Steel grade equivalents across nine standards.
Type any grade in any standard (SS 304, 1.4404, SUS316L, EN24, 42CrMo4, IS 2062 E250, Q355B) and see every equivalent designation with its chemical composition, mechanical properties and typical uses. Each grade links to a full data page with the source its limits were verified from.
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01 / Calculate stock weight
02 / Find a grade
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Search by Indian, American, European, German, British, Japanese or Chinese designation. Review available designation leads, chemistry, mechanical properties and typical uses. Nearest grades are not automatically interchangeable.
Find nearest grades from a composition
Grade not available? Press “Find other nearest grades” under any composition above, or paste a composition here: a row copied from this toolkit, a spreadsheet, a standard, or a mill certificate.
Full gauge table
SWG (British Standard Wire Gauge, BS 3737) is used for sheet and wire; BWG (Birmingham Wire Gauge) for tube walls. Weights are for 1 m² of steel sheet at 7.85 g/cm³.
Paste the chemistry from a mill test certificate. The checker tests it against every grade and shows which ones it meets, nearly meets or misses, element by element.
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CEV (IIW) = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15. Pcm = C + Si/30 + (Mn+Cu+Cr)/20 + Ni/60 + Mo/15 + V/10 + 5B.
Limits are heat (ladle) analysis in wt%, from the first standard listed for each grade; where limits change with thickness, the thinnest bracket is used. This is a screening aid, not a certificate of conformity. Final acceptance depends on the standard edition, product analysis tolerances, mechanical tests and the purchase order.
Theoretical weight from nominal size and density. Actual weight varies within mill tolerances.
Pressure figures are inherited equation estimates, not certified ratings, hydrotest instructions or engineering approval. Confirm allowable stress, temperature, fabrication factors, corrosion and the governing code with a qualified engineer.
Pressure estimate screening only · straight-pipe equation assumptions
S is filled with the B31.3 allowable at ≤38 °C (100 °F): the lesser of UTS/3 and ⅔ of yield. For higher temperatures, type the code allowable at your design temperature. Both results below use the minimum wall (nominal minus mill tolerance minus corrosion allowance).
Show the full schedule table
5S, 10S, 40S and 80S per ASME B36.19M (stainless). Sch 10, 20, 40, 80, 160, STD, XS and XXS per ASME B36.10M (carbon and alloy). Up to 10", 40S = STD = Sch 40 and 80S = XS = Sch 80. Weights are theoretical.
Pressure ratings are an engineering estimate, not a design approval. B31.3 MAWP = 2·S·E·W·t ÷ (D − 2·Y·t), with W = 1.0 and Y = 0.4 (valid for t < D/6 and below the creep range). Barlow = 2·Sy·t ÷ D ÷ safety factor, a quick yield-based check. Flanges, fittings, valves and branch connections often rate lower than the pipe. Have the piping design checked by the responsible engineer.
Full table
Full table, all sizes
Center-to-end and length dimensions per ASME B16.9. Wall thickness and bevel match the pipe schedule ordered. Weights are published approximate weights for carbon steel, STD and XS walls. Stainless butt-weld fittings to MSS SP-43 (5S/10S) are lighter.
| Class | Ends | Matching pipe | Sizes |
|---|---|---|---|
| 2000 | Threaded only | Sch 40 / STD | ⅛" to 4" |
| 3000 | Socket weld and threaded | Sch 80 / XS | ⅛" to 4" |
| 6000 | Socket weld and threaded | Sch 160 | ⅛" to 2" (threaded to 4") |
| 9000 | Socket weld only | XXS | ½" to 2" |
Match the fitting class to the pipe schedule: a Class 3000 fitting on Sch 160 pipe is the weak point of the line. Threads are NPT (ASME B1.20.1) unless BSP is ordered. Unions are to MSS SP-83, swage nipples to MSS SP-95, branch outlets (weldolet, sockolet, threadolet) to MSS SP-97. Detailed B16.11 dimensions are being added after independent checking.
Length
Weight
Pressure / stress
Temperature
Hardness and tensile strength (approximate, carbon and alloy steel)
Type any one value. Hardness scales per ASTM E140 Table 1; approximate tensile strength per ASTM A370 Table 3 / SAE J417, for carbon and alloy steels in the annealed, normalised or quenched-and-tempered condition. Not valid for austenitic stainless, cold-worked material or non-ferrous metals. Expect ±10% on tensile.
Show the full hardness–tensile table
Aluminium tempers (what the letters mean)
- F
- As fabricated, no property guarantee
- O
- Fully annealed, softest and most formable
- H1x
- Strain hardened only (H12 quarter hard, H14 half hard, H16 three-quarter hard, H18 full hard)
- H2x
- Strain hardened, then partially annealed (H22, H24, H26)
- H3x
- Strain hardened and stabilised, used for 5xxx alloys (H32, H34, H38)
- H111 / H116 / H321
- 5xxx marine tempers; H116 and H321 are tested for exfoliation corrosion
- T3
- Solution treated, cold worked, naturally aged (2024-T3)
- T4
- Solution treated and naturally aged
- T5
- Cooled from extrusion and artificially aged (6063-T5)
- T6
- Solution treated and artificially aged: peak strength (6061-T6, 7075-T6)
- Tx51 / Tx511
- Stress relieved by stretching (T651 plate, T6511 extrusions): stable when machined
- T73 / T7351 / T76
- Over-aged for stress-corrosion resistance (7075-T7351)
- T8
- Solution treated, cold worked, artificially aged
My requirement list
Add items from the calculator, pipe schedules or grade finder. Send the list to Steel Impex India, or download it as a PDF estimate to share with your team. The list is saved on this device.
© 2026 Steel Impex India. The Metal Toolkit and its grade database are compiled by Steel Impex India and protected as a copyright compilation. Free to use for your own work; copying, scraping or republishing the data requires a written licence. Grade data is a guide drawn from published standards; always verify against the current edition of the standard and your purchase specification. Terms of use and licensing · Privacy
All 253 grades: equivalents, chemistry and properties
Al-Zn coated sheet
Alloy engineering steel
Aluminium (casting)
Aluminium (wrought)
- Aluminium 1050 / 1050A
- Aluminium 1060
- Aluminium 1070
- Aluminium 1100
- Aluminium 1200
- Aluminium 1350 (EC grade)
- Aluminium 2011 (free machining)
- Aluminium 2014
- Aluminium 2017 / 2017A
- Aluminium 2024
- Aluminium 2219
- Aluminium 2618
- Aluminium 3003
- Aluminium 3004
- Aluminium 3105
- Aluminium 4032
- Aluminium 4043 (filler)
- Aluminium 4047 (brazing)
- Aluminium 5005
- Aluminium 5052
- Aluminium 5056
- Aluminium 5083
- Aluminium 5086
- Aluminium 5154 / 5754
- Aluminium 5182
- Aluminium 5454
- Aluminium 6005A
- Aluminium 6016 (auto body)
- Aluminium 6060
- Aluminium 6061
- Aluminium 6063
- Aluminium 6082
- Aluminium 6101 (busbar)
- Aluminium 6262 (free machining)
- Aluminium 6351
- Aluminium 6463 (bright trim)
- Aluminium 7005
- Aluminium 7020
- Aluminium 7050
- Aluminium 7075
- Aluminium 7475
- Aluminium 8011
- Aluminium 8079
Austenitic stainless
Austenitic stainless (200 series)
Bearing steel
Brass
- Admiralty brass
- Aluminium brass
- Cartridge brass 70/30
- Commercial bronze 90/10
- DZR brass (dezincification resistant)
- Forging brass CW617N
- Free-cutting brass
- Free-cutting brass C36000
- Gilding metal 95/5
- High tensile brass (manganese bronze)
- Leaded naval brass
- Low brass 80/20
- Muntz metal 60/40
- Naval brass
- Red brass 85/15
- Yellow brass 65/35 · 63/37
Bronze
Bronze (cast)
Carbon engineering steel
Carbon steel fitting
Carbon steel forging
Carbon steel pipe
Carbon-manganese engineering steel
Case-hardening steel
Chrome-moly alloy steel
Cobalt alloy
Cold rolled sheet
Colour coated sheet
Copper
Duplex stainless
Ferritic stainless
Free-cutting steel
Galvanized sheet
High-speed steel
High-tensile Q&T plate
Low-temperature pipe
Magnesium
Nickel alloy
Precipitation-hardening stainless
Pressure vessel plate
Refractory metal
Spring steel
Steel casting
- ASTM A216 WCB
- ASTM A216 WCC
- ASTM A217 C5
- ASTM A217 C12A
- ASTM A217 WC6
- ASTM A217 WC9
- ASTM A351 CF3 (cast 304L)
- ASTM A351 CF3M (cast 316L)
- ASTM A351 CF8 (cast 304)
- ASTM A351 CF8C (cast 347)
- ASTM A351 CF8M (cast 316)
- ASTM A351 CN7M (cast Alloy 20)
- ASTM A352 LCB / LCC
- ASTM A743 CA6NM (cast)
- ASTM A743 CA15 (cast 410)
- ASTM A890 CD4MCuN (cast duplex)
Structural steel
Tool steel (cold work)
Tool steel (hot work)
Tool steel (mould)
Weathering steel
Frequently asked questions
What is the equivalent of SS 304 in other standards?
SS 304 is UNS S30400 (ASTM), 1.4301 / X5CrNi18-10 (EN), SUS304 (JIS), 06Cr19Ni10 (GB) and 304S31 (BS). Equivalents are close but not always identical, so check the chemistry of the exact standard on your order.
Are equivalent grades interchangeable?
Usually for general use, but limits differ slightly between standards (for example carbon or nitrogen). For pressure, food or code work, specify the standard the design calls for and check the mill test certificate against it.
Which standards does the finder cover?
Indian (IS), American (ASTM, AISI, SAE, UNS), European (EN and W.Nr), British (BS 970, BS 1400, BS 1490), Japanese (JIS), Chinese (GB) and Russian (GOST) designations.