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| Scope | ASTM A671 TABLE 1 | ASTM A672 TABLE 1 | ASTM A691 TABLE 1 |



| API 5L | B X42. X46. X52. X60 .X65. X70. X80. X100 | Line Pipe (PSL1. PSL2) |
| API 2B | Fabrication of Structure Steel Pipe | |
| ASTM A134 | Pipe, Steel, Electric-Fusion(Arc)-Welded (Size NPS 16 and over) | |
| ASTM A139 | A, B | Electric-Fusion(Arc)-Welded Steel Pipe (Size NPS 4 and over) |
| ASTM A252 | 1, 2, 3 | Welded and Seamless Steel Pipe Piles |
| ASTM A671 | All | Electric-Fusion-Welded Steel Pipe for Atmospheric & Low Temperature |
| ASTM A672 | All | Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperature |
| ASTM A691 | Carbon and Alloy Steel Pipe, Electric-Fusion Welded for High Pressure Service at High Temperatures |
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| JIS G 3444 | STK 290,400,490,500,540 |
Carbon Steel Tubes for General Structural Purpose |
| JIS G 3457 | STPY 400 | Arc Welded Carbon Steel Pipe |
| KS D 3583 | SPW 400 | Arc Welded Carbon Steel Pipe |
| KS D 3566 | STK 290,400,490,500,540 |
Carbon Steel Tubes for General Structural Purpose |
| Pipe Grade | Type of Steel | ASTM Specification | |
| No. | Grade | ||
| CA 55 | plain carbon | A 285/A 285M | C |
| CB 60 | plain carbon, killed | A 515/A 515M | 60 |
| CB 65 | plain carbon, killed | A 515/A 515M | 65 |
| CB 70 | plain carbon, killed | A 515/A 515M | 70 |
| CC 60 | plain carbon, killed, fine grain | A 516/A 516M | 60 |
| CC 65 | plain carbon, killed, fine grain | A 516/A 516M | 65 |
| CC 70 | plain carbon, killed, fine grain | A 516/A 516M | 70 |
| CD 70 | manganese-silicon, normalized | A 537/A 537M | 1 |
| CD 80 | manganese-silicon, quenched and tempered | A 537/A 537M | 2 |
| CE 55 | plain carbon | A 442/A 442M | 55 |
| CE 60 | plain carbon | A 442/A 442M | 60 |
| CF 65 | nickel steel | A 203/A 203M | A |
| CF 70 | nickel steel | A 203/A 203M | B |
| CF 66 | nickel steel | A 203/A 203M | D |
| CF 71 | nickel steel | A 203/A 203M | E |
| CJ 101 | alloy steel, quenched and tempered | A 517/A 517M | A |
| CJ 102 | alloy steel, quenched and tempered | A 517/A 517M | B |
| CJ 103 | alloy steel, quenched and tempered | A 517/A 517M | C |
| CJ 104 | alloy steel, quenched and tempered | A 517/A 517M | D |
| CJ 105 | alloy steel, quenched and tempered | A 517/A 517M | E |
| CJ 106 | alloy steel, quenched and tempered | A 517/A 517M | F |
| CJ 107 | alloy steel, quenched and tempered | A 517/A 517M | G |
| CJ 108 | alloy steel, quenched and tempered | A 517/A 517M | H |
| CJ 109 | alloy steel, quenched and tempered | A 517/A 517M | J |
| CJ 110 | alloy steel, quenched and tempered | A 517/A 517M | K |
| CJ 111 | alloy steel, quenched and tempered | A 517/A 517M | L |
| CJ 112 | alloy steel, quenched and tempered | A 517/A 517M | M |
| CJ 113 | alloy steel, quenched and tempered | A 517/A 517M | P |
| CK 75 | carbon-manganese-silicon | A 299/A 299M | |
| CP 65 | alloy steel, age hardening, nomalized and precipitation heat treated | A 736/A 736M | 2 |
| CP 75 | alloy steel, age hardening, nomalized and precipitation heat treated | A 736/A 736M | 3 |
| Pipe Grade | Type of Steel | ASTM Specification | |
| No. | Grade | ||
| A45 | plain carbon | A 285 | A |
| A50 | plain carbon | A 285 | B |
| A65 | plain carbon | A 285 | C |
| B55 | plain carbon, killed | A 515 | 55 |
| B60 | plain carbon, killed | A 515 | 60 |
| B65 | plain carbon, killed | A 515 | 65 |
| B70 | plain carbon, killed | A 515 | 70 |
| C55 | plain carbon, killed, fine grain | A 516 | 55 |
| C60 | plain carbon, killed, fine grain | A 516 | 60 |
| C65 | plain carbon, killed, fine grain | A 516 | 65 |
| C70 | plain carbon, killed, fine grain | A 516 | 70 |
| D70 | manganese-silicon-nomalized | A 537 | 1 |
| D80 | manganese-silicon-Q&T A | A 537 | 2 |
| E55 | plain carbon | A 442 | 55 |
| E60 | plain carbon | A 442 | 60 |
| H75 | manganese-molybdenum-nomalized | A 302 | A |
| H80 | manganese-molybdenum-nomalized | A 302 | B, C or D |
| J80 | manganese-molybdenum-Q&T A | A 533 | CI-1 B |
| J90 | manganese-molybdenum-Q&T A | A 533 | CI-2 B |
| J100 | manganese-molybdenum-Q&T A | A 533 | CI-3 B |
| K75 | chromium-manganese-silicon | A202 | A |
| K857 | chromium-manganese-silicon | A202 | B |
| L65 | molybdenum | A204 | A |
| L70 | molybdenum | A204 | B |
| L75 | molybdenum | A204 | C |
| N75 | manganese-silicon | A 299 | ... |
| Pipe Grade | Type of Steel | ASTM Specification | HB, max A | |
| Number | Grade | |||
| CM-65 | carbon-molybdenum steel | A 204/A 204M | A | 201 |
| CM-70 | carbon-molybdenum steel | A 204/A 204M | B | 201 |
| CM-75 | carbon-molybdenum steel | A 204/A 204M | C | 201 |
| CMSH-70 | carbon-manganese-silicon steel, normalized | A 537/A 537M | 1 | |
| CMS-75 | carbon-manganese-silicon steel | A 299/A 299M | ... | ... |
| CMSH-80 | carbon-manganese-silicon steel, quenched and tempered | A 537/A 537M | 2 | |
| 1/2 CR | 1/2% chromium, 1/2% molybdenum steel | A 387/A387M | 2 | 201 |
| 1CR | 1% chromium, 1/2% molybdenum steel | A 387/A387M | 12 | 201 |
| 1 1/4 CR | 1 1/4% chromium, 1/2% molybdenum steel | A 387/A387M | 11 | 201 |
| 2 1/4CR | 2 1/4% chromium, 1% molybdenum steel | A 387/A387M | 22 | 201 |
| 3CR | 3% chromium, 1% molybdenum steel | A 387/A387M | 2f | 201 |
| 5CR | 5% chromium, 1/2% molybdenum steel | A 387/A387M | 5 | 225 |
| 9CR | 9% chromium, 1% molybdenum steel | A 387/A387M | 9 | 241 |