The A213 Alloy Steel Seamless Tube offered by Jiangsu Cunrui Metal Products Co., Ltd. is manufactured according to ASTM A213 standard, ensuring consistent quality and reliability. These seamless tubes are made from premium alloy steel grades with excellent mechanical strength, corrosion resistance, and wear resistance. Each ASTM A213 Tube undergoes strict inspection and is supplied with mill test certificates, third-party inspection reports, and complete traceability of material composition.
With uniform microstructure, stable mechanical properties, and precision tolerance control, our A213 Seamless Tube is widely trusted in demanding industries where high-temperature and high-pressure performance are required.
Key Features & Advantages
High Strength & Durability – Outstanding tensile and yield strength for long service life.
Excellent Corrosion Resistance – Performs reliably in harsh environments.
Strict Standards Compliance – Produced according to ASTM, ASME, EN, and DIN requirements.
Precision Manufacturing – Smooth inner and outer surfaces with tight dimensional tolerance.
Full Certification – Mill test certificate (EN 10204 3.1), SGS, BV, or other third-party inspection available.
Applications
The ASTM A213 Tube is widely used in:
Power Generation – Boilers, superheaters, and heat exchangers.
Petrochemical Industry – Refineries, oil & gas processing units.
Automotive & Machinery – High-performance mechanical parts.
Construction & Infrastructure – Piping systems for high-pressure and high-temperature service.
Product Specifications & Technical Data
Basic Information
|
Item |
Value |
|
Standard |
ASTM A213 / ASME SA213 |
|
Material Grades |
T2, T11, T12, T22, T91, T92, etc. |
|
Outside Diameter (OD) |
6mm – 530mm |
|
Wall Thickness |
1mm – 80mm |
|
Length |
5.8m, 6m, 12m, or customized |
|
Surface Treatment |
Black painted, oiled, galvanized, pickled, or polished |
|
Tensile Strength |
415 – 585 MPa (depending on grade) |
|
Yield Strength |
≥ 205 MPa |
|
Hardness |
≤ 179 HB (for certain grades) |
|
Tolerance |
OD ±0.5%, Wall Thickness ±10% |
Chemical Composition
|
Grade |
T11 |
T22 |
T91 |
|
C (%) |
0.05–0.17 |
0.05–0.15 |
0.08–0.12 |
|
Mn (%) |
0.30–0.60 |
0.30–0.60 |
0.30–0.60 |
|
P (%) Max |
0.025 |
0.025 |
0.020 |
|
S (%) Max |
0.025 |
0.025 |
0.010 |
|
Si (%) |
0.50–1.00 |
0.50–1.00 |
0.20–0.50 |
|
Cr (%) |
1.00–1.50 |
1.90–2.60 |
8.00–9.50 |
|
Mo (%) |
0.44–0.65 |
0.87–1.13 |
0.85–1.05 |
|
Ni (%) Max |
0.40 |
0.40 |
0.40 |
|
V (%) |
- |
- |
0.18–0.25 |
|
Nb (%) |
- |
- |
0.06–0.10 |
|
N (%) |
- |
- |
0.030–0.070 |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we provide tailored solutions:
Customized sizes, lengths, and wall thicknesses.
Processing services including cutting, drilling, beveling, welding, and bending.
Multiple surface finishing options for different applications.
Flexible MOQ to support both trial orders and bulk projects.
Fast delivery and responsive technical support for urgent requirements.
Pricing & Delivery
Competitive Pricing – Factory-direct supply with bulk discounts.
Flexible Delivery Time – Ready stock for popular sizes, production lead time usually 7–20 days.
Global Shipping – Export packaging compliant with international standards to ensure safe delivery.
Our Strength
Advanced production equipment and large-scale manufacturing base.
Experienced engineering and technical team with international project expertise.
Certified by ISO, SGS, BV, and other quality management systems.
Strong export track record to Europe, Middle East, Southeast Asia, and America.
Service & Support
24/7 quick response to inquiries and technical consultations.
Free technical advice on material selection and application solutions.
Standard seaworthy packaging with protective layers.
Replacement or return guarantee for any proven quality issues.
Dedicated after-sales team to ensure smooth project execution.
FAQ
Q1: What standards do your A213 Seamless Tubes follow?
A: All products comply with ASTM A213 / ASME SA213 standards, and can meet EN/DIN requirements upon request.
Q2: Can you provide third-party inspection reports?
A: Yes, SGS, BV, TUV, and other independent testing are available.
Q3: Do you support customized sizes and processing?
A: Absolutely. Cutting, bending, beveling, and special sizes can be produced as per drawings.
Q4: What is your minimum order quantity (MOQ)?
A: We offer flexible MOQs; even small trial orders are acceptable.
Q5: How long is the delivery time?
A: Stock items can be shipped immediately. Production orders usually take 7–20 days depending on quantity.
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