Calcium Silicon, Silicon Barium & Metal Calcium Price Update - Oct 9, 2026

Oct 9, 2026 | ZhenAn International Co., Limited

On October 9, 2026, the calcium silicon (CaSi), silicon barium (SiBa), and metal calcium markets exhibited complete price stability across all monitored grades and regions. Every entry in the three product groups recorded a "flat" change indicator, reflecting a market in equilibrium with no supply disruptions or demand surges to disturb the prevailing price structure.

Current Calcium Silicon, Silicon Barium & Metal Calcium Price

The following tables summarize prices for calcium silicon, silicon barium, and metal calcium products on October 9, 2026. All prices are quoted in CNY/ton, tax included unless otherwise noted.

National Standard Calcium Silicon (CNY/ton, tax included)

Silicon Barium (CNY/ton, ex-works tax included)

Metal Calcium Series (CNY/ton, tax included cash price)

Note: All prices reflect market transactions recorded on October 9, 2026. Calcium silicon and silicon barium prices are tax included; metal calcium prices are cash settlement, tax included.

Calcium Silicon, Silicon Barium & Metal Calcium Price Trend vs Previous

On October 9, 2026, every monitored grade across calcium silicon, silicon barium, and metal calcium segments showed no price change from the previous session. National Standard Ca1 remained at 9700-9800 CNY/ton across Shaanxi, Ningxia, and Inner Mongolia. National Standard Ca2 held at 9600-9700 CNY/ton in the same three regions. The lower-specification Ca28Si55 and Ca28Si50 grades from Henan also held at 8800-8900 CNY/ton and 7800-7900 CNY/ton, respectively.

In the silicon barium category, all ten monitored entries recorded flat changes. Si50-55Ba30 ranged from 7100-7200 CNY/ton (Gansu) to 7200-7400 CNY/ton (Inner Mongolia). Si65-75Ba4-6 held at 6200-6300 CNY/ton in both Qinghai and Ningxia. Si68Ba4-6 in Inner Mongolia stayed at 6200-6500 CNY/ton. Smelting inoculant grades Si≥68Ba4-6 in 1-3/3-8mm sizing held at 6800-6900 CNY/ton (Inner Mongolia, Ningxia) and 7000-7100 CNY/ton (Jiangsu, Shaanxi).

Metal calcium prices were equally stable. Crude calcium metal in Shanxi held at 20800-20900 CNY/ton. Calcium metal wire in Henan remained at 24000-24200 CNY/ton, and calcium metal granules in Henan stayed at 23500-23700 CNY/ton.

This universal price stability suggests that producers in Shaanxi, Ningxia, Inner Mongolia, Henan, Gansu, Qinghai, Shanxi, and Jiangsu are operating at rates that match current demand, with no significant inventory pressures or raw material cost shocks disrupting the market.

Grade and Market Context

Calcium silicon (CaSi) is a composite ferroalloy containing calcium and silicon, widely used as a deoxidizer and desulfurizer in steelmaking. The calcium component provides strong deoxidizing power and modifies sulfide inclusions into globular forms that improve steel ductility and machinability. The silicon component contributes additional deoxidizing capacity and acts as a heating element in the ladle.

The National Standard Ca1 and Ca2 grades are differentiated primarily by their calcium content, with Ca1 containing a higher calcium percentage than Ca2. Both grades are produced via submerged arc furnace smelting of lime, quartz, and coke. The regional concentration of production in Shaanxi, Ningxia, and Inner Mongolia reflects the availability of low-cost electricity and access to raw materials in these western and northern provinces.

Silicon barium (SiBa) is an inoculant and nodularizer used in cast iron production. Barium enhances the inoculating effect of silicon, prolonging the effective inoculation time and improving graphite morphology in gray and ductile iron castings. The various SiBa grades reflect different silicon-to-barium ratios and particle size distributions optimized for different casting processes - from cupola furnace inoculation to ladle inoculation to stream inoculation.

Metal calcium, in its crude, wire, and granular forms, serves metallurgical applications where pure calcium addition is required. Calcium wire is injected into molten steel for deep desulfurization and inclusion modification. Calcium granules are used in similar applications where wire injection equipment is not available. Crude calcium metal is the starting material for producing these downstream forms.

National Standard Ca1 vs Ca2: Choosing the Right Calcium Silicon Grade

For steelmakers selecting between Ca1 and Ca2 calcium silicon, the decision hinges on the target calcium addition rate, steel grade requirements, and cost efficiency.

Ca1 is the preferred choice when maximum deoxidation efficiency and sulfur control are required, such as in the production of high-cleanliness steels for automotive exposed panels, bearing steels, and tire cord grades. The higher calcium content means less total alloy is needed to achieve the same calcium yield, partially offsetting the modest price premium over Ca2. Ca2 offers a cost-effective solution for general structural steels and applications where extreme cleanliness is not the primary concern. The 100 CNY/ton price gap between Ca1 and Ca2 is relatively narrow, making the grade choice primarily a technical rather than an economic decision for most buyers.

What Buyers Should Check Before Ordering CaSi, SiBa, or Metal Calcium

1. Confirm the calcium and silicon specification - Verify whether your process requires National Standard Ca1, Ca2, or a custom Ca28Si55/Ca28Si50 blend. 2. Specify particle size or wire diameter - CaSi is available in lump, powder, and cored wire forms; SiBa inoculants come in multiple size fractions; match the form to your charging method. 3. Check the barium content for SiBa grades - Higher barium content (Ba30) provides stronger inoculation effect but at higher cost; lower barium grades (Ba4-6, Ba2-3) suit less demanding applications. 4. Verify the calcium wire injection compatibility - Calcium wire diameter and sheath material must match your wire feeding equipment specifications. 5. Assess regional supply reliability - Production in Shaanxi, Ningxia, and Inner Mongolia may be affected by seasonal power rationing or environmental compliance inspections. 6. Request inclusion morphology data - For critical steel grades, ask your supplier for reference micrographs showing the sulfide inclusion shape after CaSi treatment.

FAQ

What is the main function of calcium silicon in steelmaking?

Calcium silicon serves as a powerful composite deoxidizer and desulfurizer in steel ladle metallurgy. The calcium component has a stronger affinity for oxygen and sulfur than aluminum or silicon alone, enabling it to reduce dissolved oxygen to very low levels and transform manganese sulfide inclusions into calcium-aluminate or calcium sulfide inclusions with lower melting points and more globular shapes. These globular inclusions are less harmful to steel ductility and fatigue resistance, making CaSi treatment essential for high-performance steel grades.

How does silicon barium improve cast iron quality?

Silicon barium acts as an inoculant in cast iron production, promoting the formation of fine, well-distributed graphite flakes (in gray iron) or graphite nodules (in ductile iron). The barium component extends the duration of the inoculation effect, preventing fade - the gradual loss of inoculating potency that occurs between treatment and solidification. This extended effective time is particularly valuable in large castings or processes with extended pour times, where standard ferrosilicon inoculants may lose effectiveness before the metal solidifies.

What is the difference between calcium metal wire and calcium metal granules?

Calcium metal wire consists of a calcium core encased in a steel sheath, designed for injection into molten steel via wire feeding equipment. The steel sheath protects the reactive calcium from premature oxidation during passage through the slag layer and delivers the calcium deep into the molten metal bath. Calcium metal granules are small chunks of pure or nearly pure calcium metal, added to the ladle or tundish for similar metallurgical effects but without requiring wire injection equipment. Wire injection provides more precise control and higher calcium recovery rates; granular addition is simpler but less efficient.

Why are calcium silicon prices higher in Henan for Ca28Si55 and Ca28Si50 grades?

The Ca28Si55 and Ca28Si50 grades from Henan are lower-calcium, lower-silicon blends compared to National Standard Ca1 and Ca2. Their pricing at 8800-8900 CNY/ton and 7800-7900 CNY/ton reflects different production economics and possibly different raw material sourcing compared to the western producers. These custom grades are typically produced for specific customer requirements or regional market preferences rather than as standard commodity products.

For detailed inquiries about calcium silicon grades, silicon barium inoculants, or metal calcium products, please contact our sales team.

Do you offer sample quantities or trial orders for calcium silicon and silicon barium?

Yes, sample quantities and trial orders are commonly available for calcium silicon and silicon barium products, particularly for buyers evaluating a new supplier or validating product performance in their specific process. Sample sizes typically range from 5 to 25 kilograms, sufficient for laboratory analysis or small-scale melt trials. For trial production runs, suppliers may offer one-ton mini-bulk quantities at negotiated terms. Buyers requesting samples should specify the target grade, particle size, and intended application so the supplier can provide representative material. Sample availability and terms vary by product and supplier; some may charge for samples and freight, while others offset sample costs against subsequent bulk orders.

What HS codes apply to calcium silicon, silicon barium, and metal calcium for customs clearance?

Calcium silicon is typically classified under HS code 7202.99, which covers other ferroalloys, though exact classification may vary by customs authority depending on calcium and silicon content. Silicon barium inoculant generally falls under HS code 7202.99 or 3824.99 if classified as a prepared additive for foundry use rather than a ferroalloy. Metal calcium and calcium wire are usually classified under HS code 2805.12 as alkaline earth metals. Buyers should verify the precise HS code with their customs broker or local customs office before import, as tariff rates, duty exemptions, and regulatory requirements differ by jurisdiction. Providing a detailed product specification sheet helps customs authorities assign the correct classification.

Key Takeaways

• All calcium silicon, silicon barium, and metal calcium prices were unchanged on October 9, 2026.
• National Standard Ca1 held at 9700-9800 CNY/ton; Ca2 at 9600-9700 CNY/ton across Shaanxi, Ningxia, and Inner Mongolia.
• Silicon barium grades ranged from 6200-6500 CNY/ton depending on Ba content and region.
• Metal calcium wire held at 24000-24200 CNY/ton; granules at 23500-23700 CNY/ton in Henan.
• Ca1 suits high-cleanliness steels; Ca2 offers a cost-effective option for general applications.

Get Your Tailored Quotation

ZhenAn International Co., Limited supplies calcium silicon, silicon barium inoculants, and metal calcium products for steelmaking and foundry applications worldwide. Whether you need standard National Standard grades, custom blends, or specific particle sizes, we can source the right product at competitive prices. Send us your specification and volume requirements for a prompt, tailored quotation.

WhatsApp: +86 15518824805 | market@zanewmetal.com

Related Reading

• Silicon Calcium Products
• Introduction of Silicon Calcium (CaSi)
• Silicon Barium Products