What is seamless stainless steel pipe?
By definition,stainless steel seamless pipe are a type of pipe used for various applications.These pipes are made from stainless steel,a corrosion-resistant alloy that is known for its durability,strength and resistance to various environmental factors.
What are the characteristics of stainless steel seamless pipe?
exceptional hardness
highly corrosion-resistant
High temperature resistance
Superior impact resistance
What is seamless stainless steel pipe used for?
Heat exchanger
Fertilizer industry
Chemical and petrochemical industry
Power generation and environmental technologies
Oil and gas application
Automotive industry
Standards & Grades
Standards | Grades | Standards | Grades |
ASTM | A312,A778,A358,A249,A269,A270, A554,A790,A789,A928 | ASTM/ASME | TP304,TP304L,TP304H,TP316,TP316L, TP321,TP321H,TP310S,TP310H,TP317, TP317L,TP347,TP347H,TP409,TP430, TP444,N08904,S31803,S32205,S32750, S32760 |
JIS | G3459,G3468,G3446,G3463,G3448 | ||
EN | EN 10217-7,EN10312 | EN | 1.4301,1.4306,1.4307,1.4401,1.4404,1.4410, 1.4429,1.4462,1.4541,1.4571, 1.4539, 1.4550 |
DIN | DIN17457,DIN11850 | ||
GB | GB/T12770,GB/T12771,GB/T24593, GB/T19228,GB/T21832 | GB/HG | 12Cr18Ni9,06Cr19Ni10,22Cr19Ni10,07Cr19Ni10,06Cr23Ni13,06Cr25Ni20,06Cr17Ni12Mo2,06Cr19Ni13Mo3,022Cr19Ni13Mo3,06Cr18Ni11Ti,06Cr18Ni11Nb,07Cr18Ni11Nb,022Cr22Ni5Mo3N,022Cr23Ni5Mo3N,022Cr25Ni7Mo4N |
HG | HG20537.1,HG20537.2,HG20537.3, HG20537.4 | ||
Non-Standard products are available upon customer requirements. Other Grades are available upon customer requirements after PQR. |
Outside Diameter/Wall Thickness
STAINLESS STEEL (ASTM /ANSI) | ||||||||||
SIZE | O.D | SCH5S | SCH10S | SCH10 | SCH20S | SCH40S | SCH40 | STD | SCH80S | SCH80 |
1/8" | 10.29 | - | 1.24 | 1.24 | - | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 |
1/4" | 13.72 | - | 1.65 | 1.65 | - | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 |
3/8" | 17.15 | - | 1.65 | 1.65 | - | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 |
1/2" | 21.34 | 1.65 | 2.11 | 2.11 | - | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 |
3/4" | 26.67 | 1.65 | 2.11 | 2.11 | - | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 |
1" | 33.4 | 1.65 | 2.77 | 2.77 | - | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 |
1-1/4" | 42.16 | 1.65 | 2.77 | 2.77 | - | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 |
1-1/2" | 48.26 | 1.65 | 2.77 | 2.77 | - | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 |
2" | 60.33 | 1.65 | 2.77 | 2.77 | - | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 |
2-1/2" | 73.03 | 2.11 | 3.05 | 3.05 | - | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 |
3" | 88.9 | 2.11 | 3.05 | 3.05 | - | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 |
3-1/2" | 101.6 | 2.11 | 3.05 | 3.05 | - | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 |
4" | 114.3 | 2.11 | 3.05 | 3.05 | - | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 |
5" | 141.3 | 2.77 | 3.40 | 3.40 | - | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 |
6" | 168.28 | 2.77 | 3.40 | 3.40 | - | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 |
8" | 219.08 | 2.77 | 3.76 | 3.76 | 6.35 | 8.18 | 8.18 | 8.18 | 12.70 | 12.70 |
10" | 273.05 | 3.40 | 4.19 | 4.19 | 6.35 | 9.27 | 9.27 | 9.27 | 12.70 | 15.09 |
12" | 323.85 | 3.96 | 4.57 | 4.57 | 6.35 | 9.52 | 10.31 | 9.52 | 12.70 | 17.48 |
14" | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | - | 11.13 | 9.52 | - | 19.05 |
16" | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | - | 12.70 | 9.52 | - | 21.44 |
18" | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | - | 14.27 | 9.52 | - | 23.83 |
20" | 508.0 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 26.19 |
22" | 558.8 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 28.58 |
24" | 609.6 | 5.54 | 6.35 | 6.35 | 9.52 | - | 17.48 | 9.52 | - | 30.96 |
26" | 660.4 | - | - | 7.92 | 12.7 | - | 17.48 | 9.52 | - | - |
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