Items
| POPULAR STEEL CORPORATION | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BS 970 | Specification/Chemistry | Nearest Equivalent Grades | ||||||||||
| C | Mn | Si | S | P | – | – | IS-1570-1961 | SAE/AISI | DIN | AFNOR | ASP | |
| EN1A | .07/.15 | .80/1.20 | .10 Max | 0.2/0.3 | 0.7 Max | – | – | 13525 | 1113 | 9527 | 12MF4 | – |
| EN2B | .15 Max | .50 Max | .10 Max | .05 Max | .05 Max | – | – | C-07 | 1010 | St 0,1 | X-C10 | – |
| EN3B | .25 Max | 1.0 Max | .35 Max | .06 Max | .06 Max | – | – | – | – | – | – | – |
| EN3C | .17/.23 | .60/1.0 | .05/.35 | .05 Max | .05 Max | – | – | – | – | – | – | – |
| EN8 | .35/.45 | .60/1.0 | .05/.35 | .06 Max | .06 Max | – | – | C-40 | 1038/1040 | Ck35/40Mn4 | X-C 38 | – |
| EN8D | .40/.45 | .70/.90 | .05/.35 | .06 Max | .06 Max | – | – | – | – | – | – | – |
| EN8M | .35/.45 | .90/1.30 | .25 Max | .12/20 | .06 Max | – | – | 40S18 | 1139 | – | – | – |
| BS 970 | C | Mn | Si | Ni | Mo | Cr | Others | IS-1570-1961 | SAE/AISI | DIN | AFNOR | ASP |
| EN9 | .50/.60 | .50/.80 | .05/.35 | – | – | – | S & P-.06 Max | C55MN75 | 1055 | CK-50 | CC55F | – |
| EN15AM | .30/.40 | 1.3/1.7 | .25 Max | – | – | – | S-.12/.20 P-.06 Max | 40Mn2S12 | 1137 | – | – | – |
| EN16 | .30/.40 | 1.3/1.8 | .10/.35 | – | .20/.35 | – | S & P-.05 Max | 35Mn2M028 | – | – | 20MD5 | MT6 |
| EN18 | .35/.45 | .60/.95 | .10/.35 | – | – | .85/1.15 | S & P-.05 Max | 40CR1 | 5140 | 37Cr4 | – | – |
| EN 19 | .35/.45 | .50/.80 | .10/.35 | – | .20/.40 | .90/1.50 | S &P-.05 Max | 40Cr1Mo28 | 4140/4142 | – | 42CD4 | HT-1 |
| EN24 | .35/.45 | .45/.70 | .10/.35 | 2.3/2.8 | .40/.70 | .50/.80 | S & P-.05 Max | 40Ni2Cr1Mo28 | 4340 | 34CrN1Mo6 | 35NCD6 | HT2 |
| EN31 | .90/1.20 | .30/.75 | .10/.35 | – | – | 1.0/1.6 | S & P-.05 Max | 103Cr1 | 52100 | 100Cr6 | – | – |
| EN32B | .10/.18 | .70/1.10 | .05/.35 | – | – | – | S-.07 Max P-.05 Max | C14 | 1015 | Ck15 | XC12 | – |
| EN36C | .12/.18/ | .30/.60 | .10/.35 | 3/3.75 | .10/.25 | .60/1.1 | S & P-.05 Max | – | – | – | – | CH-10 |
| EN39B | .12/.18 | .50 Max | .10/.35 | 3.8/4.5 | .15/.35 | 1.0/1.4 | S & P-.05 Max | – | – | – | – | – |
| EN41B | .35/.45 | .65 Max | .10/.45 | .40 Max | .10/.25 | 1.4/1.8 | S & P-.05 Max At-.90/1.3 | 40CrLa11Mo18 | – | 34CrAIMo5 | 40CaD6-12 | – |
| EN42J | .75/.90 | .60/.90 | .35 Max | – | – | – | S & P-.05 Max | – | – | – | – | – |
| EN45 | .50/.60 | .70/1.10 | 1.5/2.0 | – | – | – | S & P-.05 Max | 55Si2Mn90 | 9255 | 55Si7 | 5557 | – |
| CARBON STEEL FOR FORGINGS | ||||||||||||
| GRADE IS 1875-71 | Specification/Chemistry | Nearest Equivalent Grades | ||||||||||
| C | Mn | Si | S | P | – | – | BS970 | SAE/AISI | DIN | AFNOR/CSN | ASP | |
| Class 4 | .40/.50 | .60/.90 | .15/.35 | .05 Max | .05 Max | – | – | EN43B | 1045 | CK45 | XC45,XC48 | c 45 |
| Class 5 | .50/.60 | .50/.80 | .15/.35 | .05 Max | .05 Max | – | – | EN42B | 1064 | C67 | XC65F | C 65 |
| CARBON CONSTRUCTIONAL STEELS | ||||||||||||
| Grade | Specification/Chemistry | Nearest Equivalent Grades | ||||||||||
| IS 1570-61(65) | C | Mn | Si | S | P | – | – | BS970 | SAE/AISI | DIN | AFNOR/CSN | ASP |
| C 40 | .35/.45 | .60/.90 | .30 Max | .030 Max | .030 Max | – | – | EN8 | 1040 | Ck 35 | – | – |
| C 45 | .40/.50 | .60/.90 | .30 Max | .030 Max | .030 Max | – | – | EN43B | 1045 | Ck 45 | XC45,XC48 | – |
| C 50 | .45/.55 | .60/.90 | .30 Max | .030 Max | .030 Max | – | – | EN43A | 1049 | C 53 | XC50,XC54 | – |
| C55Mn75 | .50/.60 | .60/.90 | .30 Max | .030 Max | .030 Max | – | – | EN9 | 1055 | Ck 53 | C 55 | – |
| HIGH CARBON HIGH CHROMIUM STEELS | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade | Specification/Chemistry | Equivalent Grades | ||||||||||||
| SAE/AISI | C | Mn | Si | S | P | Cr | V | Mo | W | Co | IS1570/1961 | BS | DIN | AFNOR/CSN |
| D 2 | 1.5/1.8 | .30/.50 | .10/.35 | .03Max | .03Max | 11.0/13.0 | 0.80 Opt | .70/1.20 | – | 0.60 Opt | T160Cr12 | BD-2 | – | – |
| D 3 | 2.0/2.35 | .25/.45 | .10/.35 | .03Max | .03Max | 11.0/13.0 | 0.80 Opt | 0.80 Opt | 0.75 Opt | – | T215Cr12 | BD-3 | X210Cr12 | Z200C13 |
| POPULAR SAE/AISI GRADES | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GRADE | Specification/Chemistry | Equivalent Grades | ||||||||||||
| SAE/AISI | C | Mn | Si | S & P | Ni | Cr | Mo | Others | IS 1570/1961 | BS-970 EN | DIN | AFNOR | ||
| 1010 | .08/.13 | .30/.60 | .10 Max | .04 Max | – | – | – | – | Co7 | EN2 | St 0,1 | XC10 | ||
| 1040 | .36/.45 | .60/.90 | .20/.35 | .04 Max | – | – | – | – | C-40 | EN8 | Ck-35 | XC38 | ||
| 4130 | .28/.33 | .40/.60 | .20/.35 | .04 Max | – | .80/1.10 | .15/.25 | – | 21Cr1Mo28 | – | 25CrMo4 | 25CD4 | ||
| 4320 | .17/.22 | .45/65 | .20/.35 | .040 Max | 1.65/2.00 | .40/.60 | .20/.30 | – | 15N12Cr1Mo15 | EN354 | – | – | ||
| 4340 | .38/.43 | .60/.80 | .20/.35 | .04 Max | 1.65/2.00 | .70/.90 | .20/.30 | – | 40Ni2Cr1Mo28 | EN24 | 34CrNiMo6 | 35NCD6 | ||
| 52100 | .95/1.10 | .25/.45 | .20/.35 | .025 Max | – | 1.30/1.60 | – | – | 103 Cr2 | EN31 | 100 Cr6 | 100 C6 | ||
| SOME POPULAR STEELS FROM DIFFERENT GRADES/SPECIFICATION | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GRADE | Specification/Chemistry | Nearest Equivalent Grades | |||||||||||
| C | Mn | Si | S & P | Ni | Cr | Mo | Others | SAE/AISI | IS 1570/1961 | BS-970 EN | DIN | AFNOR | |
| 16MnCr5 | .14/.19 | 1.00/1.30 | .10/.35 | .040Max | – | .80/1.10 | – | – | 5120 | – | 17Mn1Cr95 | – | 16MC5 |
| 20MnCr5 | .17/.22 | 1.00/1.40 | .10/.35 | .04Max | – | 1.00/1.30 | – | – | – | – | 20MnCr1 | – | 20MC5 |
| 42CrMo4 | .38/.45 | .50/.80 | .15/.35 | .35Max | – | .90/1.20 | .15/.25 | – | 4140 | EN19 | 40Cr1Mo28 | – | 42CD4 |
| GRADE | C | Mn | Si | Cr | W | V | Mo | – | – | – | – | – | – |
| CWI | .85/.95 | 1.25/1.75 | .10/.35 | .30/.60 | .40/.60 | .25 Max(Opt) | – | – | – | – | – | – | – |
| M2(6/5/2) | .80 | .40 | .40 | 4.30 | 6.5 | 2.0 | 5.0 | – | – | – | – | – | – |
| OHNS | .95 | 1.00 | – | 0.50 | 0.5 | 0.10 | – | – | – | – | – | – | – |
| SOME PLAIN CARBON STEELS FROM DIN GROUP | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| GRADE | Specification/Chemistry | Nearest Equivalent Grades | ||||||||
| DIN 17200/82 | C | Mn | Si | S | P | ASP | IS 1570/1961 | SAE/AISI | EN | AFNOR |
| Ck 22 | .15/.25 | .60/.90 | .15/.35 | .050Maxs | .050Max | CI-2 | C – 20 | 1023 | En3, En3A En3B,EN3C | – |
| Ck 40 | .35/.45 | .60/.90 | .15/.35 | .050Max | .050Max | – | C – 40 | 1040 | En8, En8A En84 | Xc 38 |
| Ck 45 | .40/.50 | .60/.90 | .15/.35 | .050Max | .050Max | CI-4 | C – 45 | 1045 | En 43B | Xc45,Xc48 |
| Ck 53 | .45/.55 | .60/.90 | .15/.35 | .050Max | .050Max | – | C – 50 | 1049,1050 | En 43A En43C | Xc50,Xc54 |
| Ck 53 | .45/.55 | .60/.90 | .15/.35 | .050Max | .050Max | – | C – 50 | 1049,1050 | En 43A En 43C | Xc50,Xc54 |
| Ck 60 | .55/.65 | .50/.80 | .15/.35 | .050Max | .050Max | – | C – 60 | 1060 | En43D | Xc 60 |
| STEEL TYPE | BUHLER VIEW | CHEMICAL ANALYSIS | HEAT TREATMENT | CORRESPONDING SPECIFICATIONS | TYPICAL APPLICATIONS | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Cr | Mo | W | V | Co | Hardening Temperature | Quenching Medium | Tempering Temperature | Brinell Rock-well Hardness | Japan JIS | AISI | POLDI THREAD | |||
| HIGH SPEED STEEL | |||||||||||||||||
| S 600 | 0.80 TO 0.90 | <=0.40 | <=0.40 | 3.80 to 4.50 | 4.50 to 5.50 | 5.50 to 6.70 | 1.60 to 2.20 | – | 1190-1230 | OIL/AIR | 540-570 | 64-66 | SKH9 SKH 51 | M-2 | MAXIMUM SPECIAL M05 | Thread Cutting Tool, Twist Drills, Reamers, Broaching Tools, Metal Saws, Various Milling Tools, Wood Working Tools, Cold Work Tools. | |
| S 705 | 0.80 TO 0.90 | <=0.40 | <=0.40 | 3.80 to 4.50 | 4.80 to 6.20 | 5.50 to 6.70 | 1.70 to 2.30 | 4.50 TO 5.50 | 1190-1230 | OIL/AIR | 550-580 | 64-66 | SKH 55 | M-35 | MAXIMUM SPECIAL 76mo | Various turning & Planning Tools, Milling Cutters, Taps, Twist Drills, Wood Working Tools, Cold Work Tools. | |
| S 500 | 1.00 TO 1.15 | <=0.50 | <=0.40 | 3.50 to 4.50 | 9.00 to 10.00 | 1.20 to 1.90 | 0.90 TO 1.40 | 7.50 to 8.50 | 1170-1210 | OIL/AIR | 530-560 | 67-69 | SKH 59 | M-42 | – | Milling Cutters, Twist Drills, Thread Cutting Tools, Broaching Tools, Cold Work Tools. | |
| HOT DIE STEEL | |||||||||||||||||
| W 300 | 0.32 TO 0.42 | 0.80 TO 1.20 | <=0.50 | 4.50 to 5.50 | 1.00 to 1.50 | – | 0.30 to 0.50 | – | 1000-1040 | OIL/AIR | 550-560 | 52-56(oil) 50-54(AIR) | SKD 6 | H-11 | TLH | High duty hot work tools such as mandrels, dies & containers for metal tube & rod extrusion,hot,impat extrusion tools, tools for the manufacture of hollow bodies, tools for the manufacture of screws,nuts,rivets & bolts, pressure die casting dies, forming dies, die inserts, hot shear blades | |
| W 302 | 0.32 TO 0.42 | 0.80 TO 1.20 | <=0.50 | 4.50 to 5.50 | 1.00 to 1.50 | – | 0.80 to 1.20 | – | 1020-1080 | OIL/AIR | 550-560 | 52-56(oil) 50-54(AIR) | SKD 61 | H-13 | TLI | ||
| COLD WORK TOOL STEEL | K 100 | 1.90 TO 2.20 | 0.10 TO 0.40 | 0.15 to 0.45 | 11.00 to 12.00 | – | – | – | – | 930-980 | OIL/AIR | 150-200 | 63-65 | SKD-1 | D-3 | 2002 | High Efficiency cutting tools(die & punches),Blanking tools wood working tools, shear blades for cutting thin materials, thread rolling dies,drawing,deep drawing & extrusion tools, pressing tools for the ceramics the pharmaceutical industry, cold rolls for multiple rolles stands,gavage,plastic modes. |
| K 105 | 1.55 TO 1.75 | 0.25 TO 0.40 | 0.20 to 0.40 | 11.00 to 12.00 | 0.50 to 0.70 | 0.40 to 0.60 | 0.10 to 0.50 | – | 650-700 | OIL/AIR | – | 63-65 | SKD-11 | D-2 | 2002 R | ||
| K 110 | 1.50 TO 1.60 | 0.10 TO 0.40 | 0.15 to 0.45 | 11.00 to 12.00 | 0.60 to 0.80 | – | 0.90 to 1.10 | – | 650-700 | OIL/AIR | – | 63-65 | SKD-11 | D-2 | – | ||
| PLASTIC MOULD STEEL | M 201 | 0.35 TO 0.45 | 0.20 TO 0.40 | 1.30 to 1.60 | 1.80 to 2.10 | 0.15 to 0.25 | – | – | – | 840-870 | OIL | – | 51 | – | P-20 | – | Plastic moulds,frames for plastic moulds & pressure casting dies recipient sleeves. |
| M 200 | 0.35 TO 0.45 | 0.30 TO 0.50 | 1.40 to 1.60 | 1.80 to 2.00 | 0.15 to 0.25 | P/0.030 | S/0.05 to 0.10 | – | 840-860 860-880 | OIL/AIR | 600-650 | – | – | P-20+S | – | ||
| M 238 | 0.35 TO 0.45 | 0.20 TO 0.40 | 1.30 to 1.60 | 1.80 to 2.10 | 0.15 to 0.25 | NI/1.0 | – | – | 840-870 | OIL | – | 51 | – | P-20+NI | – | ||
| EN SERIES STEEL | EN-1A | 0.07 TO 0.15 | 0.10 | 0.80 to 1.00 | S/0.20 to 0.30 | P/0.70Max | – | – | – | – | – | – | – | – | – | – | Auto Parts,tools & Productions Machine. |
| EN-8 | 0.35 TO 0.45 | 0.05 to 0.30 | 1.60 to 1.00 | S/0.06 Max | P/0.06 Max | – | – | – | 750-900 | OIL | 200-250 | 55-60 | – | – | – | Components of small cross section, requiring low tensile strength, as well as heavy forging in the normalized condition for automotive & general engineering such as axles, clutch, shafts, presses & punches parts, piston rods & gear rods. | |
| EN-9 | 0.50 TO 0.60 | 0.05 to 0.30 | 0.5 to 0.80 | – | – | – | – | – | 850-900 | OIL | 200-250 | 55-60 | – | – | – | Bolts/c tools, axial shaft | |
| EN-19(V 320) | 0.35 to 0.45 | 0.10 to 0.30 | 0.50 to 0.80 | 0.90 to 1.40 | 0.20 to 0.40 | – | – | – | 900-950 | OIL | 200-225 | 45-55 | SCM 4 | 4140 | – | Components of mediums & large cross section, requiring high tensile strength & toughness for automatic engineering and gear & engine construction such as crankshafts steering knocking connecting. | |
| EN-24(V 130) | 0.35 to 0.45 | 0.10 to 0.35 | 0.45 to 0.70 | 0.90 to 1.40 | 0.20 to 0.35 | Ni/1.3 to 1.8 | – | – | 830-860 | OIL | 540-680 | 45-55 | SNCM 8 | 4340 | – | Highly stressed components of large cross section for aircraft, automotive & general enginery application such as propeller shafts connecting rods gear shafts crankshafts & landing gear components, heavy forging, such as rotary shaft & discs. | |
| EN-31(R-100) | 0.90 to 1.20 | 0.10 to 0.35 | 0.30 to 0.75 | 1.00 to 1.60 | – | – | – | – | 820-860 | OIL | 180-225 | 59-65 | – | – | – | For roller bearing components such as bakes, cylindrical, conical & needle rollers. | |
| EN-353 | 0.10 to 0.20 | 0.35 | 0.50 to 1.00 | 0.75 to 1.25 | 0.08 to 0.15 | Ni/1.00 to 1.50 | – | – | 840-870 | OIL | 150-200 | 62-64 | – | – | – | M/C Components. | |