Type

Mild atmospheric and fresh water

Atmospheric

Salt water

Chemical

Industrial

Marine

Mild

Oxidizing

Reducing

Austenitic Stainless Steel

201

x

x

x

 

x

x

 

201

x

x

x

 

x

x

 

205

x

x

x

 

x

x

 

301

x

x

x

 

x

x

 

302

x

x

x

 

x

x

 

302B

x

x

x

 

x

x

 

303

x

x

 

 

x

 

 

303Se

x

x

 

 

x

 

 

304

x

x

x

 

x

x

 

304H

x

x

x

 

x

x

 

304L

x

x

x

 

x

x

 

304N

x

x

x

 

x

x

 

S30430

x

x

x

 

x

x

 

305

x

x

x

 

x

x

 

308

x

x

x

 

x

x

 

309

x

x

x

 

x

x

 

309S

x

x

x

 

x

x

 

310

x

x

x

 

x

x

 

310S

x

x

x

 

x

x

 

314

x

x

x

 

x

x

 

316

x

x

x

x

x

x

x

316F

x

x

x

x

x

x

x

316H

x

x

x

x

x

x

x

316L

x

x

x

x

x

x

x

316N

x

x

x

x

x

x

x

317

x

x

x

x

x

x

x

317L

x

x

x

x

x

x

x

321

x

x

x

 

x

x

 

321H

x

x

x

 

x

x

 

329

x

x

x

x

x

x

x

330

x

x

x

x

x

x

x

347

x

x

x

 

x

x

 

347H

x

x

x

 

x

x

 

348

x

x

x

 

x

x

 

348H

x

x

x

 

x

x

 

384

x

x

x

 

x

x

 

 

 

Type

Mild atmospheric and fresh water

Atmospheric

Salt water

Chemical

Industrial

Marine

Mild

Oxidizing

Reducing

Ferritic Stainless Steel

405

x

 

 

 

x

 

 

409

x

 

 

 

x

 

 

429

x

x

 

 

x

x

 

430

x

x

 

 

x

x

 

430F

x

x

 

 

x

 

 

430FSe

x

x

 

 

x

 

 

434

x

x

x

 

x

x

 

436

x

x

x

 

x

x

 

442

x

x

 

 

x

x

 

446

x

x

x

 

x

x

 

Martensitic Stainless Steel

403

x

 

 

 

 

 

 

410

x

 

 

 

 

 

 

414

x

 

 

 

 

 

 

416

x

 

 

 

 

 

 

416Se

x

 

 

 

 

 

 

420

x

 

 

 

 

 

 

420F

x

 

 

 

 

 

 

422

x

 

 

 

 

 

 

431

x

x

x

 

x

 

 

440A

x

 

 

 

x

 

 

400B

x

 

 

 

 

 

 

440C

x

 

 

 

 

 

 

501

 

 

 

 

 

 

 

502

 

 

 

 

 

 

 

503

 

 

 

 

 

 

 

504

 

 

 

 

 

 

 

Precipitation-Hardening Stainless Steel

PH 13-8 Mo

x

x

 

 

x

x

 

15-5 PH

x

x

x

 

x

x

 

17-4 PH

x

x

x

 

x

x

 

17-7 PH

x

x

x

 

x

x

 

 

An X notation above indicates that the specific type is considered resistant to the corrosive environment.