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Tham khảo tài liệu 'volume 01 - properties and selection irons, steels, and high-performance alloys episode 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 6386B 2 Plate sheet heat treated 620 and 690 MPa yield strength 0.12- 0.21 0.40- 0.65 . 0.15- 0.25 0.20-0.35 Si 0.010.03 Ti 0.03-0.08 V 0.0005-0.005 B . K11630 6386B 3 Plate sheet heat treated 620 and 690 MPa yield strength 0.10- 0.20 . . 1.10- 1.50 0.15-0.30 S 0.0010.005 B . K11511 6386 4 Plate sheet heat treated 620 and 690 MPa yield strength 0.13- 0.20 0.85- 1.20 . 0.15- 0.25 0.20-0.40 Cu 0.200.35 Si 0.04-0.10 Ti 0.0015-0.005 B . K11662 6386B 5 Plate sheet heat treated 620 and 690 MPa yield strength 0.12- 0.21 . . 0.45- 0.70 0.20-0.35 Si 0.001- 0.005 B . K11625 6390B Tubing mechanical special surface quality 0.38- 0.43 0.95 . 0.20 . 4140 G41400 6395C Plate sheet strip 0.38- 0.43 0.95 . 0.20 . 4140 G41400 6396B Sheet strip plate annealed 0.49- 0.55 0.80 1.8 0.25 . . K22950 6406C Plate sheet strip annealed 0.41- 0.46 2.1 . 0.58 1.6 Si 0.05 V X200 K34378 6407D Bars forgings tubing 0.27- 0.33 1.2 2.05 0.45 . HS-220 K33020 6408 Bars forgings tubing annealed ESR CVM VAR P 0.35- 0.45 5.2 . 1.5 1.0 V . T20813 6409 Bars forgings tubing normalized and tempered quality cleanliness 0.38- 0.43 0.80 1.8 0.25 . 4340 G43400 6411C Bars forgings tubing CM 0.28- 0.33 0.85 1.8 0.40 . 4330 mod K23080 6412H Bars forgings 0.35- 0.40 0.80 1.8 0.25 . 4337 G43370 6413G Tubing mechanical 0.35- 0.40 0.80 1.8 0.25 . 4337 G43370 6414E Bars forgings tubing CVM 0.38- 0.43 0.80 1.8 0.25 . 4340 G43400 6415L Bars forgings tubing 0.38- 0.43 0.80 1.8 0.25 . 4340 G43400 MAM 6415 b Bars forgings tubing 0.38- 0.43 0.80 1.8 0.25 . 4340 G43400 6416B Superseded by AMS 6419 6417C Bars forgings tubing CM 0.38- 0.43 0.82 1.8 0.40 1.6 Si 0.08 V 300M K44220 6418F Bars forgings tubing rings 0.23- 0.28 0.30 1.8 0.40 1.3 Mn 1.5 Si Hy-tuf K32550 6419C Bars forgings tubing CVM 0.40- 0.45 0.82 1.8 0.40 1.6 Si 0.08 V 300M K44220 6421B Bars forgings tubing 0.35- 0.40 0.80 0.85 0.20 0.003 B 98B37 mod 6422E Bars forgings tubing 0.38- 0.43 0.80 0.85 0.20 0.003 B 98BV40 mod K11940 6423C Bars forgings tubing 0.40- 0.46 .