Peeled and Ground Round Steel Bars

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pag. 1 of 9 Viale Certosa, 249-20151 Milano Tel: +39 02 30 700 - Fax: +39 02 38000 346 - Mail: commerciale.riva@rivagroup.com Production Units: Malegno (BS), Italy

pag. 2 of 9 Products STRUCTURAL AND GENERAL USE NON-ALLOY STEEL EN 100254 EN 10277-2/07 EN 10083-2/06 NON-ALLOY STEEL FOR HIGH SPEED MACHINING UNI 4838 CASE-HARDENING ALLOY STEEL EN 10084/08 EN 10277-4/07 QUENCHED AND TEMPERED SPECIAL CARBON STEEL EN 10083-2/06 EN 10277-5/07 QUENCHED AND TEMPERED SPECIAL ALLOYED STEEL EN 10083-3/06 EN 10277-5/07 MICRO-ALLOYED STEELS ACCORDING TO CUSTOMERS SPECIFICATIONS The peeled round steel bars may be produced according to the following quality standards too: - DIN 1654 - DIN 1652/1, /2, /3, /4 - DIN 17 - DIN 17210 STANDARD DIMENSIONS Ground rounds in bars: Ø 33 100 mm with progression of 0,01 mm BAR LENGTH 3 7 m SIZE TOLERANCE diameter standard: out of standard : length h8 h7 - h6 k8 - k7 - f7 - f6 - g7 - g6 h9 for rough ground bars commercial 1 m fi xed standard 50 mm fi xed standard 20 mm

pag. 3 of 9 BRIGHT LONG PRODUCTS SIZE TOLERANCES Nominal Dimension (mm) > 6 10 18 > 18 30 > 30 50 > 50 80 >80 120 Class of Tolerances UNI EN 20286-2 h6 g6 h7 k7 h8 k8 h9 k9 h10 k10 h11 k11 h12 h13,009,011,013,016,019,022,005,014,006,017,007,020,009,025,010,029,012,034,015,018,021,025,030,035,016,001,019,001,023,002,027,002,032,002,038,003,022,027,033,039,046,054,022,027,033,039,046,054,036,043,052,062,074,087,036,043,052,062,074,087,058,070,084,100,120,140,058,070,084,100,120,140,090,110,130,160,190,220,090,110,130,160,190,220,150,180,210,250,300,350,220,270,330,390,460,540 STRAIGHTNESS standard : wave 1,5 L for C content 0,25% and 1,0 for C content < 0,25% out of standard : wave 1 or 0,5 SURFACE FINISH standard : out of standard : Ra 1,1 µm for tolerance IT8 Ra 0,8 µm for tolerance IT7 Ra 0,6 µm for tolerance IT6 Ra 0,8 µm for tolerance IT8 Ra 0,6 µm for tolerance IT7 Ra 0,4 µm for tolerance IT6 ENDS APPEARANCE standard : out of standard : - hot sheared - chamfered at 1 end - sawing cold cut SURFACE ASPECT without defects

pag. 4 of 9 STRUCTURAL AND GENERAL USE NON-ALLOY STEEL EN 100254 (S235JRC, E295GC, E335GC, S355J2C) EN 10277-2/07 (C10, C15, C16) EN 10083-2/06 (C35, C40, C45, C55, C60) DESCRIPTION AND APPLICATIONS Base and non-alloy steel quality suitable for construction of structural elements, as welded, bolted, riveted structures for room temperature applications. Non-alloy quality steel, for heat treating, suitable for mechanical applications. N C % Mn % Si % P % S % N % Cr % Mo % Ni % Cr+Mo+Ni % S235JRC 1.0122 0,17 1,40-0,040 0,040 0,012 - - - - E295GC 1.0533 - - - 0,045 0,045 0,012 - - - - E335GC 1.0543 - - - 0,045 0,045 0,012 - - - - S355J2C 1.0579 0,20 1,60 0,55 0,030 0,030 - - - - - C10 1.0301 0,07 0,13 0,30 0,60 0,40 0,045 0,045 - - - - - C15 1.0401 0,12 0,18 0,30 0,80 0,40 0,045 0,045 - - - - - C16 1.0407 0,12 0,18 0,60 0,90 0,40 0,045 0,045 - - - - - C35 1.0501 0,32 0,39 0,50 0,80 0,40 0,045 0,045-0,40 0,10 0,40 0,63 C40 1.0511 0,37 0,44 0,50 0,80 0,40 0,045 0,045-0,40 0,10 0,40 0,63 C45 1.0503 0,42 0,50 0,50 0,80 0,40 0,045 0,045-0,40 0,10 0,40 0,63 C55 1.0535 0,52 0,60 0,60 0,90 0,40 0,045 0,045-0,40 0,10 0,40 0,63 C60 1.0601 0,57 0,65 0,60 0,90 0,40 0,045 0,045-0,40 0,10 0,40 0,63

pag. 5 of 9 MECHANICAL PROPERTIES OF THE PEELED PRODUCT (+ SH) Rp 0,2 (N/mm 2 ) Rm (N/mm 2 )* A 5 % Min >5 0 > 5 S235JRC 235 235 225 215 215 360 510 360 510 360 510 360 510 360 510 26 26 26 25 24 E295GC 295 295 285 275 265 470 610 470 610 470 610 470 610 470 610 20 20 20 19 18 E335GC 335 335 325 315 305 570 710 570 710 570 710 570 710 570 710 16 16 16 15 14 S355J2C 355 355 345 335 325 490 630 490 630 490 630 490 630 490 630 22 22 22 21 20 C10 175 175 165 165 165 340 490 340 490 320 470 320 470 320 470 27 27 28 28 28 C15 205 205 195 195 195 370 520 370 520 350 500 350 500 350 500 26 26 27 27 27 C16 210 210 200 200 200 370 540 370 540 350 520 350 520 350 520 26 26 27 27 27 C35 300 300 270 270 270 550 700 550 700 520 670 520 670 520 670 18 18 19 19 19 C40 320 320 290 290 290 580 730 580 730 550 700 550 700 550 700 16 16 17 17 17 C45 340 340 305 305 305 620 790 620 790 580 750 580 750 580 750 14 14 16 16 16 C55 355 355 320 320 320 650 820 650 820 610 780 610 780 610 780 12 12 14 14 14 C60 380 380 340 340 340 710 880 710 880 670 840 670 840 670 840 10 10 11 11 11 0 >5 100 Brinell Hardness HB 0 S235JRC 102 140 102 140 102 140 E295GC 140 181 140 181 140 181 E335GC 169 211 169 211 169 211 S355J2C 146 187 146 187 146 187 C10 92 163 92 163 92 163 C15 98 178 98 178 98 178 C16 105 184 105 184 105 184 C35 154 154 154 C40 163 211 163 211 163 211 C45 172 242 172 242 172 242 C55 181 269 181 269 181 269 C60 198 278 198 278 198 278 IMPORTANT : The mechanical properties of the table satisfy DIN 1652-2-4 and UNI 10233-3 standards too.

pag. 6 of 9 NON-ALLOY STEEL FOR HIGH SPEED MACHINING UNI 4838 C % Mn % CF35SMn10 0,32 0,39 1,35 1,65 0,30 0,040 0,080 0,130 Si % P % S % MECHANICAL PROPERTIES ON THE PEELED PRODUCT (+SH) CF35SMn10 Thickness Rm HB mm N/mm 2 > 5 620 780 230 590 750 220 570 730 215 550 720 210 IMPORTANT: The mechanical characteristics of the table satisfy the prescriptions of UNI 10233-4 standard too.

pag. 7 of 9 CASE-HARDENING ALLOY STEEL EN 10084/08 EN 10277-4/07 N C % Mn % Si % P % S % Cr % Ni % Mo % 16MnCrS5 1.7139 0,14 0,19 1,00 1,30 0,40 0,025 0,020 0,040 0,80 1,10 - - 20MnCrS5 1.7149 0,17 0,22 1,10 1,40 0,40 0,025 0,020 0,040 1,00 1,30 - - 16NiCrS4 1.5715 0,13 0,19 0,70 1,00 0,40 0,025 0,020 0,040 0,60 1,00 0,80 1,10-20NiCrMoS2.2 1.6526 0,17 0,23 0,65 0,95 0,40 0,025 0,020 0,040 0,35 0,70 0,40 0,70 0,15 0,25 MECHANICAL PROPERTIES Brinell Hardness 16MnCrS5 20MnCrS5 16NiCrS4 20NiCrMoS2-2 Diameter Ø mm 5 10 16 40 63 100 5 10 16 40 63 100 5 10 16 40 63 100 5 10 16 40 63 100 On Annealed, Peeled (+A+SH) HB IMPORTANT: The mechanical characteristics of the table satisfy UNI 10233-5 and DIN 1652-3 standards too (qualities 16MnCrS5, 20MnCrS5 e 20NiCrMoS2.2).

pag. 8 of 9 QUENCHED AND TEMPERED SPECIAL CARBON STEEL EN 10083-2/06 EN 10277-5/07 N C % Mn % Si % P % S % Cr % Mo % Ni % Cr+Mo+Ni % C35E 1,1181 0,32/0,39 0,50/0,80 0,40 0,030 0,035 < 0,40 < 0,100 < 0,40 0,63 C35R 1,1180 0,32/0,39 0,50/0,80 0,40 0,030 0,020/0,040 < 0,40 < 0,100 < 0,40 0,63 C40E 1,1186 0,37/0,44 0,50/0,80 0,40 0,030 0,035 < 0,40 < 0,100 < 0,40 0,63 C40R 1,1189 0,37/0,44 0,50/0,80 0,40 0,030 0,020/0,040 < 0,40 < 0,100 < 0,40 0,63 C45E 1,1191 0,42/0,50 0,50/0,80 0,40 0,030 0,035 < 0,40 < 0,100 < 0,40 0,63 C45R 1,1201 0,42/0,50 0,50/0,80 0,40 0,030 0,020/0,040 < 0,40 < 0,100 < 0,40 0,63 C50E 1,1206 0,47/0,55 0,60/0,90 0,40 0,030 0,035 < 0,40 < 0,100 < 0,40 0,63 C50R 1,1241 0,47/0,55 0,60/0,90 0,40 0,030 0,020/0,040 < 0,40 < 0,100 < 0,40 0,63 C60E 1,1221 0,57/0,65 0,60/0,90 0,40 0,030 0,035 < 0,40 < 0,100 < 0,40 0,63 C60R 1,1223 0,57/0,65 0,60/0,90 0,40 0,030 0,020/0,040 < 0,40 < 0,100 < 0,40 0,63 MECHANICAL PROPERTIES OF THE PEELED PRODUCT (+ SH) C35E C35R C40E C40R C45E C45R C50E C50R C60E C60R > 5 Rp 0,2 (N/mm 2 ) Min Rm ( N/mm 2 )* >16 0 > 5 0 > 5 A 5 % Min 300 300 270 270 270 550 700 550 700 520 670 520 670 520 670 18 18 19 19 19 320 320 290 290 290 580 730 580 730 550 700 550 700 550 700 16 16 17 17 17 340 340 305 305 305 620 790 620 790 580 750 580 750 580 750 14 14 16 16 16 355 355 320 320 320 650 820 650 820 610 780 610 780 610 780 12 12 14 14 14 380 380 340 340 340 710 880 710 880 670 840 670 840 670 840 10 10 11 11 11 100 Brinell Hardness HB C35E C35R C40E C40R C45E C45R C50E C50R C60E C60R IMPORTANT: 0 154 154 154 163 211 163 211 163 211 172 242 172 242 172 242 181 269 181 269 181 269 198 278 198 278 198 278 The mechanical characteristics of the table satisfy the prescriptions of DIN 1652-4 and UNI 10233-3 standards too.

pag. 9 of 9 QUENCHED AND TEMPERED SPECIAL ALLOYED STEEL EN 10083-3/06 EN 10277-5/07 N C % Mn % Si % P % S % Cr Mo % V % 34CrS4 1.7037 0,30 0,37 0,60 0,90 0,40 0,025 0,020 0,040 0,90 1,20 - - 41CrS4 1.7039 0,38 0,45 0,60 0,90 0,40 0,025 0,020 0,040 0,90 1,20 - - 25CrMoS4 1.7213 0,22 0,29 0,60 0,90 0,40 0,025 0,020 0,040 0,90 1,20 0,15 0,30-42CrMoS4 1.7227 0,38 0,45 0,60 0,90 0,40 0,025 0,020 0,040 0,90 1,20 0,15 0,30-51CrV4 1.8159 0,47 0,55 0,70 1,10 0,40 0,025 0,035 0,90 1,20-0,10 0,25 MECHANICAL PROPERTIES Rolled and Peeled (+SH) or Annealed and Peeled (+A+SH) Diameter (mm) Brinell Hardness HB 34CrS4 10 100 223 41CrS4 10 100 241 25CrMoS4 10 100 42CrMoS4 10 100 241 51CrV4 10 100 248 IMPORTANT: The hardnesses of the table satisfy DIN 1652-4 and UNI 10233-5 standards too.

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