Name: Carbon Steel Round Billet
SKU: 0

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Carbon Steel Round Billet

Product Introduction

Plain Carbon Steel Round Billet

Specifications:

Grade: A36, SS400, Q235B, Q275, Q345B, S235JR, S275JR, S355JR, SM400, SM490, ASTM A36, ASTM A529, EN 10025 S235, EN 10025 S275, EN 10025 S355, JIS G3101 SS400, JIS G3192, etc.
Diameter: 100 mm – 300 mm
Length: 6 m – 12 m
Manufacturing Process: Continuous casting → Cutting → Cooling → Inspection
Surface Condition: As-cast or peeled surface
Applications: Rolling of round bars, wire rods, and rebar

Mechanical Properties:

Chemical Composition (%):

C	Mn	Si	P	S
≤0.22	0.30–0.70	≤0.35	≤0.045	≤0.050

High Strength Alloy Round Billet

Specifications:

Grade: Q345B, Q355B, Q355D, Q390B, Q420B, Q460C, A572 Gr.50, A572 Gr.60, A572 Gr.65, A913 Gr.50, A913 Gr.65, A992, ASTM A709 Gr.50, ASTM A709 Gr.50W, S420ML, S460ML, etc.
Diameter: 120 mm – 300 mm
Applications: Seamless pipe rolling, heavy-duty shafts, machinery parts

Mechanical Properties:

Tensile Strength	Yield Strength	Elongation
450–620 MPa	≥ 345 MPa	≥ 18%

Chemical Composition (%):

C	Mn	Si	P	S
≤0.20	1.00–1.60	≤0.50	≤0.035	≤0.035

Medium Carbon Steel Round Billet

Specifications:

Grade: 4140, 4340, 8620, 1215, 42CrMo4, 34CrNiMo6, 16MnCr5, S45C, SCM440, SNCM439, ASTM 4140, ASTM 4340, DIN 42CrMo4, DIN 34CrNiMo6, etc.
Diameter: 150 mm – 280 mm
Applications: Forging dies, shafts, gears, and automotive components

Chemical Composition (% SAE 1045):

C	Mn	Si	P	S
0.43–0.50	0.60–0.90	≤0.40	≤0.040	≤0.050

Product Real Shot

FAQ

Q1: What product information must I provide before making a purchase?

A: Please provide the material, size, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.