Steel Billet - Hot Rolled Carbon Steel Billets for Forging & Rolling

Technical Specifications of Steel Billet

Steel Billet - Hot Rolled Carbon Steel Billets for Forging & Rolling

Steel billet represents a fundamental semi-finished product in the steel manufacturing industry, serving as the essential raw material for subsequent rolling, forging, and forming operations. As a leading supplier of hot rolled carbon steel billets, we provide premium-grade material that meets stringent international standards for steel mills, forging plants, and manufacturers requiring reliable feedstock for wire rod production, rebar manufacturing, and structural section rolling. Our steel billets deliver consistent chemical composition, superior surface quality, and optimal dimensional accuracy to ensure seamless processing in your downstream operations.

What is Steel Billet?

Steel billet is a semi-finished casting product with a square or rectangular cross-section, typically measuring 100mm × 100mm to 200mm × 200mm, manufactured through continuous casting or ingot rolling processes. This intermediate steel form serves as the primary feedstock for rolling mills to produce wire rods, rebars, structural sections, and various long products through hot rolling operations.

Steel Billet Technical Specifications

Our steel billets are manufactured in compliance with ASTM A615/A615M-20 and GB/T 699-2015 standards, featuring carbon content ranging from 0.16% to 0.25% for low-carbon grades and 0.40% to 0.60% for medium-carbon variants. Standard dimensions include 120mm × 120mm, 130mm × 130mm, 150mm × 150mm, and 160mm × 160mm cross-sections, with lengths extending from 6 meters to 12 meters based on customer requirements. Tensile strength ranges from 370 MPa minimum for grade Q235 to 600 MPa for grade 45#, while yield strength specifications vary from 235 MPa to 355 MPa depending on the material grade.

Manufacturing Process and Quality Control

Our production facility employs advanced continuous casting technology with electromagnetic stirring systems to ensure uniform chemical distribution and minimize segregation defects. Each batch undergoes rigorous quality inspection including spectroscopic analysis per ASTM E415 for chemical composition verification, ultrasonic testing according to GB/T 6402 for internal soundness evaluation, and surface inspection to detect cracks, seams, or scale defects. The manufacturing process incorporates controlled cooling rates to achieve optimal microstructure, resulting in billets with excellent machinability and consistent mechanical properties throughout the cross-section.

Applications and Industry Uses

Steel billets find extensive application across multiple manufacturing sectors. Wire rod mills utilize billets ranging from 100mm to 130mm square sections to produce reinforcement bars, wire products, and fastener-grade wire through multi-stage rolling reduction. Forging operations prefer larger 150mm to 200mm billets for manufacturing automotive components, industrial shafts, and heavy machinery parts that require superior mechanical properties. Seamless pipe manufacturers employ round billets as starting material for rotary piercing processes, while structural steel fabricators convert billets into H-beams, I-beams, channels, and angles for construction applications.

Why Choose Our Steel Billet Supply

Our mill-direct supply chain eliminates intermediary markups, delivering factory-competitive pricing without compromising quality standards. We maintain extensive inventory across multiple grades including Q235, Q345, SAE 1045, and 42CrMo to ensure rapid fulfillment of urgent orders. Every shipment includes complete material test certificates per EN 10204 Type 3.1, providing full traceability with heat number identification, chemical analysis results, and mechanical property test data. Our technical support team offers metallurgical consultation to optimize material selection for your specific rolling or forging parameters.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard minimum order quantity is 25 metric tons per grade and size specification. For trial orders or small-volume requirements, we can accommodate reduced quantities starting from 10 tons with adjusted pricing. Mixed-container shipments combining different sizes are available to help customers meet MOQ thresholds while diversifying their inventory.

Do you provide material test certificates?

Yes, we supply comprehensive mill test certificates (MTC) conforming to EN 10204 Type 3.1 standards with every shipment. These certificates include complete chemical composition analysis performed via optical emission spectroscopy, tensile and yield strength test results, impact toughness values where applicable, and dimensional inspection reports. Additional third-party inspection by SGS, BV, or other recognized agencies can be arranged upon request.

What is the typical delivery time?

For standard grades and sizes maintained in our regular inventory, delivery time ranges from 15 to 20 days after order confirmation and deposit receipt. Custom specifications requiring special production runs typically require 30 to 35 days from order placement. We coordinate with reliable freight forwarders to optimize shipping schedules and provide real-time tracking information throughout the logistics process.

Can you cut to custom sizes?

Absolutely. Our processing facility is equipped with precision cutting equipment capable of producing billets to customer-specified lengths with tolerance of ±10mm. We can provide cut-to-length services for dimensions outside our standard 6-meter and 12-meter offerings, including shorter sections for container optimization or longer pieces up to 13 meters for specialized rolling applications. Custom cross-sectional dimensions can also be produced for orders exceeding 100 tons through our casting adjustment capabilities.

Get a Competitive Quote for Steel Billet

Contact our sales team today to receive a detailed quotation tailored to your specific requirements. Provide your desired grade specification, cross-sectional dimensions, length preferences, and estimated monthly volume to enable our experts to prepare a comprehensive proposal including current mill pricing, packaging options, and delivery terms. We offer flexible Incoterms including FOB, CFR, and CIF to accommodate your logistics preferences and ensure cost-effective procurement for your manufacturing operations.