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ISO9001 ASTM A312 TP321 roestvrij staal naadloze pijp

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ISO9001 ASTM A312 TP321 roestvrij staal naadloze pijp

As we all know ASTM A312 TP321 Naadloze buis is one of the most popular austenitic stainless steel pipe for high-temperature and general corrosive service. It can be used in many industries like oil and gas, water, mineral slurry transmission and structural purposes.

ASTM A312 TP321 Roestvrij staal naadloze buis

321 Stainless Steel Seamless Pipes Specification

SpecificationsASTM A312 / SA 312
AfmetingenASTM, ASME and API
Maat1/8″NB TO 30″NB IN
Seamless 321 Pipes1/2″ NB – 16″ NB
TijdschemaSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
TypeASTM A 312 TP 321 Seamless Pipes
Gespecialiseerd inLarge Diameter Size
LengteSingle Random, Double Random & Cut Length.
FormulierRond, vierkant, rechthoekig, hydraulisch enz.
EndPlain End, Beveled End, Treaded

Stainless Steel 321 Seamless Pipe Equivalent

RangUNS NoOld BritishEuronormSwedish SSJapanese JIS
BSEnNoNaam
321S32100321S3158B, 58C1.4541X6CrNiTi18-102337SUS 321

ASTM A312 321 Chemical Composition

CMnSiPSCrNi
0.082.001.000.0450.03017.0-19.09.0-12.0

ASTM A312 321 Mechanical Properties

TreksterkteVloeigrensVerlenging
515 (MPa) min205 (MPa) min40 (% ) min

Physical Properties of ASTM A312 TP 321 Stainless Steel Seamless Pipe

RangDichtheid (kg/m3)Elastische Modulus (GPa)Gemiddelde thermische uitzettingscoëfficiënt (m/m/0C)Warmtegeleidingsvermogen (W/m.K)
0-1000 °C0-3150C0-5380Cbij 1000 °Cbij 5000 °C
321802719316.617.218.616.122.2

Stainless Steel ASTM A312 TP321 Pipe Sizes

NPSODSCH 5SSCH 10SSCH 40SSCH 80S
1/413.72–1.652.243.02
3/817.15–1.652.313.2
1/221.341.652.112.773.73
3/426.671.652.112.873.91
133.41.652.773.384.55
1.2542.161.652.773.564.85
1.548.261.652.773.685.08
260.331.652.773.915.54
2.573.032.113.055.167.01
388.92.113.055.497.62
3.5101.62.113.055.748.08
4114.32.113.056.028.56
5141.32.773.46.559.53
6168.282.773.47.1110.97
8219.082.773.768.1812.7
10273.053.44.199.2712.7
12323.853.964.579.5312.7
14355.63.964.789.5312.7
16406.44.194.789.5312.7
18457.24.194.789.5312.7
205084.785.549.5312.7
22558.84.785.54––
24609.65.546.359.5312.7
26660.4––––
28711.2––––
307626.357.92––

ASTM A312 SS 321 Seamless Pipe Tolerances

NPSASTM A312 TP321 OD Tolerance
+–
inchmminchmm
1/8~1 1 /2
> 1 1 /2~4
> 4~8
> 8~18
> 18~26
> 26~34
> 34~48		1/64(0.015)
1/32(0.031)
1/16(0.062)
3/32(0.093)
1/8(0.125)
5/32(0.156)
3/16(0.187)		0.4
0.8
1.6
2.4
3.2
4.0
4.8		1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)
1/32(0.031)		0.8
0.8
0.8
0.8
0.8
0.8
0.8

Wall Thickness Tolerance of ASTM A312 TP321 SS Seamless Pipe

NPSASTM A312 TP321 WT Tolerance
+–
1/8-2 1/22012.5
3-18,T/D≤5%22.512.5
3-18，T/D＞5%1512.5
≥20，welded17.512.5
≥20,seamless,T/D≤5%22.512.5
≥20,seamless,T/D＞5%1512.5

321 Pipe pressure rating

Afmetingen pijp
(inches)		Leiding schemaTemperatuur (°F)
100200300400500600650700750
1″40304826292362217120191924186718241810
1″80421336343265300227912659258025282501
1″160614052964759437540683876376136843646
1.5″40225719471750160814961425138313541340
1.5″80318227442466226721082009194919091889
1.5″160461939843580329130602916282927722743
2″40190216401474135512601201116511411129
2″80274723692129195718201734168216481631
2″160449938803486320529802840275526992671
3″40180615581400128711961140110610841072
3″80255322021979181916911612156415321516
3″160384033122976273625442424235223042280
4″4015311321118710911014967938919909
4″80221319091715157714661397135513281314
4″160360131062791256623862273220621612138
5″40134211581040956889847822805797
5″80198117091535141113121250121311891176
5″160341429452646243322622155209120492027
6″4012191052945869808770747732724
6″80191316501483136312671208117211481136
6″160328928362549234321792076201419731953
8″401073926832765711678657644637
8″80169214591311120511211068103610151005
8″160317527382460226221032004194419051885
10″40974840755694945615596584578
10″80160913881247114710661016986966956
10″160314727142439224220851986192718801868

Stainless Steel TP321 Seamless Pipes Application

ASTM A312 TP321 Roestvrij staal naadloze buis are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of A312 / SA312 Austenitic Stainless Steel 321 Piping through a worldwide network of stock-keeping branches. These Seamless Pipe is use in various industries like :

 Stainless Steel 321 Seamless Pipes uses in Water Supply Systems

 Austenitic SS TP321 Seamless Pipes uses in Power Plant

 TP321 Steel Seamless Piping uses in Paper & Pulp Industry

 SS 321 Seamless Pipes toepassingen voor algemeen gebruik

 Stainless Steel 321 Seamless Pipes uses in Fabrication Industry

 Austenitic steel 321 Seamless Pipes uses in Food Processing Industry

 Stainless Steel TP321 Seamless Pipes uses in Structural Pipe

 ASTM A312 Roestvrijstalen buizen toepassingen in olie- en gaspijpleidingen

 ASME SA312 Seamless Piping uses in Chemical Industry

 SUS 321 Stainless Steel Seamless Pipes toepassingen in de loodgieterij

 AISI 321 Seamless Stainless Steel Pipes uses in Heating

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