- Austenitic
- Martensitic
- Ferritic
- Welding
- Duplex
- Precipitate Hardening Steel
Austenitic stainless steels are the most versatile and widely used grades, valued for their superior corrosion resistance, clean finish, and excellent formability. They are ideal for applications where hygiene, durability, and appearance are equally important. Commonly used in food processing equipment, kitchenware, chemical systems, architectural components, and medical applications, these grades are the preferred choice for products requiring long service life and dependable performance in demanding environments.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN | ASTM/UNS | |||||||||||
| 201 | 1.4372 | 201/S20100 | <0.150 | 5.50-7.50 | <1.00 | <0.030 | <0.060 | 16.00-18.00 | 3.50-5.50 | |||
| 202 | 1.4373 | 202/S20200 | <0.150 | 7.50-10.00 | <1.00 | <0.030 | <0.060 | 17.00-19.00 | 4.00-6.00 | |||
| 204Cu | 1.4597 | S20430 | <0.100 | 6.50-9.00 | <1.00 | <0.030 | <0.060 | 15.50-17.50 | 1.50-3.00 | 2.00-3.50 | ||
| 301 | 1.4310 | 301 | 0.050-0.150 | <2.00 | <1.00 | <0.030 | <0.045 | 16.00-18.00 | 6.00-8.00 | |||
| 302 | - | 302/S30200 | <0.120 | <2.00 | <1.00 | <0.030 | <0.045 | 17.00-19.00 | 8.00-10.00 | |||
| 302HQC | 1.4567 | S30430 | <0.030 | <2.00 | <1.00 | <0.030 | <0.045 | 17.00-19.00 | 8.50-10.50 | 3.00-4.00 | ||
| 303 | 1.4305 | 303/S30300 | <0.100 | <2.00 | <1.00 | 0.150-0.350 | <0.045 | 17.00-19.00 | 8.00-10.00 | |||
| 303Cu | 1.4570 | - | 0.000-0.080 | 0.00-2.00 | <1.00 | 0.150-0.350 | <0.045 | 17.00-19.00 | 8.00-10.00 | 1.40-1.80 | ||
| 304 | 1.4301 | 304/S30400 | <0.070 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 8.00-10.50 | |||
| 304H | 1.4948 | 304H/S30409 | 0.040-0.100 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 8.00-10.50 | |||
| 304S | 1.4301 | 304/S30400 | <0.070 | <2.00 | <1.00 | 0.020-0.030 | <0.045 | 18.00-20.00 | 8.00-10.50 | |||
| 304L | 1.4307 | 304L/S30403 | <0.030 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 8.00-12.00 | |||
| 304LS | 1.4307 | 304L/S30403 | <0.030 | <2.00 | <1.00 | 0.020-0.030 | <0.045 | 18.00-20.00 | 8.00-12.00 | |||
| 304NM | 1.4306 | 304L/S30403 | <0.030 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 10.00-12.00 | |||
| 304Cu2 | - | - | <0.045 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 8.00> | 2.00-3.00 | ||
| 304Cu3 | - | S30430 | <0.030 | <2.00 | <1.00 | <0.030 | <0.045 | 18.00-20.00 | 8.00> | 3.00-4.00 | ||
| 305 | - | S30500 | <0.120 | <2.00 | <1.00 | <0.030 | <0.045 | 17.00-19.00 | 11.00-13.00 | |||
| 310S | 1.4845 | 310S/S31008 | <0.080 | <2.00 | <1.50 | <0.015 | <0.045 | 24.00-26.00 | 19.00-22.00 | |||
| 314 | 1.4841 | 314/S31400 | <0.250 | <2.00 | 1.50-2.50 | <0.015 | <0.045 | 24.00-26.00 | 19.00-22.00 | |||
| 316LN | 1.4406 | S31651 | <0.080 | <2.00 | <1.00 | <0.030 | <0.045 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 | N: 1000-1600 ppm | |
| 316L | 1.4404 | 316L/S31603 | <0.030 | <2.00 | <1.00 | <0.030 | <0.045 | 16.50-18.00 | 10.00-14.00 | 2.00-3.00 | ||
| 316LS | 1.4404 | 316L/S31603 | <0.030 | <2.00 | <1.00 | 0.020-0.030 | <0.045 | 16.50-18.00 | 10.00-14.00 | 2.00-3.00 | ||
| 316Ti | 1.4571 | 316Ti/S31635 | <0.080 | <2.00 | <1.00 | <0.030 | <0.045 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 | Ti-5x(C+N)/0.70 | |
| 321 | 1.4541 | 321/S32100 | <0.080 | <2.00 | <1.00 | <0.030 | <0.045 | 17.00-19.00 | 9.00-12.00 | Ti-5xC/0.90 | ||
| 904L | - | 904L/N08904 | <0.200 | <2.00 | <1.00 | <0.030 | <0.040 | 19.00-23.00 | 23.00-28.00 | 4.00-5.00 | 1.00-2.00 | |
| 1.4828 | 1.4828 | - | <0.200 | <2.00 | <2.00 | <0.015 | <0.045 | 19.00-21.00 | 11.00-13.00 | |||
| 1.4835 | 1.4835 | S30815 | 0.050-0.120 | <1.00 | 1.40-2.50 | <0.015 | <0.045 | 20.00-22.00 | 10.00-12.00 | N: 1200-2000 ppm / Ce: 0.03-0.08 | ||
*Any customised chemistries are available on request
Martensitic stainless steels are engineered for applications where hardness, strength, and wear resistance are critical. These grades can be heat treated to achieve high mechanical performance, making them well suited for components exposed to repeated stress or abrasion. They are widely used in blades, cutting tools, valves, shafts, turbine parts, and surgical instruments. Martensitic grades are chosen where performance, precision, and durability take priority over maximum corrosion resistance.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN | ASTM/UNS | |||||||||||
| 410/403 | 1.4006 | 410/S41000 | 0.080-0.150 | <1.00 | <1.00 | <0.030 | <0.040 | 11.50-13.50 | ||||
| 416 | 1.4005 | 416/S41600 | 0.060-0.150 | <1.25 | <1.00 | 0.150< | <0.060 | 12.00-14.00 | ||||
| 420 | 1.4021 | 420/S42000 | 0.160-0.250 | <1.50 | <1.00 | <0.030 | <0.040 | 12.00-14.00 | ||||
| 1.4024 | 1.4024 | - | 0.120-0.170 | <1.00 | <1.00 | <0.030 | <0.040 | 12.00-14.00 | ||||
| 420B | 1.4028 | 420/S42000 | 0.260-0.350 | <1.50 | <1.00 | <0.030 | <0.040 | 12.00-14.00 | ||||
| 420BF | 1.4029 | - | 0.250-0.320 | <1.50 | <1.00 | 0.150-0.250 | <0.040 | 12.00-13.50 | <0.60 | |||
| 420RM | 1.4122 | - | 0.330-0.450 | <1.50 | <1.00 | <0.030 | <0.040 | 15.50-17.50 | 1.00 | 0.80-1.30 | ||
| 420C | 1.4034 | 420/S42000 | 0.430-0.500 | <1.00 | <1.00 | <0.030 | <0.040 | 12.50-14.50 | ||||
| 420NiMo | - | S42010 | 0.150-0.300 | <1.00 | <1.00 | <0.030 | <0.040 | 13.50-15.00 | 0.25-1.00 | 0.40-1.00 | ||
| 440B | 1.4112 | S44003/440B | 0.750-0.950 | <1.00 | <1.00 | <0.030 | <0.040 | 16.00-18.00 | 0.20-0.60 | |||
| 440C | 1.4125 | S44004/440C | 0.950-1.200 | <1.00 | <1.00 | <0.030 | <0.040 | 16.00-18.00 | 0.20-0.60 | |||
| 1.4057 | 1.4057 | 431/S43100 | 0.120-0.220 | <1.50 | <1.00 | <0.030 | <0.040 | 15.00-17.00 | 1.50-2.50 | |||
| 1.4104 | 1.4104 | - | 0.100-0.170 | <1.50 | <1.00 | 0.150-0.350 | <0.040 | 15.50-17.50 | 0.20-0.60 | |||
| 1.4418 | 1.4418 | - | 0.000-0.060 | 0.00-1.50 | 0.00-0.70 | 0.000-0.030 | 0.000-0.040 | 15.00-17.00 | 4.00-6.00 | 0.80-1.50 | 0.00-0.00 | N:0.200(ppm)min |
*Any customised chemistries are available on request
Ferritic stainless steels offer a practical balance of corrosion resistance, durability, and cost efficiency. Known for their magnetic properties and good resistance to heat and oxidation, they are widely used in applications that require reliable everyday performance. Typical uses include automotive exhaust systems, household appliances, water heaters, decorative trims, and construction components. Ferritic grades are an excellent choice for products needing dependable stainless performance with strong commercial value.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN | ASTM/UNS | |||||||||||
| 409L | - | - | <0.030 | <1.00 | <1.00 | <0.030 | <0.040 | 10.50-11.75 | <0.60 | Ti-6xC/0.75 | ||
| 409 Ti Ni | 1.4516 | <0.030 | <1.00 | <1.00 | <0.030 | <0.040 | 10.50-11.75 | 0.75-1.00 | Ti-6xC/0.75 | |||
| 409 Cb Ni | - | S40976 | <0.030 | <1.00 | <1.00 | 0.030 | <0.040 | 10.50-11.75 | 0.751.00 | Nb-10x(C+N)-0.80 N: 0.040 (ppm) max |
||
| 430F | 1.4105 | 430F/S43020 | 0.080 | <1.25 | <1.50 | 0.150-0.350 | <0.040 | 16.00-18.00 | 0.20-0.60 | |||
| 430L | 1.4016 | 430/S43000 | <0.030 | <1.00 | <1.00 | <0.030 | <0.040 | 16.00-18.00 | ||||
| 430Ti | 1.4510 | - | <0.050 | <1.00 | <1.00 | <0.015 | <0.040 | 16.00-18.00 | Ti: [4*(C+N)+0.15] to 0.80 |
|||
| 430LNb | 1.4511 | - | <0.030 | <0.60 | <0.50 | <0.030 | <0.030 | 16.00-18.00 | Nb-12xC/1.00 | |||
| 434 | 1.4113 | - | <0.080 | <1.00 | <1.00 | <0.030 | <0.040 | 16.00-18.00 | - | 0.90-1.40 | - | - |
| 441 | 1.4509 | - | <0.030 | <1.00 | <1.00 | <0.015 | <0.040 | 17.50-18.50 | - | - | - | Ti: 0.1-0.6 Nb- Min (0.30+(3xC)) to 1.00 |
| 446 | S44600/446 | <0.200 | <1.50 | <1.00 | <0.030 | <0.040 | 23.00-27.00 | <0.75 | - | - | N: 2500 ppm max | |
*Any customised chemistries are available on request
Welding stainless grades are developed to deliver strong, reliable weld joints while maintaining corrosion resistance and mechanical integrity. Used as filler wires and consumables across TIG, MIG, SAW, and related processes, these grades are essential to high-quality fabrication. They are widely applied in pressure vessels, process plants, tanks, pipelines, automotive assemblies, and structural fabrication. The right welding grade ensures consistency, weld quality, and long-term performance in finished components.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISO 14343 | AWS | |||||||||||
| ER304L | - | - | <0.030 | 1.00-2.00 | 0.50-1.00 | <0.030 | <0.030 | 18.00-20.00 | 8.00-10.00 | <0.25 | <0.25 | |
| 307Si | 18 8 Mn | - | <0.200 | 5.00-8.00 | <1.20 | <0.030 | <0.030 | 17.00-20.00 | 7.00-10.00 | <0.50 | <0.50 | |
| ER308L | 19 9 L | ER308L | <0.030 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 19.50-22.00 | 9.00-11.00 | <0.30 | <0.30 | |
| ER308LSi | 19 9 L Si | ER308LSi | <0.030 | 1.00-2.50 | 0.65-1.00 | <0.020 | <0.030 | 19.50-22.00 | 9.00-11.00 | <0.30 | <0.30 | |
| 308L (Low Si) | - | - | <0.020 | 1.75-1.95 | <0.15 | <0.010 | <0.020 | 20.25-20.50 | 9.70-10.50 | <0.20 | <0.20 | |
| ER309L | 23 12 L | ER309L | <0.030 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 23.00-25.00 | 12.00-14.00 | <0.30 | <0.30 | |
| ER309LSi | 23 12 L Si | ER309LSi | <0.030 | 1.00-2.50 | 0.65-1.00 | <0.020 | <0.030 | 23.00-25.00 | 12.00-14.00 | <0.30 | <0.30 | |
| ER310 | 25 20 | Er310 | 0.080-0.150 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 25.00-27.00 | 20.00-22.00 | <0.30 | <0.30 | |
| ER316L | (19 12 3 L) | ER316L | <0.030 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 18.00-20.00 | 11.00-14.00 | 2.00-3.00 | <0.30 | |
| ER316LSi | (19 12 3 Lsi) | ER316LSi | <0.030 | 1.00-2.50 | 0.65-1.00 | <0.020 | <0.030 | 18.00-20.00 | 11.00-14.00 | 2.00-3.00 | <0.30 | |
| ER317L | (18 15 3 L) | ER317L | <0.030 | 1.00-2.50 | 0.30-0.65 | <0.030 | <0.030 | 18.50-20.50 | 13.00-15.00 | 3.00-4.00 | <0.75 | |
| ER318 | - | S31980/ER318 | <0.080 | 1.00-2.50 | 0.30-0.65 | <0.030 | <0.030 | 18.00-20.00 | 11.00-14.00 | 2.00-3.00 | <0.75 | Nb: 8*C to 1.00 |
| 330Cb | 1.4887 | - | <0.150 | <2.00 | 1.00-2.00 | <0.015 | <0.030 | 20.00-23.00 | 33.00-37.00 | - | - | Nb: 1.0-1.50 N: 1100(ppm)max |
| ER347 | 19 9 Nb | ER347 | <0.080 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 19.00-21.00 | 9.00-11.00 | <0.30 | <0.30 | Nb-10xC/1.00 |
| ER385 | 20 25 5 Cu L | ER385 | <0.025 | 1.00-2.50 | <0.50 | <0.020 | <0.030 | 19.50-21.50 | 24.00-26.00 | 4.20-5.20 | 1.20-2.00 | |
| ER410 | 13 | ER410 | <0.120 | <0.60 | <0.50 | <0.020 | <0.030 | 12.00-15.00 | <0.50 | <0.30 | <0.30 | |
| 420 | 420 | ER420 | 0.250-0.400 | <0.60 | <0.50 | <0.030 | <0.040 | 12.00-14.00 | <0.60 | <0.75 | <0.75 | |
| 430 | 17 | ER430 | <0.100 | <0.60 | <0.50 | <0.030 | <0.030 | 16.00-17.00 | <0.30 | <0.30 | <0.30 | |
| 410NiMo | 13 4 | ER410NiMo | <0.050 | <0.60 | <0.50 | <0.020 | <0.030 | 11.00-12.50 | 4.00-5.00 | 0.40-0.70 | <0.30 | |
*Any customised chemistries are available on request
Duplex stainless steels combine high strength with outstanding corrosion resistance, making them ideal for more demanding service conditions. These premium grades perform exceptionally well in chloride-rich, marine, chemical, and high-pressure environments where conventional stainless steels may be limited. Common applications include offshore systems, desalination plants, heat exchangers, storage tanks, process equipment, and marine components. Duplex grades are selected when structural strength, efficiency, and long-term reliability are equally important.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN | ASTM/UNS | |||||||||||
| ER312 | 29 9 | AWS ER312 | <0.150 | 1.00-2.50 | 0.30-0.65 | <0.020 | <0.030 | 28.00-32.00 | 8.00-10.50 | <0.50 | <0.50 | |
| 329 | 1.4460 | S32900 | <0.080 | <1.00 | <0.75 | <0.030 | <0.040 | 22.00-24.00 | 2.00-5.00 | 1.00-2.00 | - | |
| ER2209 | 22 9 3 NL | AWS ER2209 | <0.030 | 0.50-2.00 | <0.90 | <0.020 | <0.030 | 21.50-23.50 | 7.50-9.50 | 2.50-3.50 | <0.50 | N (ppm) 1000/2000 |
| 1.4362 | 1.4362 | 2304/S32304 | <0.030 | <2.00 | <1.00 | <0.015 | <0.035 | 3.50-5.50 | 0.10-0.60 | 0.10-0.60 | N (ppm) 500/2000 |
|
*Any customised chemistries are available on request
Precipitation-hardening stainless steels are advanced grades designed for high strength, precision, and corrosion resistance. Through specialized heat treatment, they achieve exceptional mechanical performance while retaining the benefits of stainless steel. These grades are widely used in aerospace parts, pump and valve components, fasteners, shafts, surgical instruments, and other high-stress engineering applications. They are the preferred solution where standard stainless grades are insufficient for demanding, performance-driven requirements.
| Panchmahal | Equivalent | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN | ASTM/UNS | |||||||||||
| 17-4Ph | 1.4542 | 630/S17400 | <0.070 | <1.00 | <1.00 | <0.030 | <0.040 | 15.00-17.50 | 3.00-5.00 | - | 3.00-5.00 | 0.1500-0.4500 |
*Any customised chemistries are available on request