We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
What Determines the Price of SCH 40 Seamless Steel Pipe?
The price of SCH 40 seamless steel pipe is not fixed by “Schedule 40” alone.
It is jointly determined by material grade, pipe size, production process, market supply and demand, logistics, and regulatory costs.
Key Factors Affecting SCH 40 Seamless Pipe Price
1. Raw Material Cost (Primary Driver)
Steel billet price is the core cost baseline for SCH 40 seamless pipes.
Any fluctuation in iron ore, coke, or alloy premiums is directly reflected in finished pipe pricing.
Every RMB 100/ton increase in billet cost typically leads to a similar increase in pipe price.
Alloying elements such as Cr and Mo significantly raise production cost.
Typical material price comparison:
Carbon steel: lowest cost, most widely used
Alloy steel: ~2–3× carbon steel
Stainless steel: ~4–8× carbon steel (high Ni & Cr content)
2. Pipe Size & Manufacturing Process
Larger diameter and thicker wall SCH 40 pipes cost more due to higher material usage and lower forming efficiency.
Key impacts:
Non-standard sizes (e.g., DN65, DN90): require customized rolling → 10–30% higher price
Small diameter pipes (< DN25): higher processing cost per ton
Large diameter pipes (> DN200): lower yield efficiency and higher tonnage cost
Fixed length (e.g., 12 m) pipes usually carry a price premium over random length
Process-related cost differences:
Hot-expanded seamless pipes: 10–15% higher cost than ordinary welded pipes due to better wall uniformity
Cold-rolled seamless pipes: equipment depreciation and energy consumption account for 20–30% of processing cost
3. Market Supply and Demand
SCH 40 seamless pipe prices rise during demand-intensive project cycles.
Typical demand drivers:
Energy infrastructure expansion
Chemical plant upgrades
High-pressure boiler and corrosion-resistant applications
Order volume effect:
~200 tons: ~2% negotiable discount
≥500 tons: additional 3–5% mill-level discount may apply
4. Logistics & Trade Policy
Transportation and trade policies can significantly alter final delivered cost.
Long-distance inland transport or sea freight increases unit price
Import tariffs and anti-dumping duties may raise prices by 20% or more in some regions
5. Surface Treatment & Certification Requirements
Additional technical requirements add cost beyond base pipe pricing.
Standard pickling or phosphating: minimal cost impact
Galvanizing, powder coating, or electrochemical polishing: significant cost increase
Certifications such as API 5L, PED, or nuclear-grade inspections introduce compliance premiums
Summary
SCH 40 seamless steel pipe pricing depends on material grade, pipe dimensions, production process, market demand, logistics, and certification requirements—not on Schedule 40 alone.
FAQ
Q1: Is SCH 40 a fixed price specification?
No. SCH 40 defines wall thickness, not material grade or manufacturing cost.
Q2: What is the biggest cost factor for SCH 40 seamless pipes?
Steel billet and alloying element prices are the primary cost drivers.
Q3: Do non-standard sizes cost more?
Yes. Custom sizes typically increase prices by 10–30%.
Q4: Why do alloy and stainless SCH 40 pipes cost much more?
Because Cr, Mo, and Ni significantly raise raw material and processing costs.
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