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ASTM A358/ASME SA358,Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service.
Grades:304, 304L, 310S, 316,316L,316H,317L,321,321H, 347, 347H...
Classes(CL):CL1,CL2,CL3,CL4,CL5
ASTM A358 CL1 - A358 304 Pipe shall be double welded by processes employing filler metal in all passes and shall be completely radiographed.
ASTM A358 CL2 - A358 316L Pipe shall be double welded by processes employing filler metal in all passes. No radiography is required.
ASTM A358 CL3 - Pipe shall be single welded by processes employing filler metal in all passes and shall be completely radiographed.
ASTM A358 CL4 - Same as Class 3 except that the weld pass exposed to the inside pipe surface may be made without the addition of filler metal.
ASTM A358 CL5 - Pipe shall be double welded by processes employing filler metal in all passes and shall be spot radiographed.
Outer diameter size: Electric Fusion Welded / ERW- 8" NB To 110" NB (Nominal Bore Size)
Wall thickness: Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness)
Length: Single random length/ Double random length or as customer's actual request.
ASTM A358 Chemical Composition
| 
 A358 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  | 
 
  | 
| 
 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  | 
 
  | 
| 
 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  | 
 
  | 
| 
 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  | 
 
  | 
| 
 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  | 
 
  | 
 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-  | 
 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 A358 Mechanical Properties
| 
 Material  | 
 
Heat  | 
 
Temperure  | 
 
Tensile Strength  | 
 
Yield Strength  | 
 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)  | 
 75(515)  | 
 30(205)  | 
 35  | 
| 
 TP347  | 
 Solution  | 
 1900(1040)  | 
 75(515)  | 
 30(205)  | 
 35  | 
| 
 TP347H  | 
 Solution  | 
 
Cold: 2000(1100)  | 
 75(515)  | 
 30(205)  | 
 
  | 
ASTM A358 Equivalent
| 
 
ASTM  | 
 UNS NO.  | 
 KOREA/JAPANES  | 
 GERMAN  | 
 BRITISH  | 
 FRENCH  | 
 ITALIAN  | 
||||||||||
| 
 KS/JIS Symbol  | 
 KS/JIS Numbe  | 
 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 358  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
| 
 Grade 304  | 
 S30400  | 
 
STS 304TPY/  | 
 D3588 / G3468  | 
 X5 CrNi 18 9  | 
 17440  | 
 1.4301  | 
 (3b)  | 
 3605  | 
 304S25  | 
 LWHT(3b)  | 
 Z6 CN 18.09  | 
 A36-209  | 
 (3b)  | 
 X6 CrNi 18 10  | 
 8317  | 
 (3b)  | 
| 
 Grade 310  | 
 S31000  | 
 
STS 310STPY/  | 
 D3588 / G3468  | 
 X 12 CrNi 25 21  | 
 
  | 
 1.4845  | 
 WBL-470(3b)  | 
 
  | 
 
  | 
 (3)  | 
 
  | 
 A36-209  | 
 
  | 
 X22 CrNi 25 20  | 
 6900  | 
 (3b)(11)  | 
| 
 Grade 316  | 
 S31600  | 
 STS 316TPY / SUS316TPY  | 
 D3588 / G3468  | 
 X5 CrNiMo 18 10  | 
 17440  | 
 1.4401  | 
 (3b)  | 
 3605  | 
 316S26  | 
 LWHT(3b)  | 
 Z6 CND 17.11  | 
 A36-209  | 
 (3b)  | 
 X6CrNiMo 17 12  | 
 8317  | 
 (3b)  | 
| 
 Grade 321  | 
 S32100  | 
 
STS 321TPY/  | 
 D3588 / G3468  | 
 X10 CrNiTi 18 9  | 
 17440  | 
 1.4541  | 
 (3b)(17)  | 
 3605  | 
 321S22  | 
 LWHT(3b)  | 
 Z6 CNT 18.10  | 
 A36-209  | 
 (3b)  | 
 X6 CrNiTi 18 10  | 
 8317  | 
 (3b)  | 
| 
 Grade 347  | 
 S34700  | 
 
STS 347TPY/  | 
 D3588 / G3468  | 
 X10 CrNiNb 18 9  | 
 17440  | 
 1.4550  | 
 (3b)(17)  | 
 3605  | 
 347S17  | 
 LWHT(3b)  | 
 Z6 CN Nb 18.10  | 
 A36-209  | 
 (3b)  | 
 X6 CrNiNb 18 10  | 
 8317  | 
 (3b)#nps  | 
ASTM A358 Pipe Tolerances
| 
 NPS Designator  | 
 Permissible Variations in Outside Diameter  | 
|
| 
 Over In.  | 
 Under In.  | 
|
| 
 1/8 to 1-1/2, incl  | 
 1/64 (0.015)  | 
 1/32 (0.031)  | 
| 
 Over 1-1/2 to 4, incl  | 
 1/32 (0.031)  | 
 1/32 (0.031)  | 
| 
 Over 4 to 8, incl  | 
 1/16 (0.062)  | 
 1/32 (0.031)  | 
| 
 Over 8 to 18, incl  | 
 3/23 (0.093)  | 
 1/32 (0.031)  |