Hot Rolled Carbon Steel Round Bar | Q345B/304/316 Stainless Steel Solid Round Bar
This product covers a full range of round bars, including carbon steel hot rolled round bar, Q345B low alloy steel round bar, and 304/316 stainless steel round bar, designed to meet diverse industrial application needs with high adaptability and stable performance.
The carbon steel hot rolled round bar is produced by advanced hot rolling process, featuring uniform internal structure, high mechanical strength, good ductility and cost-effectiveness, suitable for general structural parts, machinery accessories and low-demand industrial applications. Q345B low alloy steel round bar boasts superior tensile strength and toughness, better than ordinary carbon steel, ideal for heavy-duty structural components, engineering machinery and power equipment. 304/316 stainless steel round bars offer excellent corrosion resistance, rust resistance and hygiene performance, with 316 grade having stronger anti-corrosion ability for harsh environments, suitable for food processing, chemical, marine and high-hygiene requirement fields.
All round bars have precise dimensional tolerance, smooth surface (black skin, peeled or polished optional) and stable material properties. They are widely used in machinery manufacturing, construction engineering, power industry, chemical processing, food equipment and other fields. Strict quality inspection (chemical composition analysis, mechanical performance testing) ensures compliance with industry standards, providing reliable and cost-effective material solutions for various industrial projects.
| Products |
round bar |
| Material |
SS400 S45C S20C |
| Standard |
ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167 |
| Length |
3-12m |
| Size |
8-400mm |
| Application |
ships building industry,petroleum,chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields. |
| Payment Terms |
L/C , T/T or Western Union |
ABOUT US
We specialsied in kinds of steel products more many years,especially in hot rolled steel round bars ,square bars,flat bars ,cold drawn bars and forged bars.
Our main material are all carbon steel and alloy steel ,such as :aisi1020 1035 1045 1055 s20c s35c s45c s55c ss400 a36 c20 c35 c45 ck45 aisi4140/scm440 aisi4340/40crnimoa aisi8620H,40cr,gcr15,sae52100,20Mn,40Mn,St52,St37,S235JR,etc
1. Grade:
45# 45B S45C C45 CK45 Cm45 AISI1045 SAE1045 ASTM1045 XC45 1.0503 0.1191 1.1201
2. Specification:
Dia: 20-300mm, Length:2000-13000mm or as required
3. Process:
Hot rolled, black surface
4. MOQ:
20mt.
5.. Chemical composition:
| Grade |
C |
Si |
Mn |
P |
S |
B |
| 45# |
0.42
0.50
|
0.17
0.37
|
0.50
0.80
|
Max
0.035
|
Max
0.035
|
|
| 45B |
0.42
0.49
|
0.17
0.37
|
0.60
0.90
|
Max
0.035
|
Max
0.035
|
0.0005
0.0035
|
| S45C |
0.42
0.48
|
0.15
0.35
|
0.60
0.90
|
Max
0.030
|
Max
0.035
|
|
| 1045 |
0.43
0.50
|
0.15
0.35
|
0.60
0.90
|
Max
0.030
|
Max
0.050
|
|
6.Quality condition
1): Straightness: 3mm/m (max)
2): Corner Radius: 3(max)
3): The ends will be end cut or gas cut
4): No cracks on the surface
7. Standard:
According to national standard (GB)for our products, if not, supply according to national standards(GB) or agreement.
|
Standards
|
ASTM / ASME,GB,DIN, JIS,T14975, etc
|
|
Steel Grade
|
200, 201B , 201H ,301, 303, TP304, TP304L/304L, 321 ,TP321, 316, TP316L, 316L, 316Ti,
|
|
Out Diameter
|
6mm to 2000mm or customized
|
|
Wall Thickness
|
0.5-220mm
|
|
Length
|
5.8m ,6m,or customized
|
|
Tolerance
|
Out diameter : +/-0.15mm ,Thickness: +/-11% of wall thicknessLength: +/-4.5mm - 0mm
|
|
Surface
|
Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4
|
|
MOQ
|
1 ton
|
|
Supply ability
|
3000 tons per month
|
|
Packing
|
3, bundles to be covered by polythene & strapped securely
|
|
Payment terms
|
T/T or L/C,TT 30% in advance ,70% balance after received B/L copy
|
|
Delivery terms
|
FOB CFR CIF EX Works DDU
|
|
Delivery time
|
Within 5-20 days after received the deposit or as client's requirements
|
Delivery&packing
Packaging: In wooded cases , pallets or according to clients' requirements
Shipping: Tianjin port, Shanghai port and the other main ports in China
Our service
FAQ
Q:Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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