ASTM A312 TP321 Stainless Steel Pipe




SS 321 Pipe Supplier, ASTM A312 TP321 Seamless Pipe

SS 321 Pipe Supplier

Superior Steel Overseas is a well-known supplier, manufacturer and exporter of ASME SA312 TP321 Stainless Steel Pipe.  SS 321 Seamless Pipe and SS 321 Welded Pipe is generally considered to have comparable weldability to 304 and 304L stainless with the main difference being the titanium addition which reduces or prevents carbide precipitation during welding. Stainless Steel 321 Pipe also known as UNS S32100 Seamless Pipes, these stainless steels are available at lowest prices. Stainless Steel UNS S32100 Pipes can be supplied to meet AMS, ASTM, ASME, QQS, and MIL-S specifications.We are supplier of high quality 321 Stainless Steel Pipe which are manufactured from high grade quality raw materials. WNR 1.4541 pipe is manufactured in adherence with the set industry norms using highly developed technology and finest quality stainless steel. Stainless Steel Cold Drawn 321 Pipe are being used in most of industrial aaplications.We supply ASTM A312 TP321 Welded Pipe after Mill Test Certificate as per EN 10204 as per 3.1/3.2 TC.We can supply ASTM A312 Stainless Steel Seamless Pipes and ASTM A312 TP321 Stainless Steel Pipe in various shapes & Sizes as per requirement of the customer.We are also known as reputed SS 321 Pipe Supplier. We have huge inventory of SS 321 Seamless Pipe, SS 321 Welded Pipe, SS 321 ERW Pipe and SS 321 EFw Pipe which are availble in different customized options and at affordable price.

Stainless Steel ASTM A312 TP321 Pipe Specification

Specifications : ASTM A312 / SA 312 TP321
Dimensions : ASTM, ASME and API
Size : 1/8″NB TO 30″NB IN
Form : Seamless / Welded / ERW / EFW
Seamless 321 Pipes : 1/2" NB – 16" NB
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : ASTM A 312 TP 321 Seamless Pipes
Specialized in : Large Diameter Size
Length : Single Random, Double Random & Cut Length.
Form : Round, Square, Rectangular, Hydraulic Etc
End : Plain End, Beveled End, Treaded

Stainless Steel ASTM A312 TP321 Pipe Sizes

NPS OD SCH 5S SCH 10S SCH 40S SCH 80S
1/4 13.72 1.65 2.24 3.02
3/8 17.15 1.65 2.31 3.2
1/2 21.34 1.65 2.11 2.77 3.73
3/4 26.67 1.65 2.11 2.87 3.91
1 33.4 1.65 2.77 3.38 4.55
1.25 42.16 1.65 2.77 3.56 4.85
1.5 48.26 1.65 2.77 3.68 5.08
2 60.33 1.65 2.77 3.91 5.54
2.5 73.03 2.11 3.05 5.16 7.01
3 88.9 2.11 3.05 5.49 7.62
3.5 101.6 2.11 3.05 5.74 8.08
4 114.3 2.11 3.05 6.02 8.56
5 141.3 2.77 3.4 6.55 9.53
6 168.28 2.77 3.4 7.11 10.97
8 219.08 2.77 3.76 8.18 12.7
10 273.05 3.4 4.19 9.27 12.7
12 323.85 3.96 4.57 9.53 12.7
14 355.6 3.96 4.78 9.53 12.7
16 406.4 4.19 4.78 9.53 12.7
18 457.2 4.19 4.78 9.53 12.7
20 508 4.78 5.54 9.53 12.7
22 558.8 4.78 5.54
24 609.6 5.54 6.35 9.53 12.7
26 660.4
28 711.2
30 762 6.35 7.92

ASTM A312 SS 321 Pipe Schedule Chart

NB Sizes Sch 5 Sch 10 Sch 40 Sch 80 Sch 160
1/8″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3/8″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1 1/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1 1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
2 1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
5″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
6″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size

Stainless Steel ASTM A312 TP321 Equivalent Grades

ASTM  

UNS NO.

KOREA/JAPANES

GERMAN

BRITISH

FRENCH

ITALIAN

STAND ARD  

KS/JIS Symbol

 

KS/JIS Numbe

 

Remarks

 

DIN Type

DIN
Number

Materiral
Number
 

Remarks

B.S
Number

B.S
Grade
 

Remarks

 

AFNOR Type

 

NF Number

 

Ramarks

 

UNI Type

 

UNI Number

 

Ramarks

A 312

Seamless and Welded Austenitic Stainless Steel Pipe

TP 321 S32100 STS 316HTP /SU

D3576 / G3459

-16

x10 CrNiTi 18 9

17440

1.4541

(3b)

3605

321S18 Z6 CNT 18.11 A 49-230 X6 CrNiTi 18
11

6904

(3b)

SS 321 Chemical Composition

A312 GRADES UNS C Mn P S Si Cr Ni Mo Ti Nb N
TP321 S3210 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 0.10

ASTM A312 TP321 Mechanical Properties

ASTM A312 Stainless Steel Pipes Mechanical Properties
Material Heat
Treatment
Temperure
Min.
º F(º C)
Tensile Strength
Ksi (MPa), Min.
Yield Strength
Ksi (MPa), Min.
Elongation %, Min
TP321 Solution 1900(1040) 75(515) 30(205) 35

ASTM A312 SS 321 Seamless Pipe Tolerances

NPS ASTM A312 TP321 OD Tolerance
+
inch mm inch mm
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

ASTM A312 TP 321 Steel Pipe Stock List

ASTM A312 TP 321 Schedule 40 SS Seamless Pipe ASTM A312 TP 321 Schedule 80 SS Pipe
ASTM A312 TP321 Seamless Stainless Steel Pipe ASTM A312 TP321 Stainless Steel Seamless Pipe
ASTM A312 TP 321 Seamless Stainless Steel Pipe ASTM A312 TP321 Stainless Steel Seamless Round Pipe
ASTM A312 SS 321 Seamless Pipe ASME SA 312 TP 321 Stainless Steel Seamless Pipe
ASTM A312 TP321 Seamless Stainless Steel Pipe SS 321 Pipe
SS 321 Seamless Pipe Stainless Steel ASTM A312 TP 321 Seamless Pipe
ASTM A312 TP 321 Seamless Steel Pipe Seamless Stainless Steel ASTM A312 TP 321 Pipe
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