PPT Hardening Stainless Steel
						14-4PH AMS 5340B 15-5PH AMS 5346 AMS 5347 AMS 5356 AMS 5357 AMS 5400 ASTM A 747 CB7Cu2 ACI CB7Cu2 IC 15-5PH 17-4PH AMS 5342B AMS 5343B AMS 5344B AMS 5355B (ARMCO) ASTM A 747 CB7Cu1 IC 17-4PH 322A MIL-S-81591 IC 17-4PH CD4MCu ASTM A-351 Grade CD4MCu ASTM A-743 Grade CD4MCu) ASTM A-744 Grade CD4MCu) ASTM A-890 Grade 1-A AM 355 AMS 5368B