Lucefin Group |
EUROPE EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
|
Non-alloy structural steels |
S235JR |
S235JR |
Fe 360 BFN |
Q235B |
RSt 37-2 1.0038 |
-- |
40 B |
St3sp |
-- |
S235J2 |
S235J2 |
Fe 360 D |
Q235A |
St 37-3 U 1.0116 |
E 24-4 |
40 D |
St3ps |
A 414 g A |
S275JR |
S275JR |
Fe 430 B |
Q255A |
St 44-2 1.0044 |
E 28-2 |
43 B |
St4ps |
A 283 g D |
S275J0 |
S275J0 |
Fe 430 C |
-- |
St 44-3 U 1.0143 |
E 28-3 |
43 C |
-- |
-- |
S355J0 |
S355J0 |
Fe 510 C |
-- |
St 52-3 U 1.0553 |
E 36-3 |
50 C |
St4sp |
A 441 |
S355J2 |
S355J2 |
Fe 510 D |
-- |
St 52-3 N 1.0553 |
-- |
50 D |
17G1S |
A 350 LF2 |
E295 |
E295 |
Fe 490 |
Q275 |
St 50-2 1.0050 |
A 50-2 |
-- |
St5ps |
-- |
E335 |
E335 |
Fe 590 |
HRB335 |
St 60-2 1.0060 |
A 60-2 |
-- |
St6ps |
-- |
Free cutting steels |
10SPb20 |
10SPb20 |
CF10SPb20 |
Y12Pb |
10SPb20 1.0722 |
10PbF2 |
-- |
AS14 |
11L08 |
11SMn30 |
11SMn30 |
CF9SMn28 |
-- |
9SMn28 1.0715 |
S250 |
230M07 |
-- |
1215 |
11SMnPb30 |
11SMnPb30 |
CF9SMnPb28 |
Y15Pb |
9SMnPb28 1.0718 |
S250Pb |
-- |
(AS14) |
12L15 |
11SMn37 |
11SMn37 |
CF9SMn36 |
-- |
9SMn36 1.0736 |
S300 |
-- |
-- |
1214 |
11SMnPb37 |
11SMnPb37 |
CF9SMnPb36 |
-- |
9SMnPb36 1.0737 |
S300Pb |
-- |
-- |
12L14 |
35SPb20 |
35SPb20 |
35SPb20 |
-- |
35SPb20 1.0756 |
35SPb20 |
35SPb20 |
-- |
--- |
36SMn14 |
36SMn14 |
35SMn10 |
-- |
36SMn14 1.0764 |
36SMn14 |
-- |
-- |
-- |
36SMnPb14 |
36SMnPb14 |
35SMnPb10 |
-- |
36SMnPb14 1.0765 |
35MF6Pb |
-- |
(AS35G2) |
-- |
46S20 |
46S20 |
46S20 |
-- |
45S20 1.0727 |
45Mf4 |
46S20 |
-- |
(1146) |
46SPb20 |
46SPb20 |
46SPb20 |
-- |
45SPb20 1.0757 |
46SPb20 |
46SPb20 |
(AS45G2) |
11L46) |
Lucefin Group |
EUROPE EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
|
Case hardening steels |
C10E |
C10E |
C10 |
10 |
Ck10 1.1121 |
XC10 |
045M10 |
10 |
1010 |
C15E |
C15E |
C15 |
15 |
Ck15 1.1141 |
XC12 |
080M15 |
15 |
1015 |
C16E |
C16E |
C15 |
15AL |
C16E 1.1148 |
XC18 |
080M15 |
-- |
1016 |
XC18 |
C16E |
C20 |
20 |
Ck22 1.1151 |
XC18 |
070M20 |
20 |
1023 |
16MnCr5 16MnCr5Pb |
16MnCr5 |
16MnCr5 |
15CrMn |
16MnCr5 1.7131 |
16MC5 |
590M17 |
18ChG |
5115 |
20MnCr5 20MnCr5Pb |
20MnCr5 |
20MnCr5 |
20CrMn |
20MnCr5 1.7147 |
20MC5 |
-- |
20Ch |
5120 |
17NiCrMo6-4 |
17NiCrMo6-4 |
-- |
-- |
17NiCrMo6-4 1.6566 |
-- |
-- |
-- |
-- |
18NiCrMo5 18NiCrMo5Pb |
17NiCrMo6-4 |
18NiCrMo5 |
-- |
-- |
18NCD6 |
815M17 |
-- |
(4317) |
20NiCrMo2-2 |
20NiCrMo2-2 |
20NiCrMo2 |
20CrNiMo |
21NiCrMo2 1.6523 |
20NCD2 |
805M20 |
20ChGNM |
8620 |
16NiCr4 16NiCr4Pb |
16NiCr4 -- |
16CrNi4 16NiCr4Pb |
-- |
15CrNi6 1.5919 |
16NC4 |
637M17 |
12ChN2 |
4320 |
16NiCr11 |
16NiCr12 |
16NiCr11 |
12CrNi3 |
14NiCr10 1.5732 |
16NC11 |
-- |
-- |
3415 |
16NiCrMo12 |
14NiCrMo13-4 |
16NiCrMo12 |
-- |
16NiCrMo12-6 1.6782 |
16NCD13 |
-- |
-- |
-- |
Nitriding steels |
34 CrAlNi7-10 |
34CrAlNi7-10 |
34CrAlNi7-10 |
-- |
34CrAlNi7 1.8550 |
-- |
-- |
-- |
K52440 |
41CrAlMo7-10 |
41CrAlMo7-10 |
41CrAlMo7 |
38CrMoAl |
41CrAlMo7 1.8509 |
40CAD6.12 |
905M39 |
38Ch2MJuA |
K240065 |
Carbon steels |
ASTM A 105 |
-- |
-- |
-- |
C21 1.0432 |
-- |
-- |
-- |
A 105 |
ASTM A 350 LF2 |
S355J2 |
Fe 510D |
16Mn |
St52.3N 1.0553 |
-- |
50D |
20G |
A 350 LF2 |
Steels for creep strength |
P235GH |
P235GH |
Fe360 1 KW |
-- |
P235GH 1.0345 |
A37CP |
141-360 |
-- |
A285 g A |
42CrMo4 |
42CrMo4 |
42CrMo4 |
42CrMo |
42CrMo4 1.7225 |
42CD4 |
708M40 |
40ChML |
A193-B7 |
40CrMoV4-6 |
40CrMoV4-6 |
40CrMoV4-6 |
-- |
40CrMoV4-6 1.7711 |
-- |
670-860 |
-- |
A193 B16 |
10CrMo9-10 |
10CrMo9-10 |
12CrMo9 10 KG |
12Cr2MoG |
10CrMo9-10 1.7380 |
12CD9-10 |
622/B3 |
10Ch2M |
A182 F22 |
Lucefin Group |
EUROPE EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
|
Carbon steels for quenching and tempering |
C22E |
C22E C22R |
C20 |
20 |
Ck22 Cm22 1.1151 1.1149 |
XC18 |
070M20 |
20 |
1020 |
C30E |
C30E C30R |
C30 |
30 |
Ck30 Cm30 1.1178 1.1179 |
XC32 |
080M30 |
30 |
1030 |
C35E |
C35E C35R |
C35 |
35 |
Ck35 Cm35 1.1181 1.1181 |
XC38H1 |
080M36 |
35 |
1034 |
C38 |
C35E C35R |
C35 |
-- |
Ck35 Cm35 1.1181 1.1180 |
XC38H1 |
080M36 |
38 |
1035 |
C40E |
C40E C40R |
C40 |
40 |
Ck40 Cm40 1.1186 1.1189 |
XC42H1 |
080M40 |
40 |
1040 |
C45E |
C45E C45R |
C45 |
45 |
Ck45 Cm45 1.1191 1.1201 |
XC48H1 |
080M46 |
45 |
1045 |
C50E |
C50E C50R |
C50 |
50 |
Ck50 Cm50 1.1206 1.1241 |
-- |
080M50 |
50 |
1050 |
C55E |
C55E |
C55 |
55 |
CK55 1.1203 |
XC55 H1 |
070M55 |
-- |
1055 |
C60E |
C60E C60R |
C60 |
60 |
Ck60 Cm60 1.1221 1.1223 |
-- |
070M60 |
60 |
1060 |
Quenched and tempered steels |
41Cr4 |
41Cr4 |
41Cr4 |
40Cr |
41Cr4 1.7035 |
42C4 |
530M40 |
41Ch |
5140 |
34CrMo4 |
34CrMo4 |
34CrMo4 |
30CrMo |
34CrMo4 1.7220 |
34CD4 |
-- |
35ChM |
4135 |
42CrMo4 42CrMo4Pb |
42CrMo4 |
42CrMo4 |
42CrMo |
42CrMo4 1.7225 |
42CD4 |
708M40 |
38ChM |
4140 |
39NiCrMo3 39NiCrMo3Pb |
39NiCrMo3 -- |
39NiCrMo3 39NiCrMo3Pb |
-- |
36CrNiMo4 1.6511 |
40NCD3 |
816M40 |
40ChN2MA |
9840 |
34CrNiMo6 |
34CrNiMo6 |
35NiCrMo6 |
-- |
34CrNiMo6 1.6582 |
35NCD6 |
817M40 |
38Ch2N2MA |
9840 |
40NiCrMo7 |
40NiCrMo7 |
40NiCrMo7 |
-- |
40NiCrMo8 1.6562 |
-- |
-- |
30ChNML |
E4340 |
30CrNiMo8 |
-- |
30CrNiMo8 |
-- |
30CrNiMo8 1.6580 |
30CND8 |
823M30 |
30ChN2MA |
(320L43) |
36NiCrMo16 |
36NiCrMo16 |
34NiCrMo16 |
-- |
36NiCrMo16 1.6773 |
35NCD16 |
85M30 |
-- |
-- |
50CrMo4 |
50CrMo4 |
50CrMo4 |
ZG50CrMo |
50CrMo4 1.7228 |
-- |
-- |
50Ch |
4150 |
Flame and induction hardening steels |
C43 |
-- |
C43 |
-- |
-- |
-- |
-- |
-- |
-- |
C48 |
-- |
C48 |
-- |
-- |
-- |
-- |
-- |
1049 |
Cf53 |
C53 |
C53 |
-- |
Cf53 1.1213 |
XC48 TS |
070M55 |
-- |
(1050) |
36CrMn4 |
37Cr4 appr. |
36CrMn4 |
35Cr4 |
37Cr4 1.7034 |
38C4 |
-- |
38ChA |
5135 |
41CrMo4 |
41CrMo4 |
41CrMo4 |
40Cr |
41CrMo4 1.7225 |
-- |
-- |
40Ch |
4142 |
40NiCrMo3 |
-- |
40NiCrMo3 |
-- |
-- |
-- |
-- |
-- |
-- |
50CrMo4 |
50CrMo4 |
50CrMo4 |
ZG50CrMo |
50CrMo4 1.7228 |
-- |
-- |
50Ch |
4150 |
Lucefin Group |
EUROPA EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
|
Spring steels |
C60E |
C60E |
C60 |
60 |
Ck60 Cm60 1.1221 1.1223 |
-- |
070M60 |
60 |
1060 |
56Si7 |
56Si7 |
55Si7 |
55Si2Mn |
55Si7 1.5026 |
55S7 |
251A58 |
55S2 |
9255 |
60SiCr8 |
60SiCr8 |
60SiCr8 |
60Si2CrA |
60SiCr7 1.7108 |
61SC7 |
-- |
60S2G |
9261H 9262 |
51CrV4 |
51CrV4 |
50CrV4 |
50CrVA |
50CrV4 1.8159 |
50CV4 |
735A50 |
50ChGF |
6150 |
52SiCrNi5 |
-- |
52SiCrNi5 |
ZG50CrMo |
52SiCrNi5 1.7117 |
52SiCrNi5 |
-- |
-- |
-- |
Ball and roller bearing steels |
102Cr 6 |
102Cr6 |
100Cr6 |
Cr2 |
100Cr6 1.3505 |
100Cr6 |
-- |
ShCh15 |
52100 |
100CrMo7 |
100CrMo7 |
100CrMo7 |
GC18Mo |
100CrMo7 1.3537 |
100CD7 |
-- |
-- |
A485(3) |
X82WMoV 6 5 |
X80WMoCrV654 |
X82WMoV65 |
-- |
X82WMoCrV6-5-4 1.3553 |
Z85WCDV6 |
-- |
85Ch4M5F2V6L |
A597 CM2 |
Alloyed hot work tool steels |
X37CrMoV5-1 |
X 37CrMoV5-1 |
X37CrMoV5.1KU |
4Cr5MoSiV |
X 38CrMoV5-1 1.2343 |
Z 38CDV5 |
B-H 11 |
4Ch5MFS |
H 11 |
X40CrMoV5-1 |
X 40CrMoV5-1 |
X40CrMoV5.1.1KU |
4Cr5MoSiV1 |
X 40CrMoV5-1 1.2344 |
Z 40CDV5 |
B-H 13 |
4Ch4VMFS |
H 13 |
40NiCrMoV 16 KU |
-- |
40NiCrMoV16KU |
-- |
35NiCrMo16 1.2766 |
Y35NCD16 |
-- |
-- |
-- |
55NiCrMoV7 |
55NiCrMoV7 |
56NiCrMoV7KU |
5CrNiMo |
56NiCrMoV7 1.2714 |
55NCDV7 |
BH 224 |
4ChMNFS |
A681 L6 |
Steels for chromium-plating |
C45E |
C45E C45R |
C45 |
45 |
Ck45 Cm45 1.1191 1.1201 |
XC48H1 |
080M46 |
45 |
1045 |
Cf53 |
C53 |
C53 |
-- |
Cf53 1.1213 |
XC48 TS |
070M55 |
-- |
1050 |
20MnVS6 |
-- |
20MnV6 |
20MnV |
20MnV6 1.5217 |
-- |
-- |
-- |
A381 |
42CrMo4 |
42CrMo4 |
42CrMo4 |
42CrMo |
42CrMo4 1.7225 |
42CD4 |
708M40 |
38ChM |
4140 |
39NiCrMo3 |
39NiCrMo3 |
39NiCrMo3 |
-- |
36CrNiMo4 1.6511 |
40NCD3 |
816M40 |
40ChN2MA |
9840 |
50CrMo4 |
50CrMo4 |
50CrMo4 |
ZG50CrMo |
50CrMo4 1.7228 |
-- |
-- |
50Ch |
4150 |
Lucefin Group |
EUROPE EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
|
Alloyed cold work tool steels |
35CrMo7 |
35CrMo7 |
35CrMo8KU |
5CrMnMo |
40CrMnMo7 1.2311 |
-- |
-- |
-- |
-- |
40CrMnMo7 |
35CrMo8 |
35CrMo8KU |
(5CrMnMo) |
40CrMnMo7 1.2311 |
-- |
-- |
-- |
-- |
100CrMo7 |
100CrMo7 |
100CrMo7 |
GCr18Mo |
100CrMo7 1.3537 |
100CD7 |
-- |
-- |
485(3) |
110W4KU |
-- |
110W4KU |
-- |
120WV4 1.2516 |
-- |
B-F1 |
-- |
A681 A10 |
90MnCrV8 |
90MnCrV8 |
90MnCrV8KU |
9Mn2V |
90MnCrV8 1.2842 |
90MV8 |
B-O2 |
9G2F |
O - 2 |
X38CrMo16 |
X38CrMo16 |
X38CrMo16 1KU |
-- |
X38CrMo16 1.2316 |
-- |
-- |
-- |
A681 D4 |
X153CrMoV12 |
X153CrMoV12 |
X155CrVMo121 |
Cr12MoV |
X155CrVMo121 1.2379 |
X160CrMoV12 1 |
BD 2 |
Ch12Mf |
A681 D 2 |
X210Cr12 |
X210Cr12 |
X205Cr12KU |
C12 |
X210Cr12 1.2080 |
Z200C12 |
BD 3 |
Ch12 |
A681 D 3 |
58SiMo8KU |
-- |
58SiMo8KU |
-- |
-- |
-- |
-- |
-- |
-- |
60WCrV8 |
60WCrV8 |
58WCr9KU |
6CrW2Si |
60WCrV7 1.2550 |
55WC20 |
-- |
6ChV2S |
A681 S-1 |
C45U |
C45U |
C45U |
(45) |
1.1730 |
Y3 42 |
C45U |
(45) |
(1045) |
High-speed steels |
|
HS 6-5-2-5 |
HS 6-5-2-5 |
HS 6-5-2-5 |
W6Mo5Cr4V2Co5 |
S 6-5-2-5 1.3243 |
Z90WDKCV 06-05-05-04-02 |
BM35 |
R6M5K5 |
A600M36 |
HS 2-9-1-8 |
HS 2-9-1-8 |
HS 2-9-1-8 |
W2Mo9Cr4VCo8 |
S 2-10-1-8 1.3247 |
Z110DKCWV 09-08-04-02-01 |
BM42 |
R2AM9K5 |
A600 M42 |
HS 6-5-2C |
HS 6-5-2C |
HS 6-5-2 |
CW6Mo5Cr4V2 |
S 6-5-2 1.3343 |
Z90WDCV 06.05.02 |
BM2 |
R6AM5 |
A600 M-2 |
HS 10-4-3-10 |
HS 10-4-3-10 |
HS 10-4-3-10 |
-- |
HS 10-4-3-10 1.3207 |
Z130WKCDV 10.10.04.04.03 |
BT42 |
R9M4K8 |
A600 M44 |
Stainless steels |
AISI 303 |
X8CrNiS18-9 |
X10CrNiS18-09 |
Y1Cr18Ni9 |
X10CrNiS18-9 1.4305 |
Z8CNF18-09 |
303S31 |
12Ch18N10E |
303 |
AISI 304 |
X5CrNi18-10 |
X5CrNi18-10 |
0Cr18Ni9 |
X5CrNi18-10 1.4301 |
Z5CN18-09 |
304S15 |
07Ch18N10 |
304 |
AISI 316 |
X5CrNiMo17-12-2 |
X5CrNiMo17 12 |
0Cr17Ni12Mo2 |
X5CrNiMo17-12-2 1.4401 |
Z7CND17-12-02 |
316S31 |
08Ch17N13M2 |
316 |
AISI 416 |
X12CrS13 |
X12CrS13 |
Y1Cr13 |
X12CrS13 1.4005 |
Z11CF13 |
416S21 |
-- |
416 |
AISI 420 |
X20Cr13 |
X20Cr13 |
2Cr13 |
X20Cr13 1.4021 |
Z20C13 |
420S37 |
20Ch13 |
420 |
AISI 430 |
X6Cr17 |
X8Cr17 |
1Cr17 |
X6Cr17 1.4016 |
Z8C17 |
430S17 |
12Ch17 |
430 |
AISI 431 |
X17CrNi16-2 |
X17CrNi16-2 |
1Cr17Ni2 |
X17CrNi16-2 1.4057 |
Z15CN16-02 |
431S29 |
17Ch17N2 |
431 |
Lucefin Group |
EUROPE EN |
ITALY UNI |
CHINA GB |
GERMANY DIN |
FRANCE AFNOR |
U.K B.S. |
RUSSIA GOST |
USA AISI SAE |
Unalloyed steels |
SAE 1141 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
1141 |
SAE 1116 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
1116 |
SAE 1117 |
(15S10) |
-- |
-- |
-- |
-- |
(214A15) |
-- |
1117 |
SAE 1018 |
-- |
C18 |
20 |
St 45.8 1.0405 |
-- |
080A17 |
18G |
1018 |
SAE 1045 |
C45E |
C45 |
45 |
CK45 1.1191 |
XC48H1 |
080M46 |
45G |
1045 |
CB 4 FF |
CB4 FF KD |
CB4 FF |
-- |
C4 C 1.0303 |
-- |
-- |
-- |
-- |
CB 20 FF |
C21 KD |
CB20 FF |
20g |
C22 C 1.1152 |
-- |
-- |
-- |
-- |
C 20 |
C22 |
C20 |
20 |
C22 1.0402 |
C20 |
070M20 |
20A |
M1020 |
Certificate & Inspection : c/w Calibration Works Certificate EN10204 3.1/DIN 50049 3.1/ISO 10474 Mill Test Report, NACE MR-01-03/NACE MR-01-75/ISO-15156, CE Marked, European Pressure Equipment Directive PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part-A Edition 2008, API 6A, with 3.2 certificate duly certified & approved by LRS-Lloyd's Register, GL-Germanischer Lloyd, BV-Bureau Veritas, DNV-Det Norske Veritas, ABS-American Bureau of Shipping, SGS, TUV, RINA, IRS (Indian Register of Shipping), Class NK (Nippon Kaiji Kyokai), KR (Korean Register of Shipping), NORSOK APPROVED STANDARD M630, M650 Rev.3
Regards,
CONTACT PERSON :
MUKESH SHAH
Director
Mobile No. 0091 - 9820292499
Email - marketing@rolexmetals.com
ROLEX METAL DISTRIBUTORS
( A METAL & STEEL Company )
57-A, KHATARGALLI,
THAKURDWAR,
MUMBAI - 400002, INDIA.
TEL.No. 0091-22-23858802
TEL.No. 0091-22-23823963
FAX No. 0091-22-23898724
Email - marketing@rolexmetals.com
Website – www.rolexmetals.com
CHAIRMAN – chairman@rolexmetals.com
MANAGING DIRECTOR – managingdirector@rolexmetals.com
TECHNICAL DIRECTOR – technicaldirector@rolexmetals.com
SALES DIRECTOR – salesdirector@rolexmetals.com
COMMERCIAL DIRECTOR – commercialdirector@rolexmetals.com
COMMERCIAL MANAGER – commercial@rolexmetals.com
GENERAL MANAGER – generalmanager@rolexmetals.com
SALES MANAGER – salesmanager@rolexmetals.com
PURCHASE MANAGER – purchasemanager@rolexmetals.com
TECHNICAL MANAGER – technical@rolexmetals.com
WORKS MANAGER – worksmanager@rolexmetals.com
STORES MANAGER – stores@rolexmetals.com
WAREHOUSE MANAGER – warehouse@rolexmetals.com
SALES DOMESTIC – salesdomestic@rolexmetals.com
SALES INTERNATIONAL – salesinternational@rolexmetals.com
SALES GENERAL – sales@rolexmetals.com
PURCHASE GENERAL – purchase@rolexmetals.com
FINANCE MANAGER – finance@rolexmetals.com
ACCOUNTS MANAGER – accounts@rolexmetals.com
GENERAL INFORMATION – info@rolexmetals.com
EXPORT MANAGER – export@rolexmetals.com
IMPORT MANAGER – import@rolexmetals.com
AIR EXPORT – airexport@rolexmetals.com
SEA EXPORT – seaexport@rolexmetals.com
CUSTOMS – customs@rolexmetals.com
AIR FREIGHT – airfreight@rolexmetals.com
SEA FREIGHT – seafreight@rolexmetals.com
DESPATCH – despatch@rolexmetals.com
INSPECTION – inspection@rolexmetals.com
LOGISTICS – logistics@rolexmetals.com
TRANSPORT – transport@rolexmetals.com
KALAMBOLI WAREHOUSE – kalamboli@rolexmetals.com
TALOJA WAREHOUSE – taloja@rolexmetals.com
KHOPOLI WAREHOUSE – khopoli@rolexmetals.com
NHAVA SHEVA WAREHOUSE – nhavasheva@rolexmetals.com
KANDLA WAREHOUSE – kandla@rolexmetals.com
MUMBAI WAREHOUSE – mumbai@rolexmetals.com
STOCKYARD – stockyard@rolexmetals.com
SERVICE – service@rolexmetals.com
SUPPORT – support@rolexmetals.com
RECRUITMENT – career@rolexmetals.com
WEBMASTER – webmaster@rolexmetals.com
CUSTOMER CARE – customercare@rolexmetals.com