ASTM A312 Stainless Steel Pipe




ASTM A312 Material Exporter,ASTM A312 Specification, ASTM A312 Schedule 40 Pipe

Superior Steel Overseas is highly acclaimed supplier, stockist and distributor of ASTM A312 Pipe Material,ASTM A312 specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.Some of the austenitic stainless steel grades TP304, TP304L, and TP347 covered by this specification are accepted by ASME pressure vessel or piping codes without the necessity of making the actual test.We carries a complete line of ASTM A312 Stainless Steel Seamless Pipe also in customized size & standard, available in both welded and seamless at best price in India.

ASTM A312 Pipe Specifications

Sizes: 1/8" to 24"
Grades:    TP304/304L/304H
Schedules:          STD, XS, XXS, SCH5S, SCH10/10S, SCH20, SCH30, SCH40/40S, SCH60, SCH80/80S, SCH100, SCH120, SCH140, SCH160
Standards:               ASTM A312, ASME SA312
Lengths: SRL and DRL 5meters up to 11meters available from Stock or Production.
Ends: Plain/Bevelled

ASTM A312 Pipe Tolerances

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 Pressure Ratings

ASTM A312 Pipe Pressure Rating

ASTM A312 Chemical Composition

A312 GRADES UNS C Mn P S Si Cr Ni Mo Ti Nb N
TP304 S3040 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0
TP304L S30403 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-13.0
TP304H S30409 0.04-0.10 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0
TP304N S30451 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-18.0 0.10-0.16
TP304LN S30453 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-12.0 0.10-0.16
TP309S S30908 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0 0.75
TP309H S30909 0.04-0.10 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0
TP309Cb S30940 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP309HCb S30941 0.04-0.10 2.0 0.045 0.030 1.0 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP310S S3108 0.08 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75
TP310H S3109 0.04-0.10 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0
TP310Cb S31040 0.08 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP310HCb S31041 0.04-0.10 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP316 S3160 0.08 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0
TP316L S31603 0.035 2.0 0.045 0.030 1.0 16.0-18.0 10.0-14.0 2.0-3.0
TP316H S31609 0.04-0.10 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0
TP316Ti S31635 0.08 2.0 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.0-3.0 5x
(C-N)
-0.70
0.10
TP316N S31651 0.08 2.0 0.045 0.030 1.0 16.0-18.0 10.0-14.0 2.0-3.0 0.10-0.16
TP316LN S31653 0.035 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0 0.10-0.16
TP317 S3170 0.08 2.0 0.045 0.030 1.0 18.0-20.0 10.0-14.0 3.0-4.0
TP317L S31703 0.035 2.0 0.045 0.030 1.0 18.0-20.0 11.0-15.0 3.0-4.0
TP321 S3210 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 0.10
TP321H S32109 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 0.10
TP347 S3470 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP347H S34709 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP347LN S34751 0.05-0.02 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0 0.20-
50.0
0.06-0.10
TP348 S3480 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0
TP348H S34809 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0

ASTM A312 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
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)

ASTM A312 Equivalent

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 304 S30400 STS 304TP / SUS 304 TP

D3576 / G3459

-16

X5CrNi 18 9

17440

1.4301

(3b)

3605

304S18 TU Z6 CN19- 10 A 49-230 X5 CrNi 18
10

6904

(3b)
TP 304H S30409 STS 304HTP / SUS 304HTP

D3576 / G3459

-16

-3

3605

304S59 TU Z6 CN19- 10 A 49-214 X8 CrNi 19
10

6904

(3b)
TP 304L S30403 STS 304LTP/SU

D3576 / G3459

-16

X2 CrNi 19 9

17440

1.4306

(3b)

3605

304S14 TU Z2 CN19- 11 A 49-230 X2 CrNi 18
11

6904

(3b)
TP 310 S31000 304LTP

D3576 / G3459

-16

-3

X22 Cr Ni 25 20

6904

(3b)(11)
TP 316 S31600 STS 310STP/SU

D3576 / G3459

-16

X5 CrNiMo 18 10

17440

1.4401

(3b)

3605

316S18 Z 6 CND
17.11
A 35-573 (3b) X5 CrNiMo 17 12

6904

(3b)
TP 316H S34609 310STP

D3576 / G3459

-16

-3

3605

316S59 TUZ6CND17- 12 A 49-230 X8 CrNiNb 17
12

6904

(3b)
TP 316L S31603 STS 316TP / SUS 316TP

D3576 / G3459

-16

X2 CrNiMo 18 10

17440

1.4404

(3b)

3605

316S14 TUNZ2CND1 7-12 A 49-230 X2 CrNiMo 17 12

6904

Dalmine 941(3b)
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)
TP 347 S34700 316HTP

D3576 / G3459

-16

X5 CrNiNb 18 9

1.4543

(3b)

3605

347S18 Z6 CNNb 18.11 A 35-573 (3b) X6 CrNiNb 18
11

6904

(3b)
TP 347H S34709 STS 316LTP /SU

D3576 / G3459

-16

-3

X6 CrNiNb 18
11

6904

(3b)
321LTP
STS 321TP / SUS 321TP
STS 347TP / SUS 347TP
STS 347HTP / SUS 347HTP

ASTM A312 Tensile Strength

SS Pipes Grade Tensile Strength, N/mm2 (min) Yield Strength, N/mm2 (min) Elongation, % (min)
TP304 515 205 35
TP304L 485 170 35
TP316 515 205 35
TP316L 485 170 35
TP321 OD < 17,1 mm – 515; OD < 17,1 mm – 205; 35
OD > 17,1 mm – 485 OD > 17,1 mm – 170
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