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.

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Parameter
Chemical Composition
Mechanical Properties
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
PACKAGING & DELIVERY

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INTRODUCTION

We specialize in producing stainless steel products, carbon steel products, copper products, aluminum products, etc. Especially stainless steel rods, stainless steel plates, seamless steel pipes, and stainless steel coils. Our products are corrosion-resistant and heat-resistant. We will provide you with high-quality, low-priced, and first-class services, and hope to become your gold medal supplier. We cooperate with many countries, including Asia, Europe, the Middle East, Africa, North America, South America, etc.

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FAQ

Q1:Do you provide samples? Is it free or extra?
A1:Yes, we can provide samples free of charge and the customer will pay the freight.
Q2:What if I don't have export experience ?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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