We are leading Manufacturers, Supplier, Dealers, and Exporter of ASTM A312 Stainless Steel Pipe in India. Our ASTM A312 Stainless Steel Pipe is available in different sizes, shapes, and grades. We supply ASTM A312 Stainless Steel Pipe in most of the major Indian cities in more than 20 States. We Sachiya Steel International offer different types of grades like Stainless Steel tubes, Super Duplex Steel Tubes, Duplex Steel Tubes, Carbon Steel tubes, Alloys Steel tubes, Nickel Alloys tubes, Titanium Steel tubes, Inconel Steel tubes, Aluminium tubes, etc.

ASTM A312 Stainless Steel Pipes Production Range and Specifications

Type:  Seamless Cold Drawn Tubes, Hot Finished Seamless Pipes, Welded Pipes, Fabricated Pipes

Grades: TP304, TP304L, TP304H, TP321H, TP321, TP316, TP316L, TP316Ti, TP310S, TP347, TP347H

Size: 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes stainless steel seamless tubes also available

Length: Up to 6 meters, custom cut lengths

Thickness: 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10

Finish: No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Seamless Pipes

ASTM A312 Stainless Steel Pipes OD Tolerance

NPS ASTM A312  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 Stainless Steel Pipes WT Tolerance %

NPS ASTM A312  WT Tolerance, %
+ –
1/8-2 1 /2 20.0 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15.0 12.5
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15.0 12.5

ASTM A312 Stainless Steel Pipes Chemical Composition %

Material ASTM A312  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 … … … . …
TP304H 0.04-0.10 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 … … … …
TP304L 0.035 D 2.00 0.045 0.030 1.00 18.0-20.0 8.0-13.0 … … … …
TP310S 0.08 2.00 0.045 0.030 1.00 24.0-26.0 19.0-22.0 0.75
TP316 0.08 2.00 0.045 0.030 1.00 16.0-18.0 11.0-14.0 2.00-3.00 … … …
TP316L 0.035 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00-3.00 … … …
TP316H 0.04-0.10 2.00 0.045 0.030 1.00 16.0-18.0 11.0-14.0 2.00-3.00 … … …
TP316Ti 0.08 2.00 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.00-3.00 0.10 … 5x(C+N)-0.70
TP321 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 … 0.10 … 5C-0.70
TP321H 0.04-0.10 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 … … … 4C-0.60
TP347 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-13.0 10xC-1.00 …
TP347H 0.04-0.10 2.00 0.045 0.030 1.00 17.0-19.0 9.0-13.0 … … 8xC-1.00 …

ASTM A312 Stainless Steel Pipes Mechanical Properties

ASTM A312  Mechanical Properties
Material Heat
Treatment		 Temperure
Min.
º F(º C)		 Tensile Strength
Ksi (MPa), Min.		 Yield Strength
Ksi (MPa), Min.		 Elongation %, Min
TP304 Solution 1900 (1040) 75(515) 30(205) 35
TP304L Solution 1900 (1040) 70(485) 25(170) 35
TP304H Solution 1900 (1040) 75(515) 30(205) 35
TP310S Solution 1900 (1040) 75(515) 30(205) 35
TP316 Solution 1900(1040) 75(515) 30(205) 35
TP316L Solution 1900(1040) 70(485) 25(170) 35
TP316H Solution 1900(1040) 75(515) 30(205) 35
TP316Ti Solution 1900(1040) 75(515) 30(205) 35
TP321 Solution 1900(1040) 75(515) 30(205) 35
TP321H Solution Cold: 2000(1100)
Hot: 1925(1050)		 75(515) 30(205) 35
TP347 Solution 1900(1040) 75(515) 30(205) 35
TP347H Solution Cold: 2000(1100)
Hot: 1925(1050)		 75(515) 30(205)