Chemical Composition
| CHEMICAL COMPOSITION (IN PERCENTAGE) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo | Nitrogen (Max) | Cu / Others |
| 301 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00 – 18.00 | 6.00 – 8.00 | – | 0.10 | – |
304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 – 20.00 | 8.00- 10.50 | – | 0.10 | – |
304L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 – 20.00 | 8.00- 12.00 | – | 0.10 | – |
310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.00- 26.00 | 19.00 – 22.00 | – | – | – |
316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | 0.10 | – |
316L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | 0.10 | – |
317 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 – 20.00 | 11.00 – 14.00 | 3.00 – 4.00 | 0.10 | – |
317L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 – 20.00 | 11.00 – 15.00 | 3.00 – 4.00 | 0.10 | – |
321 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.00 – 19.00 | 9.00 – 12.00 | – | 0.10 | Ti5 ( C + N ) Min or 0.70 max |
347 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.00 – 19.00 | 9.00 – 13.00 | – | – | Cb= 10x ( C Min ) or 1.00 Max |
409 | 0.08 | 1.00 | 0.040 | 0.010 | 1.00 | 10.50 – 11.75 | 0.50 | – | – | Ti= 6x (C+ N ) Min or 0.70 Max |
409M | 0.03 | 0.81.2 | 0.030 | 0.030 | 0.40.75 | 11.00- 12.00 | 1.5 max. | – | – | Ti= 6x (C) Min or 0.70 Max |
410S | 0.08 | 1.00 | 0.040 | 0.030 | 1.00 | 11.50- 13.50 | 0.60 | – | – | – |
410 | 0.15 | 1.00 | 0.040 | 0.030 | 1.00 | 11.50- 13.50 | 0.75 | – | – | – |
420 | 0.35 | 0.50 | 0.035 | 0.015 | 0.50 | 12.00 – 13.00 | 0.20.3 | – | – | – |
430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 16.00 – 18.00 | 0.75 | – | – | – |
JSL AUS | 0.08 | 7.08.0 | 0.070 | 0.030 | 0.75 | 15.50 – 16.50 | 4.25 – 4.75 | – | – | 0.9 – 1.10 |
JS- 203 | 0.08 | 9.2510.25 | 0.070 | 0.030 | 0.75 | 14.25 – 15.25 | 2.25 – 2.75 | – | – | 1.60- 2.0 |
301M | 0.10 | 4.55.5 | 0.060 | 0.030 | 0.75 | 14.50 – 15.50 | 6.0 – 7.0 | – | – | 1.70- 1.90 |
* Thickness of 1.27mm & below will have elongation of 20% min. | ||||||||||
Delivery condition
| PSL | Delivery Condition | Pipe Grade |
|---|---|---|
| PSL1 | As-rolled, normalized, normalizing formed | A |
| As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered or if agreed Q&T SMLS only | B | |
| As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered | X42, X46, X52, X56, X60, X65, X70 | |
| PSL2 | As-rolled | BR, X42R |
| Normalizing rolled, normalizing formed, normalized or normalized and tempered | BN, X42N, X46N, X52N, X56N, X60N | |
| Quenched and tempered | BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q | |
| Thermomechanical rolled or thermomechanical formed | BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M | |
| Thermomechanical rolled | X90M, X100M, X120M | |
| Note: The suffix (R, N, Q or M) for PSL2 grades belongs to the steel grade. | ||
Chemical requirements
Chemical Composition for PSL 1 pipe with t ≤ 0.984”
| Steel Grade | C (max) | Mn (max) | P (max) | S (max) | V (max) | Nb (max) | Ti (max) |
|---|---|---|---|---|---|---|---|
| [Enter Steel Grade] | [Enter C max] | [Enter Mn max] | [Enter P max] | [Enter S max] | [Enter V max] | [Enter Nb max] | [Enter Ti max] |
| Steel Grade | C (max) | Mn (max) | P (max) | S (max) | V (max) | Nb (max) | Ti (max) |
|---|---|---|---|---|---|---|---|
| A | 0.22 | 0.9 | 0.3 | 0.3 | – | – | – |
| B | 0.28 | 1.2 | 0.3 | 0.3 | c,d | c,d | d |
| X42 | 0.28 | 1.3 | 0.3 | 0.3 | d | d | d |
| X46 | 0.28 | 1.4 | 0.3 | 0.3 | d | d | d |
| X52 | 0.28 | 1.4 | 0.3 | 0.3 | d | d | d |
| X56 | 0.28 | 1.4 | 0.3 | 0.3 | d | d | d |
| X60 | 0.28 e | 1.40 e | 0.3 | 0.3 | f | f | f |
| X65 | 0.28 e | 1.40 e | 0.3 | 0.3 | f | f | f |
| X70 | 0.28 e | 1.40 e | 0.3 | 0.3 | f | f | f |
- a. Cu ≤ 0.50%, Ni ≤ 0.50%, Cr ≤ 0.50%, and Mo ≤ 0.15%
- b. For each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for Mn is permissible:
- Up to a maximum of 1.65% for grades ≥ L245 or B, but ≤ L360 or X52
- Up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70
- Up to a maximum of 2.00% for grade L485 or X70
- c. Unless otherwise agreed, Nb + V ≤ 0.06%
- d. Nb + V + Ti ≤ 0.15%
- e. Unless otherwise agreed.
- f. Unless otherwise agreed, Nb + V = Ti ≤ 0.15%
- g. No deliberate addition of B is permitted and the residual B ≤ 0.001%
Chemical Composition for PSL 2 pipe with t ≤ 0.984”
| Steel Grade | Mass fraction, % based on heat and product analyses | Carbon Equivalenta | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C (max)b | Si (max) | Mn (max)b | P (max) | S (max) | V (max) | Nb (max) | Ti (max) | Other (max) | CE IIW | CE Pcm | |
| [Enter Grade] | [C] | [Si] | [Mn] | [P] | [S] | [V] | [Nb] | [Ti] | [Other] | [CE IIW] | [CE Pcm] |
Seamless and Welded Pipe
| Steel Grade | Mass fraction, % based on heat and product analyses | Carbon Equivalenta | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C (max)b | Si (max) | Mn (max)b | P (max) | S (max) | V (max) | Nb (max) | Ti (max) | Other (max) | CE IIW | CE Pcm | |
| BR | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | c | c | 0.04 | e,l | 0.43 | 0.25 |
| X42R | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| BN | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | c | c | 0.04 | e,l | 0.43 | 0.25 |
| X42N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X46N | 0.24 | 0.4 | 1.4 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 |
| X52N | 0.24 | 0.45 | 1.4 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 |
| X56N | 0.24 | 0.45 | 1.4 | 0.025 | 0.015 | 0.10f | 0.05 | 0.04 | d,e,l | 0.43 | 0.25 |
| X60N | 0.24f | 0.45f | 1.40f | 0.025 | 0.015 | 0.10f | 0.05f | 0.04f | g,h,l | As agreed | |
| BQ | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X42Q | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X46Q | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X52Q | 0.18 | 0.45 | 1.5 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X56Q | 0.18 | 0.45f | 1.5 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | e,l | 0.43 | 0.25 |
| X60Q | 0.18f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 |
| X65Q | 0.18f | 0.45f | 1.70f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 |
| X70Q | 0.18f | 0.45f | 1.80f | 0.025 | 0.015 | g | g | g | h,l | 0.43 | 0.25 |
| X80Q | 0.18f | 0.45f | 1.90f | 0.025 | 0.015 | g | g | g | i,j | As agreed | |
| X90Q | 0.16f | 0.45f | 1.9 | 0.02 | 0.01 | g | g | g | j,k | As agreed | |
| X100Q | 0.16f | 0.45f | 1.9 | 0.02 | 0.01 | g | g | g | j,k | As agreed | |