Material grades.
Chemical composition and mechanical properties of the 46 ASTM, API and IS grades Teshi Group works with most — for forged flanges and fittings, butt weld fittings, pipe, bolting, castings, plate and structural steel. Open a grade for the full sheet and its PDF.
Forgings
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A105 | 0.35 max | 0.60–1.05 | 0.30 max | 0.40 max | 0.12 max | 485 | 250 |
| ASTM A350 LF2 Cl.1 | 0.30 max | 0.60–1.35 | 0.30 max | 0.40 max | 0.12 max | 485 | 250 |
| ASTM A182 F304 | 0.08 max | 2.00 max | 18.0–20.0 | 8.0–11.0 | — | 515 | 205 |
| ASTM A182 F304L | 0.030 max | 2.00 max | 18.0–20.0 | 8.0–13.0 | — | 485 | 170 |
| ASTM A182 F316 | 0.08 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 515 | 205 |
| ASTM A182 F316L | 0.030 max | 2.00 max | 16.0–18.0 | 10.0–15.0 | 2.00–3.00 | 485 | 170 |
| ASTM A182 F321 | 0.08 max | 2.00 max | 17.0–19.0 | 9.0–12.0 | — | 515 | 205 |
| ASTM A182 F11 Cl.2 | 0.10–0.20 | 0.30–0.80 | 1.00–1.50 | — | 0.44–0.65 | 485 | 275 |
| ASTM A182 F22 Cl.3 | 0.05–0.15 | 0.30–0.60 | 2.00–2.50 | — | 0.87–1.13 | 515 | 310 |
| ASTM A182 F91 | 0.08–0.12 | 0.30–0.60 | 8.0–9.5 | 0.40 max | 0.85–1.05 | 620 | 415 |
| ASTM A182 F51 | 0.030 max | 2.00 max | 21.0–23.0 | 4.5–6.5 | 2.5–3.5 | 620 | 450 |
| UNS N08904 (904L) | 0.020 max | 2.00 max | 19.0–23.0 | 23.0–28.0 | 4.0–5.0 | 490 | 215 |
Butt weld fittings
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A234 WPB | 0.30 max | 0.29–1.06 | 0.40 max | 0.40 max | 0.15 max | 415 | 240 |
| ASTM A234 WP11 Cl.1 | 0.05–0.15 | 0.30–0.60 | 1.00–1.50 | — | 0.44–0.65 | 415 | 205 |
| ASTM A234 WP22 Cl.1 | 0.05–0.15 | 0.30–0.60 | 1.90–2.60 | — | 0.87–1.13 | 415 | 205 |
| ASTM A420 WPL6 | 0.30 max | 0.50–1.35 | 0.30 max | 0.40 max | 0.12 max | 415 | 240 |
| ASTM A403 WP304 | 0.08 max | 2.00 max | 18.0–20.0 | 8.0–11.0 | — | 515 | 205 |
| ASTM A403 WP304L | 0.030 max | 2.00 max | 18.0–20.0 | 8.0–12.0 | — | 485 | 170 |
| ASTM A403 WP316 | 0.08 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 515 | 205 |
| ASTM A403 WP316L | 0.030 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 485 | 170 |
Pipe
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A106 Gr.B | 0.30 max | 0.29–1.06 | 0.40 max | 0.40 max | 0.15 max | 415 | 240 |
| ASTM A53 Gr.B (seamless) | 0.30 max | 1.20 max | 0.40 max | 0.40 max | 0.15 max | 415 | 240 |
| API 5L Gr.B PSL1 | 0.28 max | 1.20 max | 0.50 max | 0.50 max | 0.15 max | 415 | 245 |
| ASTM A312 TP304 | 0.08 max | 2.00 max | 18.0–20.0 | 8.0–11.0 | — | 515 | 205 |
| ASTM A312 TP304L | 0.035 max | 2.00 max | 18.0–20.0 | 8.0–13.0 | — | 485 | 170 |
| ASTM A312 TP316 | 0.08 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 515 | 205 |
| ASTM A312 TP316L | 0.035 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 485 | 170 |
| ASTM A335 P11 | 0.05–0.15 | 0.30–0.60 | 1.00–1.50 | — | 0.44–0.65 | 415 | 205 |
| ASTM A335 P22 | 0.05–0.15 | 0.30–0.60 | 1.90–2.60 | — | 0.87–1.13 | 415 | 205 |
| ASTM A335 P91 | 0.08–0.12 | 0.30–0.60 | 8.00–9.50 | 0.40 max | 0.85–1.05 | 585 | 415 |
Bolting
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A193 B7 | 0.37–0.49 | 0.65–1.10 | 0.75–1.20 | — | 0.15–0.25 | 860 | 720 |
| ASTM A193 B7M | 0.37–0.49 | 0.65–1.10 | 0.75–1.20 | — | 0.15–0.25 | 690 | 550 |
| ASTM A193 B16 | 0.36–0.47 | 0.45–0.70 | 0.80–1.15 | — | 0.50–0.65 | 860 | 725 |
| ASTM A193 B8 Cl.1 | 0.08 max | 2.00 max | 18.0–20.0 | 8.0–11.0 | — | 515 | 205 |
| ASTM A193 B8M Cl.1 | 0.08 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | 515 | 205 |
| ASTM A194 2H | 0.40 min | 1.00 max | — | — | — | — | — |
| ASTM A194 2HM | 0.40 min | 1.00 max | — | — | — | — | — |
| ASTM A194 8 | 0.08 max | 2.00 max | 18.0–20.0 | 8.0–11.0 | — | — | — |
| ASTM A194 8M | 0.08 max | 2.00 max | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | — | — |
| ASTM A320 L7 | 0.38–0.48 | 0.75–1.00 | 0.80–1.10 | — | 0.15–0.25 | 860 | 725 |
Castings
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A216 WCB | 0.30 max | 1.00 max | 0.50 max | 0.50 max | 0.20 max | 485 | 250 |
| ASTM A351 CF8M | 0.08 max | 1.50 max | 18.0–21.0 | 9.0–12.0 | 2.0–3.0 | 485 | 205 |
Structural & plate steel
| Grade | C% | Mn% | Cr% | Ni% | Mo% | TensileMPa min | YieldMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A516 Gr.70 | 0.27 max (≤12.5 mm) to 0.31 max (>100 mm) | 0.85–1.20 | — | — | — | 485 | 260 |
| ASTM A36 | 0.25 max (plate ≤20 mm) to 0.29 max (>100 mm) | 0.80–1.20 (plate >20 mm; not specified ≤20 mm) | — | — | — | 400 | 250 |
| IS 2062 E250 BR | 0.22 max | 1.50 max | — | — | — | 410 | 250 |
| IS 2062 E350 BR | 0.20 max | 1.55 max | — | — | — | 490 | 350 |
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
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