Standard No.:	GB/T 25137-2010
English Name:	Titanium and titanium alloy forgings
Chinese Name:	钛及钛合金锻件
Chinese Classification:	J32    Forging and pressing
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2010-9-26
Implemented on:	2011-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	190.0
Delivery:	via email in 1 business day

GB/T 25137-2010 Titanium and titanium alloy forgings 1 Scope 1.1 This standard is applicable to the following 39 grades of titanium and titanium alloy forgings in the annealed condition: 1) Grade F-1 Unalloyed titanium; 2) Grade F-2 Unalloyed titanium; 3) Grade F-2H Unalloyed titanium [Grade F-2 with a minimum ultimate tensile strength (UTS) of 400 MPa (58 ksi)]; 4) Grade F-3 Unalloyed titanium; 5) Grade F-4 Unalloyed titanium; 6) Grade F-5 Titanium alloy (6% aluminum, 4% vanadium); 7) Grade F-6 Titanium alloy (5% aluminum, 2.5% tin); 8) Grade F-7 Unalloyed titanium plus 0.12%to 0.25% palladium; 9) Grade F-7H Unalloyed titanium plus 0.12% to 0.25% palladium [Grade F-7 with a minimum UTS of 400 MPa (58 ksi)]; 10) Grade F-9 Titanium alloy (3% aluminum, 2.5% vanadium); 11) Grade F-11 Unalloyed titanium plus 0.12%to 0.25% palladium; 12) Grade F-12 Titanium alloy (0.3% molybdenum, 0.8% nickel); 13) Grade F-13 Titanium alloy (0.5% nickel, 0.05% ruthenium); 14) Grade F-14 Titanium alloy (0.5% nickel, 0.05% ruthenium); 15) Grade F-15 Titanium alloy (0.5% nickel, 0.05% ruthenium); 16) Grade F-16 Unalloyed titanium plus +0.04%to 0.08% palladium; 17) Grade F-16H Unalloyed titanium plus 0.04% to 0.08% palladium [Grade F-16 with a minimum UTS of 400 MPa (58 ksi)]; 18) Grade F-17 Unalloyed titanium plus +0.04%to 0.08% palladium; 19) Grade F-18 Titanium alloy (3% aluminum, 2.5% vanadium) plus 0.04% to 0.08% palladium; 20) Grade F-19 Titanium alloy (3% aluminum, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum); 21) Grade F-20 Titanium alloy (3% aluminum, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum) plus 0.04% to 0.08% palladium; 22) Grade F-21 Titanium alloy (3% aluminum, 2.7% niobium, 15% molybdenum, 0.25% silicon); 23) Grade F-23 Titanium alloy (6% aluminum, 4% vanadium, extra low interstitials, ELI); 24) Grade F-24 Titanium alloy (6% aluminum, 4% vanadium) plus 0.04% to 0.08% palladium; 25) Grade F-25 Titanium alloy (6% aluminum, 4% vanadium) plus 0.3% to 0.8% nickel and 0.04% to 0.08% palladium; 26) Grade F-26 Unalloyed titanium plus 0.08% to 0.14% ruthenium; 27) Grade F-26H Unalloyed titanium plus 0.08% to 0.14% ruthenium [Grade F-26 with a minimum UTS of 400 MPa (58 ksi)]; 28) Grade F-27 Unalloyed titanium plus 0.08% to 0.14% ruthenium; 29) Grade F-28 Titanium alloy (3% aluminum, 2.5% vanadium plus 0.08% to 0.14% ruthenium); 30) Grade F-29 Titanium alloy (6% aluminum, 4% vanadium, extra low interstitials, ELI plus 0.08% to 0.14% ruthenium); 31) Grade F-30 Titanium alloy (0.3% cobalt, 0.05% palladium); 32) Grade F-31 Titanium alloy (0.3% cobalt, 0.05% palladium); 33) Grade F-32 Titanium alloy (5% aluminum, 1% vanadium, 1% tin, 1% zirconium, 0.8% molybdenum);

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Ordering information 5 Raw materials and manufacture 6 Chemical composition 7 Mechanical properties 8 Nondestructive tests 9 Dimensions and permissible variations 10 Surface quality 11 Retests 12 Rounding-off procedure 13 Rejection 14 Referee test and analysis 15 Certification 16 Packaging and marking Annex A (Informative) Supplementary requirements for Grade F-3 titanium alloy forgings Annex B (Informative) Comparison table of titanium alloy grades