Dipti Metal Industries supplies all SAE/AISI steel grades (carbon, alloy, tool & stainless) with international equivalents — ASTM/UNS, EN/DIN (W.Nr.), JIS, BS, and GOST. Certified ISO 9001:2015 with EN 10204 3.1/3.2 MTC and third-party inspection (TÜV / SGS / BV / DNV).
1020, 4130, 4140, 1018/1026, 304, 316, 904L
1020, 1045, 4140, 4340, 1008/1010/1018, 304, 316L, 321, 347, 410, 420, 440C, 904L, D2/A2/H13/M2
1018, 1045, 4140, 4340, 52100, 8620; 12L14, 1144; SS 304/316/410/420/431/440C
4140, 4340, 8620, 52100; 316/321/347
1018, 304, 316, 4140, 904L
1020, 1045, 4140, 304, 316, 904L
SAE J429 (2/5/8), 4140, 4340, 304/316
52100, 440C; 5160, 6150, 9255, 9260
Gears/shafts: 1045, 4140, 4340, 8620, 9310 • Landing gear: 300M/4340M • Tooling: M2, T1, D2, A2, H13 • Knives: 1095, 440C
| SAE/AISI | UNS | ASTM (Common) | EN/DIN | W.Nr. | JIS | BS | GOST | Notes |
|---|---|---|---|---|---|---|---|---|
| 1008 | G10080 | A29, A1008 | DC01 | 1.0330 | S08C | — | 08 | Low-C sheet |
| 1010 | G10100 | A29, A109 | C10E | 1.1121 | S10C | 070M10 | 10 | General purpose |
| 1045 | G10450 | A29, A576 | C45E | 1.1191 | S45C | En8 | 45 | Medium-C |
| 4140 | G41400 | A29, A322, A829 | 42CrMo4 | 1.7225 | SCM440 | En19 | 40Kh | Cr-Mo workhorse |
| 8620 | G86200 | A29, A322 | 20NiCrMo2-2 | 1.6523 | SNCM220 | 655M17 | 20KhN2M | Case hardening |
| 304 | S30400 | A240, A276, A312 | X5CrNi18-10 | 1.4301 | SUS304 | 304S15 | 08Kh18N10 | Austenitic |
“≈” = closest widely accepted equivalent. Verify chemistry/mechanicals before substitution.
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