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4130 Carbon Steel Hex Bar
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4130 Carbon Steel Hex Bar

  1. Competitive price and quality from our own factory
  2. Approved by ISO9001, CE, SGS every year
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  5. Smooth production ability(50000tons/month)
  6. Quick delivery and standard exporting package
  7. OEM/ODM
  • As customers' demands

  • Hongguan

4130 Carbon Steel Hex Bar Manufacturer & Supplier

Shandong Hongguan Steel Group Co., Ltd. offers hot rolled round steel, cold drawn round steel, forged steel bar, cold drawn square steel, cold drawn flat steel, cold drawn hexagonal steel in different sizes and grades. Hongguan Steel offers custom sizes and can process bars according to your drawings and detail requirements. Hongguan Steel can also provide heat treatment of bars, Q+T treatment to ensure their hardness. Hongguan Steel can provide good service, quality products, fast delivery, and after-sales service to our customers. Hongguan Steel hopes to establish good cooperation with all interested parties.

4130 Carbon Steel Hex Bar Description

Product Name

4130 Carbon Steel Hex Bar

GB/T 700-2006,GB/T  1591-94,JIS G3101-2004,
ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05,
ASTM A572/A572M-06,EN 10025-2-2004
Q195,Q215 A,Q215 B,Q235  A,Q235 B,Q235 C,
Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460,
60(415),65(450),S185(1.0035),S235JO(1.0114),  S235JR(1.0038),
E295(1.0050),E335(1.0060),  S235J2W(1.861),S355J2W(1.8965),10#,
1m,3m,5.8m,6m,12m or as  required
Natural color,  bright,black,coated, or as customer required
Standard export  seaworthy or as customers' requirements
Hexagonal steel can be composed of various  stress-bearing components according to different needs of the structure, and  can also
be used as a connection between components. It is widely used in  various building structures and engineering structures, such as
house beams, bridges, power transmission towers, lifting and  transporting machinery, ships, industrial furnaces, reaction towers,
container racks and warehouse shelves.

Main materials we can supply

USA Japan Germany U.K.
France Italy Spain Sweden China
A570.36 STKM 12A 1.0038 RSt.37‐2 4360 E 24‐2 1311 15


40 C

1015 1.0401 C15 080M15 CC12 C15, C16 F.111 1350 15
1020 1.0402 C22 050A20 2C CC20 C20, C21 F.112 1450 20
1213 SUM22 1.0715 9SMn28 230M07 1A S250 CF9SMn28 F.2111 1912 Y15

12L13 SUM22L 1.0718 9SMnPb28 S250Pb CF9SMnPb28 11SMnPb28 1914
1.0722 10SPb20 10PbF2 CF10Pb20 10SPb20
1215 1.0736 9SMn36 240M07 1B S300 CF9SMn36 12SMn35 Y13
12L14 1.0737 9SMnPb36 S300PB CF9SMnPb36 12SMnP35 1926
1015 S15C 1.1141 Ck15 080M15 32C XC12 C16 C15K 1370 15
1025 S25C 1.1158 Ck25 25
A572‐60 1.89 StE380 4360 55 FeE390KG 2145


1035 1.0501 C35 060A35 CC35 C35 F.113 1550 35
1045 1.0503 C45 080M46 CC45 C45 F.114 1650 45
1140 1.0726 35S20 212M36 8M 35MF4 F210G 1957
1039 1.1157 40Mn4 150M36 15 35M5 40Mn
1335 SMn438(H) 1.1167 36Mn5 40M5 36Mn5 2120 35Mn2
1330 SCMn1 1.117 28Mn6 150M28 14A 20M5 C28Mn 30Mn
1035 S35C 1.1183 Cf35 060A35 XC38TS C36 1572 35Mn
1045 S45C 1.1191 Ck45 080M46 XC42 C45 C45K 1672 Ck45
1050 S50C 1.1213 Cf53 060A52 XC48TS C53 1674 50
1055 1.0535 C55 070M55 9 C55 1655 55
1060 1.0601 C60 080A62 43D CC55 C60 60
1055 S55C 1.1203 Ck55 070M55 XC55 C50 C55K 55
1060 S58C 1.1221 Ck60 080A62 43D XC60 C60 1678 60Mn
1095 1.1274 Ck101 060A96 XC100 F.5117 1870
W1 SK3 1.1545 C105W1 BW1A Y105 C36KU F.5118 1880
W210 SUP4 1.1545 C105W1 BW2 Y120 C120KU F.515 2900

4130 steel equivalent material

Country USA BS BS Japan
Standard ASTM A29 EN 10250/EN10083 BS 970 JIS  G4105
Grades 4130 25CrMo4/1.7218 708A25/708M25 SCM430

4130 Carbon Steel Hex Bar Chemical Composition

Standard Grade C Mn P S Si Cr Mo
ASTM A29 4130 0.28-0.33 0.40-0.60 0.035 0.04 0.15-0.35 0.80-1.10 0.15-0.25
EN10250 25CrMo4/ 0.22-0.29 0.60-0.90 0.025 0.035 ≦0.40 0.90-1.2 0.15-0.30
/EN10083 1.7218
JIS G4105 SCM430/ 0.28-0.33 0.60-0.85 0.03 0.03 0.15-0.35 0.90-1.2 0.15-0.30

4130 Carbon Steel Hex Bar Mechanical Properties

Properties Metric
Tensile  strength, ultimate 560 MPa
Tensile  strength, yield 460 MPa
Modulus of  elasticity 190-210 GPa
Bulk modulus  (Typical for steel) 140 GPa
Shear  modulus (Typical for steel) 80 GPa
Poissons  ratio 0.27-0.30
Elongation  at break (in 50 mm) 21.50%
Reduction of  area 59.6
Hardness,  Brinell 217
Hardness,  Knoop (Converted from Brinell hardness) 240
Hardness,  Rockwell B (Converted from Brinell hardness) 95
Hardness,  Rockwell C (Converted from Brinell hardness, value below normal HRC range,  for comparison purposes only.) 17
Hardness,  Vickers (Converted from Brinell hardness) 228
Machinability  (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) 70

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