SPECIFICATIONS steel (Các tiêu chuẩn thép)

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SPECIFICATIONS steel (Các tiêu chuẩn thép)

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SPECIFICATIONS PRODUCT SPECIFICATIONS (Structural Steel and Sheet Pile) Mechanical Properties Yield Ratio % (max.) Yield Point N/mm2 (min.) Type of Product Classifications Structur al Steel TIS 1227 1996 JIS G3101 1995 JIS G3106 1995 JIS G3136 1994 Thickness tensile Strengt Thicknes h s N/mm2 Elogation % (min.) Impact J (Min.) Thickness Thicknes s t ≥ 12 t≤ 5< t≤ 16 t >16 t >12 400-510 - 23 18 22 27A 315 490-610 - 22 17 21 27A 365 355 520-640 - 19 15 19 27A SS400 245 235 400-510 - 21 17 21 - SS490 285 275 490-610 - 19 15 19 - SS540 400 390 540 - 16 13 17 - SS400 245 235 400-510 - 21 17 21 - SS490 285 275 490-610 - 19 15 19 - SS540 400 390 540 - 16 13 17 - SM400 A 245 235 400-510 - 23 18 22 - SM400 B 245 235 400-510 - 23 18 22 27A SM490 A 325 315 490-610 - 22 17 21 - SM490 B 325 315 490-610 - 22 17 21 27A SM490 YA 365 355 490-610 - 19 15 19 - SM490 YB 365 355 490-610 - 19 15 19 27A 235 235 400-510 - 17 17 21 - t ≤ 16 16 ≤ t ≤ 16 SM40 245 235 SM490 325 SM520 SN400 A BS 4360 1986 EN 10025 1993 SN400 B 235335G 235-355 400-510 80H 18 18 22 27A SN490 B 235445G 325-445 490-610 80H 17 17 21 27A 43A 275 265 430-580 - 20 20 20 - 43B 275 265 430-580 - 20 20 20 27B 43C 275 265 430-580 - 20 20 20 27A 50A 355 345 490-640 - 18 18 18 - 50B 355 345 490-640 - 18 18 18 27B 50C 355 345 490-640 - 18 18 18 27A S275JR 275 265 410-560 - 22 22 22 27B S355JR 355 345 490-630 - 22 22 22 27B 1997 A36 250 400-550 - 20 - 1997 A572 Gr.42 290 415 - 20 - 1997 A572 Gr.50 345 450 minE - 18 - 1998 A992 345-450 450 85D 18 - ASTM DIN 17100 AS/NZS 3679.1 1996 St 33 185 175 290 - 16 St 37-2 235 225 340-470 - 24 - St 44-2 275 265 470-610 - 20 - St 50-2 295 285 470-610 - 18 - St 52-3 355 345 490-630 - 20 - t < 11 11 ≤ t ≤ 40 250 260 250 410 - 22 - 250LO 260 250 410 - 22 - 350 360 340 480 - 20 - 350LO 360 340 480 - 20 - 440 - 22 - 300 t 17 320 300 280 300LO Sheet Pile 320 300 280 440 - 22 - JIS A5528 1988, SY295 295 490 - 17 - TIS 13901996 SY390 390 540 - 15 - Remark - Carbon Equivalent (%) = C+Mn/6 + Si/24 +Ni/40 +Cr/5 +Mo/4 +V/14 (JIS Standard) - Carbon Equivalent (%) = C+Mn/6 + (Cr +Mo+V)/5 + (Ni +Cu)/15 (AS,ASTM Standard) - Chemical Composition on sensitivity of welding crack =C + Si/30 +Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/10 + 5B - Bend test on material grades SS400, SS490, SS540 - Additional chemical composition controls for material under grade A992 are as follows: Ni (max) = 0.45 , Cr (max.) =0.35 , Mo(max) =0.15 and mn/S (min.) = 20 * : Nitrogen control exclude SM 400 is suitable for welded structure / เเเเ SM400 เเเ เเเเเเเ เ เเเเเเเเเเเ เเเเเเเเ เเเเ เเเเเเเ เเ - SS 400 is suitable for general structure / เเเเ SS400 เเเเเเ เเเเเเเเ เเเเ เเเ เเเ เเเเเเเ เเเเเ SPECIFICATIONS PRODUCT SPECIFICATIONS (Structural Steel and Sheet Pile) Chemical Compositions (ladle analysis) JIS G3101 1995 JIS G3106 1995 Nb V N (max ) C (max ) Si (max ) Mn P (max ) SM4 00 0.20 0.35 0601.40 0.035 0.035 - - - - - SM49 0.18 0.55 1.6 max 0.035 0.035 - - - - - SM52 0.20 0.55 1.6 max 0.035 0.035 - - - - - SS400 - - - 0.050 0.050 - - - - - SS490 - - - 0.050 0.050 - - - - - SS540 0.30 - 1.6 max 0.040 0.040 - - - - - SS400 - - - 0.050 0.050 - - - - - SS490 - - - 0.050 0.050 - - - - - SS540 0.30 - 1.6 max 0.040 0.040 - - - - - SM40 0A 0.23 - 2.5x C 0.035 0.035 - - - - - SM40 0B 0.20 0.35 0.601.40 0.035 0.035 - - - - - SM49 0.20 0.55 1.6 0.035 0.035 - - - - - Classifications TIS 1227 1996 Sensitivit y of welding crack % (max.) Carbon S Equivale (max nt ) % (max.) 0A SM49 0B 0.18 0.55 1.6 max 0.035 0.035 - - - - - SM49 YA 0.20 0.55 1.6 max 0.035 0.035 - - - - - SM49 YB 0.20 0.55 1.6 max 0.035 0.035 - - - - - SN400 A 0.24 - - 0.050 0.050 - - - - - SN400 B 0.20 0.35 0.601.40 0.030 0.015 0.36 0.26 - - - SN490 B 0.18 0.55 1.6 max 0.030 0.015 0.44 0.29 - - - 43A 0.25 0.50 1.6 max 0.050 0.050 - - - - - 43B 0.21 0.50 1.5 max 0.050 0.050 - - - - - 43C 0.18 0.50 1.5 max 0.050 0.050 - - - - - 50A 0.23 0.50 1.6 max 0.050 0.050 - - 0.003 0.003 0.100 0.100 - 50B 0.2C 0.50 1.50C max 0.050 0.050 - - 0.003 0.003 0.100 0.100 - 50C 0.2C 0.50 1.50C max 0.050 0.050 - - 0.003 0.003 0.100 0.100 - S275J R 0.21 - 1.5 max 0.045 0.045 - - - - 0.009* S355J R 0.24 0.55 1.6 max 0.045 0.045 - - - - 0.009* 199 A36 0.26 0.40 - 0.040 0.050 - - - - 199 A572 Gr.42 0.21 0.40 1.35F max 0.040 0.050 - - - 0.010.015 - 199 A572 Gr.50 0.23 0.40 1.35F max 0.040 0.050 - - - 0.010.015 - 199 A992 0.23 0.100.40 0.501.50 0.035 0.045 0.45 - 0.05 max 0.11 max 0.012 JIS G3136 1994 BS 4360 1986 EN 10025 1993 AST M max DIN 17100 AS/NZS 3679.1 1996 JIS A5528 1998 TIS 13901996 St 33 - - - - - - - - - - St 372 0.17 - - 0.050 0.050 - - - - 0.009* St 442 0.21 - - 0.050 0.050 - - - - 0.009* St 502 - - - 0.050 0.050 - - - - 0.009* St 523 0.2 - - 0.040 0.040 - - - - - 250 0.25 0.40 - 0.040 0.040 0.43 - - - - 250LO 0.20 0.40 1.5 max 0.040 0.040 0.42 - - - - 350 0.22 0.50 1.6 max 0.040 0.040 0.45 - - - - 350LO 0.22 0.50 1.6 max 0.040 0.040 0.45 - - - - 300 0.22 0.50 1.6 max 0.040 0.040 0.44 - - - - 300LO 0.22 0.50 1.6 max 0.040 0.040 0.44 - - - - SY295 - - - 0.040 0.040 - - - - - SY390 - - - 0.040 0.040 - - - - - Remark A :Impact test on material grades SM400,SM490, SM520,SM400B,SM490YB, SN400B,SN490B, 43C and 50C with thickness > 12 mm at C B :Impact test on material grades 43B, 50B, S275JR with thickness > 12mm at 20 C C :It is permissible to vary the carbon and manganese contents (ladle analysis) for grades 50B and 50C on the basis of an increase of 0.06% manganese content for each decrease of 0.01% carbon or vice versa up to maximum manganese content of 1.60% and maximum carbon of 0.22% for grades 50B and 50C D :The yield radio (max.) for all thickness of materials under grades A992 is 85% E : For grades 50 steel of thickness 20mmand under , the tensile strength shall be a minimum of 485 N/mm2 F : A maximum of manganese of 1.50% is permissible , with an associated reduction of the carbon maximum of 0.03% G For the h section, when the t1 s 9mm or less, the upper limit of the yield point or : proof stress shall not be applied H :For the H section , when the t1 is 9mm or less, the upper limit of the yield radio shall be 85% - Material under TIS compulsory standard are for domestic use only , while materials under other standards are for exportation SM 400 is suitable for welded structure / เเเเ SM400 เเเ เเเเเเเ เ เเเเเเเเเเเ เเเเเเเเ เเเเ เเเเเเเ เเ - SS 400 is suitable for general structure /เเเเ SS400 เเเ เเเเเเเ เเเเเ เเเเเเ เเเเเเเเ เเเเ เเเ TOLERANCES TIS1227 : 1996 TIS 1227-1996 (HOT ROLLED H - SECTIONS) Dimension Depth (H) Width (B) Thickness (t1, t2 ) t1 t2 Tolerance H

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