe production.

The grades we manufacture includes 904L, S31254, N08367, N08926, N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750.

They are inventoried in 6.0 to 830mm, and wall thickness in 0.5mm to 50mm.

 

Specification of Super Stainless Steel Pipe
Size OD: 6.0 ~ 830mm; WT: 0.5 ~ 50mm; Length: 6m, 12m, Max.18m
Process Seamless, Welded
Grade 904L,  S31254, N08367, N08926, N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750
Standard ASTM A213/213M(ASME SA213/SA213M),  ASTM A312/312M(ASME SA312/SA312M),  ASTM A789/789M(ASME SA789/SA789M),  ASTM A790/790M(ASME SA790/SA790M),  ASTM B163(ASME SB163),  ASTM B423(ASME SB423),  ASTM B407(ASME SB407),  ASTM B668(ASME SB668)
Surface Aid Pickling, Polishing(180#, 220#, 240#, 320#, 400#, 600#)
Theoretical Weight(kg/m) Weight/meter = (OD-WT)*WT*0.02589    Both OD and WT in mm.

 

Note:
OD is the specified outside diameter.
WT is the specified wall thickness
Stainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.

Grade UNS W.Nr Production Standard(ASTM/ASME)
Seamless Pipe Welded Tube
904L N08904 1.4539 B677/SB677 B673/SB673
254SMo S31254 1.4547 A312/SA312 A312/SA312
AL-6XN N08367 Equal1.4529 B675 B676
Alloy 926 N08926 1.4529 A312/SA312 A312/SA312
Alloy 20 N08020 2.4660 B729/SB729 B464&SB474
Monel400 N04400 2.4360
MonelK500 N05500 2.4375
Inconel600 N06600 2.4816 B167/SB167 B516/SB516
Inconel 625 N06625 2.4858 B444/SB444 B444/SB444
Alloy 31 N08031 1.4562
Alloy 59 N06059 2.4605 B622/SB622 B619/SB619
Hastelloy C276 N10276 2.4819 B622/SB622 B619/SB619
Hastelloy C22 N06022 2.4602 B622/SB622 B619/SB619
Hastelloy B3 N10675 B622/SB622 B619/SB619
Alloy 330 N08330 1.4864 B535/SB535 B535/SB535
Alloy 333 N06333 2.4608
Alloy 800 N08800 1.4876 B407/SB407 B514/SB514
Alloy 800H N08810 1.4958 B407/SB407 B514/SB514
Inconel601 N06601 2.4851 B617/SB617

 

Tolerances in Wall Thickness(ASTM A213) 

Tolerances in Wall Thickness A
Outside Diameter mm 2.4mm and Under Over 2.4mm to 3.8mm, incl. Over 3.8mm to 4.6mm, incl. Over 4.6mm
Over Under Over Under Over Under Over Under
Seamless, Hot-Finished Pipes
100mm and Under 40 0 35 0 33 0 28 0
Over 100mm 35 0 33 0 28 0
Seamless, Cold-Finished Pipes
Over Under
38.1mm and Under 20 0
Over 38.1mm 22 0
Welded Pipes
All Sizes 18 0

 

Tolerances in Outside Diameter (ASTM A213) 

Specified Outside Diameter, mm Tolerances, mm
Over Under
Hot-Finished Seamless Pipes
100 or Under 0.4 0.8
Over 100 to 200. Incl. 0.4 1.2
Over 200 to 225, incl. 0.4 1.6
Welded Pipes and Cold-Finished Seamless Pipes
Under 25 0.1 0.11
25 to 40, incl. 0.15 0.15
Over 40 to 50, excl. 0.2 0.2
50 to 65, excl. 0.25 0.25
65 to 75, excl. 0.3 0.3
75 to 100, incl. 0.38 0.38
Over 100 to 200, incl. 0.38 0.64
Over 200 to 225, incl. 0.38 1.14

 

Tolerances in Length (ASTM A213)

Method of Manufacture Specified Outside Diameter, mm Cut Length, mm
Over Under
Seamless, hot-finished All sizes 5 0
Seamless, cold-finished Under 50.8 3 0
Welded 50.8 or Over 5 0
Under 50.8 3 0
50.8 or Over 5 0

 

Reference Projects Regarding Super Stainless Steel Seamless Pipe & Fitting

904L Stainless Steel Seamless  Pipe: 406.4*12.7mm, 355.6*12.7mm, 168.3*7.11mm, 114.3*6.02mm, 60.3*3.91mm, 33.4*3.38mm
Guodian Zhejiang Beilun First Power Generation Co.,Ltd. 904L Stainless Steel Seamless Pipe: 50*6mm
Beijing Changxing Kaida Composite Material Science and Technology Development CO.,LTD S31254 Stainless Steel Seamless Pipe: 323.8*9.53mm,  273*9.27mm, 88.9*5.49mm, 60.3*3.91mm, 33.4*3.38mm
Shengzhen New Oriental Industrial Development Co.,Ltd. Monel 400 Pipe: 6.35*2.1mm
Changzhou Wujin Power Pipe Fittings Co.,Ltd. Monel 400 Pipe: 219*9mm
Fluor (China) Engineering & Construction Co.,Ltd. Incoloy 800H Pipe: 26.9*3.91mm, 60*4mm, 88.9*5.49mm, 323.9*12.7mm, 406.4*15.87mm
NFF Incoloy 800H Pipe: 114*6mm, 168*7mm 219*8mm, 273*9.5mm, 325*10mm, 325*13mm
N06625 Seamless Pipe:  146*23mm, 48.3*11mm, 48.3*9mm
N08825 Welded Stainless Steel Pipe: 193.9*3mm, 561.6*3mm
Hailu Heavy Industry N08825 Seamless Stainless Steel Pipe: 42*5mm, 60*5.5mm

 

Packing Information

Super stainless steel pipes from Wuxi Cepheus are packed according to the customer’s requirement. To avoid any damage which might be caused during international transportation, we provide some optional packaging methods, including woven bags, plywood cases, and wooden boxes.