Material Grade Comparison
One table of every grade on this site, cross-referenced by family, UNS number and European EN / W.Nr. designation — plus a selection guide from service condition to the grades worth considering.
Grade ↔ UNS ↔ EN Table
| Family | Grade | UNS | EN / W.Nr. |
|---|---|---|---|
| Alloy Steel | A335 P1 / A182 F1 | K11522 | |
| Alloy Steel | A335 P11 / A182 F11 | K11597 | 1.7335 |
| Alloy Steel | A335 P12 / A182 F12 | K11562 | |
| Alloy Steel | A335 P22 / A182 F22 | K21590 | 1.7383 |
| Alloy Steel | A335 P5 / A182 F5 | K41545 | 1.7362 |
| Alloy Steel | A335 P9 / A182 F9 | K90901 | |
| Alloy Steel | A335 P91 / A182 F91 | K91560 | 1.4903 |
| Alloy Steel | A335 P92 / A182 F92 | K92460 | |
| Alloy Steel | AISI 4130 | G41300 | 1.7218 |
| Alloy Steel | AISI 4140 / EN19 | G41400 | 1.7225 |
| Alloy Steel | AISI 4340 / EN24 | G43400 | 1.6582 |
| Aluminium | Aluminium 1050 | A91050 | 3.0225 (1050A) |
| Aluminium | Aluminium 5052 | A95052 | |
| Aluminium | Aluminium 5083 | A95083 | 3.3547 |
| Aluminium | Aluminium 5086 | A95086 | |
| Aluminium | Aluminium 5454 | A95454 | |
| Aluminium | Aluminium 6061 | A96061 | |
| Aluminium | Aluminium 6082 | 3.2315 | |
| Aluminium | Aluminium 7075 | A97075 | 3.4345 |
| Brass & Bronze | Cartridge Brass C26000 | C26000 | 2.0401 |
| Brass & Bronze | Admiralty Brass C44300 | C44300 | 2.0470 |
| Brass & Bronze | Naval Brass C46400 | C46400 | 2.0321 |
| Brass & Bronze | Phosphor Bronze C51000 | C51000 | 2.1010 |
| Brass & Bronze | Ni-Al Bronze C63000 | C63000 | |
| Brass & Bronze | Al Bronze C95400 | C95400 | |
| Carbon Steel | ASTM A105 | ||
| Carbon Steel | ASTM A106 Gr. B | ||
| Carbon Steel | ASTM A106 Gr. C | ||
| Carbon Steel | ASTM A53 Gr. B | ||
| Carbon Steel | ASTM A333 Gr. 6 | ||
| Carbon Steel | ASTM A516 Gr. 60 | ||
| Carbon Steel | ASTM A516 Gr. 70 | ||
| Carbon Steel | ASTM A350 LF2 / LF3 | ||
| Carbon Steel | IS 2062 E250 / E350 | ||
| Carbon Steel | API 5L Gr. B / X42 – X70 | ||
| Carbon Steel | ASTM A333 Gr. 3 | ||
| Carbon Steel | ASTM A36 | ||
| Carbon Steel | EN 10025-2 S355J2+N | 1.0577 | |
| Carbon Steel | EN 10025-6 S690QL | 1.8928 | |
| Carbon Steel | C45 / EN8D | 1.0503 | |
| Carbon Steel | IS 1239 / 3589 (MS ERW & GI Pipe) | ||
| Carbon Steel | Corten A / B (Weathering Steel) | ||
| Carbon Steel | Abrasion-Resistant Plate 400 – 600 | ||
| Carbon Steel | Manganese Steel 12 – 14 % (Hadfield) | ||
| Carbon Steel | BS 3059 P1 Gr. 320 (Boiler Tube) | ||
| Carbon Steel | BS 6323 Part 5 (Tube) | ||
| Carbon Steel | ASTM A210 Gr. A1 (Boiler Tube) | ||
| Carbon Steel | ASTM A423 (Air-Preheater Tube) | ||
| Carbon Steel | ASTM A694 F42 – F70 | ||
| Carbon Steel | ASTM A234 WPB / A420 WPL6 | ||
| Copper & Copper Nickel | Copper C11000 (ETP) | C11000 | 2.0090 |
| Copper & Copper Nickel | Copper C10200 (OFHC) | C10200 | |
| Copper & Copper Nickel | CuNi 90/10 (C70600) | C70600 | 2.0872 |
| Copper & Copper Nickel | CuNi 70/30 (C71500) | C71500 | 2.0882 |
| Duplex & Super Duplex Steel | Duplex 2205 | S31803 / S32205 | 1.4462 |
| Duplex & Super Duplex Steel | Super Duplex 2507 | S32750 | 1.4410 |
| Duplex & Super Duplex Steel | Super Duplex S32760 | S32760 | 1.4501 |
| Duplex & Super Duplex Steel | Lean Duplex S32101 | S32101 | |
| Hastelloy | Hastelloy C276 | N10276 | 2.4819 |
| Hastelloy | Hastelloy C22 | N06022 | 2.4602 |
| Hastelloy | Hastelloy C4 | N06455 | 2.4610 |
| Hastelloy | Hastelloy B2 | N10665 | 2.4617 |
| Hastelloy | Hastelloy B3 | N10675 | 2.4600 |
| Inconel & Incoloy | Inconel 600 | N06600 | 2.4816 |
| Inconel & Incoloy | Inconel 601 | N06601 | 2.4851 |
| Inconel & Incoloy | Inconel 625 | N06625 | 2.4856 |
| Inconel & Incoloy | Inconel 718 | N07718 | 2.4668 |
| Inconel & Incoloy | Inconel X-750 | N07750 | 2.4669 |
| Inconel & Incoloy | Incoloy 800 / 800H / 800HT | N08800 / N08810 / N08811 | 1.4876 |
| Inconel & Incoloy | Incoloy 825 | N08825 | 2.4858 |
| Monel | Monel 400 | N04400 | 2.4360 |
| Monel | Monel K500 | N05500 | 2.4375 |
| Monel | Monel R405 | N04405 | |
| Nickel Alloys | Nickel 200 | N02200 | 2.4060 / 2.4066 |
| Nickel Alloys | Nickel 201 | N02201 | 2.4061 / 2.4068 |
| Stainless Steel | SS 304 / 304L / 304H | S30400 / S30403 / S30409 | 1.4301 / 1.4307 / 1.4948 |
| Stainless Steel | SS 316 / 316L / 316H | S31600 / S31603 / S31609 | 1.4401 / 1.4404 / 1.4919 |
| Stainless Steel | SS 316Ti | S31635 | 1.4571 |
| Stainless Steel | SS 317 / 317L | S31700 / S31703 | 1.4449 / 1.4438 |
| Stainless Steel | SS 321 / 321H | S32100 / S32109 | 1.4541 / 1.4878 |
| Stainless Steel | SS 347 / 347H | S34700 / S34709 | 1.4550 / 1.4961 |
| Stainless Steel | SS 310 / 310S | S31000 / S31008 | 1.4841 / 1.4845 |
| Stainless Steel | SS 309 / 309S | S30900 / S30908 | 1.4828 / 1.4833 |
| Stainless Steel | SS 904L | N08904 | 1.4539 |
| Stainless Steel | 254 SMO (S31254) | S31254 | 1.4547 |
| Stainless Steel | Alloy 20 (N08020) | N08020 | 2.4660 |
| Stainless Steel | SS 409 / 409L / 409M | S40900 | 1.4512 |
| Stainless Steel | SS 410 | S41000 | 1.4006 |
| Stainless Steel | SS 420 | S42000 | 1.4021 |
| Stainless Steel | SS 430 | S43000 | 1.4016 |
| Stainless Steel | SS 430F | S43020 | 1.4104 |
| Stainless Steel | SS 431 | S43100 | 1.4057 |
| Stainless Steel | SS 416 | S41600 | 1.4005 |
| Stainless Steel | SS 440C | S44004 | 1.4125 |
| Stainless Steel | SS 446 | S44600 | 1.4762 |
| Stainless Steel | 17-4 PH | S17400 | 1.4542 |
| Stainless Steel | 15-5 PH | S15500 | 1.4545 |
| Tantalum & Speciality Metals | Pure Tantalum R05200 | R05200 | |
| Tantalum & Speciality Metals | Tantalum Ta-2.5W R05252 | R05252 | |
| Tantalum & Speciality Metals | Tantalum Ta-10W R05255 | R05255 | |
| Tantalum & Speciality Metals | Zirconium 702 R60702 | R60702 | |
| Tantalum & Speciality Metals | Niobium R04200 | R04200 | |
| Tantalum & Speciality Metals | Bismuth | ||
| Tantalum & Speciality Metals | Zinc | ||
| Tantalum & Speciality Metals | Lead | ||
| Titanium | Titanium Grade 1 | R50250 | 3.7025 |
| Titanium | Titanium Grade 2 | R50400 | 3.7035 |
| Titanium | Titanium Grade 5 (Ti-6Al-4V) | R56400 | 3.7165 |
| Titanium | Titanium Grade 7 | R52400 | 3.7235 |
| Titanium | Titanium Grade 12 | R53400 | 3.7105 |
| Titanium | Titanium Grade 9 (Ti-3Al-2.5V) | R56320 |
Equivalents are published designations of the same or substantially similar composition; the governing specification on the certificate is always the one actually ordered. Some grades have no counterpart designation in the other system — the cell is left blank rather than guessed.
Selection Guide — Service Condition to Candidate Grades
A starting shortlist by duty. The linked material pages carry the indicative data for each grade, and the desk confirms availability and certification for the final choice.
| Service condition | Grades to consider |
|---|---|
| Seawater, brine, chlorides | SS 316L · 904L · Duplex 2205 · Super duplex 2507 · CuNi 90/10 & 70/30 · Monel 400 · Titanium Gr 2 |
| Hot concentrated acids | Hastelloy C276 / C22 · Hastelloy B2 / B3 (reducing) · Tantalum · Zirconium 702 |
| Reducing acids (dilute HCl, H₂SO₄) | Titanium Gr 7 / Gr 12 · Monel 400 · Hastelloy B-family |
| High temperature (600 – 1100 °C) | SS 310S · Inconel 600 / 601 / 625 · Incoloy 800H / 800HT · Alloy steel P91 |
| Low temperature (to −46 °C and below) | A333 Grade 6 · Austenitic stainless 304L / 316L · Aluminium 5083 |
| High strength structural | Alloy steel 4130 / 4140 / 4340 · 17-4PH · Titanium Gr 5 · Aluminium 7075-T6 |
| Bearings, bushings, wear | Phosphor bronze C51000 · Aluminium bronze C63000 / C95400 |
| Electrical conductivity | Copper C11000 / C10200 · Aluminium 1050 |
| Cost-effective general purpose | Carbon steel A106 / A516 · SS 410 / 430 · Brass C26000 |
Final material selection is the designer's call. This guide pairs service conditions with commonly used grades; it is not a substitute for the applicable design code, the specification, or engineering judgement for your equipment.
Shortlisted Your Grade?
Send the grade, product form, size and quantity — the desk confirms what can be supplied and certified.