Carbon Steel Bar

Product name:

Q195 / Grade B / SS 330 / S185(1.0035) Carbon Steel Bar
Compared with other ordinary round bars, carbon steel round steel is of higher quality, and has more stringent chemical composition indicators, and carbon steel round steel plays an important role in the work of some deep-drawn products.
INFORMATION PRODUCTS

Product Details
Chemical Composition
Mechanical Behavior
Product Namecarbon steel round bar
Outer Diameter6mm-1020mm, or as per requirements
Length500mm-6000mmor as customer request
StandardASME, ASTM, EN, BS, GB, DIN, JIS, etc
Low alloy high strength structure steelQ295, Q345, Q390, Q420, Q460
Prime Carbon structure steel

10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20,

 SH45,S45C, C45 1015 1020 1025 1030 1035 1045 1050

Alloy structure steel

30Mn2, 40Mn2, 27SiMn, 42Crmo,20Cr, 40Cr, 20CrMo, 35CrMo,

 20CrMnTi, 30CrMnTi,20MnVB, 20MnTiB, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V,

45MnV,
Spring Steel65Mn, 60Si2Mn, 50CrVA
Bearing SteelGCr15, GCr15GD,55SiMoV


GradeCSiMnPSCuCrNi
Cor-ten A0.120.25-0.750.20-0.500.01-0.20.030.25-0.550.5-1.250.65
Cor-ten B0.160.3-0.50.8-1.250.030.030.25-0.400.4-0.65≤0.4
SPA-H0.120.2-0.750.600.07-0.150.0350.25-0.550.3-1.250.65
9CuPCrNi-A0.120.2-0.750.20-0.500.07-0.150.0400.25-0.550.3-1.250.65
Q235NH0.130.10-0.400.20-0.600.030.0300.25-0.550.40-0.800.65
Q295NH0.150.10-0.500.30-1.000.030.0300.25-0.550.40-0.800.65
Q355NH0.160.50.50-1.500.030.0300.25-0.550.40-0.800.65
Q415NH0.120.651.100.0250.0300.20-0.550.30-1.250.12-0.65
Q460NH0.120.651.500.0250.0300.20-0.550.30-1.250.12-0.65
Q500NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q550NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q265GNH0.120.10-0.400.20-0.500.07-0.120.0200.2-0.450.30-0.650.25-0.50
Q295GNH0.120.10-0.400.20-0.500.07-0.120.0200.25-0.450.30-0.650.25-0.50
Q310GNH0.120.25-0.750.20-0.500.07-0.120.0200.25-0.550.30-1.250.65
Q355GNH0.120.20-0.751.000.07-0.150.0200.25-0.550.30-1.250.65
Q345GNHL0.120.25-0.750.20-0.500.07-0.150.0350.25-0.550.30-0.650.65
Q295GQR20.120.10-0.400.20-0.500.06-0.120.0200.25-0.450.30-0.650.25-0.5
Q295GQR30.120.20-0.400.25-0.550.06-0.120.0200.25-0.50------
Q345NQR20.120.25-0.750.20-0.500.06-0.120.0200.25-0.500.3-1.250.12-0.65
Q345NQR30.120.20-0.500.25-0.700.06-0.120.0200.25-0.50------
Q400NQR10.120.751.100.0250.0080.25-0.550.3-1.250.12-0.65
Q450NQR10.120.751.500.0250.0080.25-0.550.3-1.250.12-0.65
Q500NQR10.120.752.000.0250.0080.25-0.550.3-1.250.12-0.65
Q550NQR10.160.752.000.0250.0080.25-0.550.3-1.250.65
Carbon content (wt.%)MicrostructurePropertiesExamples
Low-carbon steel< 0.25Ferrite, pearlite

Low hardness and cost. High ductility, 

toughness, machinability and weldability

AISI 304, ASTM A815, AISI 316L
Medium-carbon steel0.25 – 0.60Martensite

Low hardenability, medium strength,

 ductility and toughness

AISI 409, ASTM A29, SCM435
High-carbon steel0.60 – 1.25PearliteHigh hardness, strength, low ductilityAISI 440C, EN 10088-3
Processing
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