ASTM A210 Boiler Tube - Mill Direct Steel Supplier | Kuaima Steel Group

Kuaima Steel Co., Ltd.

Verified Custom manufacturer · 7 yrs ·

China

Customizable Rock-bottom price

$780 1-49 ton Base price

$746 50-99 ton 4.4% off

$729 ≥100 ton 6.5% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 780.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of ASTM A210 Boiler Tube

Property	Parameter	Description
Product Name	ASTM A210 Boiler Tube	Seamless medium-carbon steel boiler and superheater tubes
Material Grade	ASTM A210 Grade A-1 / Grade C	Equivalent to EN 10216-2 16Mo3, JIS G3461 STB410, GB 3087 20G
Standard Compliance	ASTM A210 / ASME SA210	Standard specification for seamless medium-carbon steel boiler and superheater tubes
Carbon (C)	≤ 0.27% (Gr. A-1) / ≤ 0.35% (Gr. C)	Per ASTM A210 chemical composition requirements
Manganese (Mn)	≥ 0.93% (Gr. A-1) / 0.29–1.06% (Gr. C)	Ensures strength and hardenability
Phosphorus (P)	≤ 0.035%	Controlled to minimize brittleness
Sulfur (S)	≤ 0.035%	Controlled to improve weldability and ductility
Silicon (Si)	≥ 0.10%	Acts as deoxidizer for improved steel quality
Tensile Strength	≥ 415 MPa (60 ksi)	Minimum value per ASTM A210 for all grades
Yield Strength	≥ 255 MPa (37 ksi)	Minimum yield point per ASTM A210 specification
Elongation	≥ 30% (in 50 mm gauge length)	Longitudinal test specimen, varies with wall thickness
Outer Diameter (OD)	15.9 mm – 127 mm (5/8'' – 5'')	Custom sizes available upon request
Wall Thickness (WT)	1.5 mm – 15 mm	Various schedules: SCH 40, SCH 80, SCH 160, etc.
Length	5,000 mm – 18,000 mm	Random length, fixed length, or cut-to-length available
Surface Finish	Black painted / Oiled / Varnished	Hot-finished or cold-drawn seamless with smooth internal surface
Application	Boilers, superheaters, heat exchangers, power plants	Suitable for high-pressure and high-temperature steam service
Certification	ISO 9001, PED 2014/68/EU, EN 10204 3.1/3.2	Mill test certificate with full chemical and mechanical data
Packaging	Bundled with steel strips, plastic caps on ends	Seaworthy packaging with marking tags for export shipment

ASTM A210 Boiler Tube - Mill Direct Steel Supplier | Kuaima Steel Group

ASTM A210 boiler tube is a medium-carbon steel seamless tube engineered for high-pressure service in boilers, superheaters, and heat exchangers. As a mill-direct supplier with over 15 years of experience in energy-sector steel products, Kuaima Steel Group delivers ASTM A210 Grade A-1 and Grade C tubes with full traceability, competitive mill-direct rates, and reliable global logistics. Whether you are sourcing for power plant construction, industrial boiler maintenance, or petrochemical heat recovery systems, our inventory and custom manufacturing capabilities ensure you receive the exact specifications your project demands.

What Is ASTM A210 Boiler Tube?

ASTM A210 is a standard specification covering seamless medium-carbon steel boiler and superheater tubes. This specification falls under the ASME SA-210 equivalent and is designed for high-pressure, high-temperature fluid conveyance in thermal power generation and industrial steam systems. The standard includes two primary grades — Grade A-1 (lower carbon content for improved weldability) and Grade C (higher strength for demanding service conditions). These tubes are manufactured through a hot-finished or cold-drawn seamless process, ensuring a uniform grain structure free from weld seam vulnerabilities.

ASTM A210 Boiler Tube Technical Specifications

Below are the key mechanical and chemical properties per ASTM A210 / ASME SA-210:

Property	Grade A-1	Grade C
Tensile Strength (min)	415 MPa (60 ksi)	485 MPa (70 ksi)
Yield Strength (min)	255 MPa (37 ksi)	275 MPa (40 ksi)
Elongation (min, 50mm gauge)	30%	30%
Carbon Content (max)	0.27%	0.35%
Manganese Content	0.93% max	0.29–1.06%
Phosphorus (max)	0.035%	0.035%
Sulfur (max)	0.035%	0.035%

Dimensional Range: Outside diameter from 15.88 mm to 114.3 mm (5/8" to 4-1/2"), with wall thickness ranging from 1.65 mm to 13.0 mm per customer specification. Standard lengths of 5–12 meters are available, with custom cut-to-length options.

ASTM A210 boiler tube supplier

Testing & Inspection: Each lot undergoes hydrostatic testing at pressures calculated per ASTM A450 requirements, flattening tests, flaring tests, and hardness verification. Non-destructive examination (NDE) via ultrasonic or eddy current testing is available upon request.

ASTM A210 boiler tube manufacturer

Key Applications of ASTM A210 Seamless Boiler Tubes

ASTM A210 tubes serve critical roles in industries where reliable performance under sustained thermal and pressure stress is non-negotiable:

Thermal Power Plants: Water-wall tubes, economizer tubes, and superheater sections operating at pressures up to 17.5 MPa and temperatures reaching 540°C.
Industrial Boilers: Fire-tube and water-tube boiler systems for manufacturing, food processing, and district heating facilities.
Petrochemical Heat Exchangers: Process heaters and waste heat recovery units requiring consistent thermal conductivity and pressure integrity.
Co-generation & Biomass Plants: Tube bundles in combined heat and power systems with demanding cycling conditions.

Frequently Asked Questions

What is the MOQ?

Our minimum order quantity for ASTM A210 boiler tubes is typically 1 metric ton for standard sizes. For non-standard dimensions or custom wall thicknesses, a 3–5 ton minimum may apply depending on mill scheduling.

Do you provide material test certificates?

Yes. Every shipment includes EN 10204 Type 3.1 Mill Test Certificates (MTC) documenting chemical composition, mechanical properties, hydrostatic test results, and dimensional inspection data. Third-party inspection by SGS, TÜV, or BV can be arranged upon request.

What is the typical delivery time?

Standard stock sizes ship within 7–15 business days. Custom-manufactured orders, including non-standard OD/WT combinations or additional NDE requirements, typically require 25–40 days from order confirmation.

ASTM A210 boiler tube factory

Can you cut to custom sizes?

Absolutely. We offer precision cut-to-length services with tolerances of ±3 mm, along with beveled ends, threaded ends, or plain ends per your project specifications. Bundling, marking, and packaging are customized to meet international shipping and site-handling requirements.

Get a Competitive Quote for ASTM A210 Boiler Tube

Kuaima Steel Group supplies premium-grade ASTM A210 seamless boiler tubes at cost-effective mill-direct rates with full documentation and global delivery. Contact our technical sales team today with your required grade, dimensions, quantity, and delivery destination — we will respond with a detailed quotation within 24 hours. Partner with a supplier that understands the critical demands of boiler-grade steel and delivers on every specification.

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Brian Caldwell

United States

2025-01-28

Initial Shipping Delay Resolved — Product Quality Was Fine

Ordered 6 tons of A210 Grade C, 76.2mm x 6.35mm WT, for a heat exchanger project. The tubes themselves met all ASTM requirements — no complaints on material quality or documentation. However, the original delivery was delayed by about 10 days beyond the quoted lead time due to a mill scheduling issue. Kuaima's team communicated the delay proactively and offered a small discount on the next order to compensate, which we appreciated. Product was good once it arrived, so we'd order again with a longer planning buffer.

Tom Richardson

United Kingdom

2025-02-28

Solid Product at a Competitive Price — Communication Could Be Slightly Faster

Purchased 5 MT of ASTM A210 Grade A-1, 31.75mm OD x 2.77mm WT, for an industrial boiler tube replacement at a food processing facility. Tubes arrived in good condition, properly marked and bundled. MTC documentation was complete and accurate. Price was very competitive compared to European stockholders. Only minor note — response time on a few technical queries took 48 hours rather than the 24 hours mentioned. Not a dealbreaker, and the final product delivered exactly to spec.

David Kowalski

United States

2025-05-04

Good Value for a Large Power Plant Order — Minor Packaging Issue

Ordered 30 tons of SA-210 Gr. A-1 tubes for a water-wall replacement at a coal-fired plant in Ohio. Specs were 57.15mm OD x 5.08mm WT in 9-meter lengths. Product quality was solid — all mechanical test results exceeded minimum requirements. Pricing was about 12% below domestic mill quotes for equivalent material. One container had some loose bundling straps on arrival, but no tube damage. Would rate 5 stars if packaging was tighter. Still a very good supplier overall.