The ASTM A105 Carbon Steel Bar supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a high-quality forged bar manufactured according to international standards. This material is widely recognized for its excellent mechanical strength, wear resistance, and long-term stability under high pressure and temperature. Each bar is produced with precise chemical composition and tested according to ASTM A105 standard, ensuring reliability, durability, and full traceability with material certificates and third-party inspection reports.
Features & Advantages
Standard Compliance: Fully meets ASTM A105 specifications with guaranteed quality control.
High Strength & Stability: Maintains excellent yield strength and tensile strength, ideal for demanding environments.
Corrosion & Wear Resistance: Stable performance under pressure, suitable for long-term use.
Quality Assurance: Mill test certificates (MTC), chemical & mechanical reports, and third-party inspection are available.
Applications
ASTM A105 Bar is mainly used in:
Oil & gas industry (flanges, fittings, and valve components)
Petrochemical plants
Power generation equipment
Shipbuilding & offshore engineering
Heavy machinery and structural components
Its wide applicability makes it a cost-effective solution for industrial projects requiring both durability and compliance with global standards.
Product Specifications & Technical Data
Basic Information
|
Category |
Details |
|
Standard |
ASTM A105, ASME SA105 |
|
Material |
Carbon Steel (Forged) |
|
Available Shapes |
Round Bar, Square Bar, Hexagonal Bar |
|
Size Range |
Diameter: 6mm – 500mm (customized sizes available) |
|
Length |
3m – 12m, or as per customer requirement |
|
Surface Finish |
Black, Polished, Bright, Pickled, Machined |
Mechanical Properties
|
Property |
Details |
|
Tensile Strength (MPa) |
485 – 620 |
|
Yield Strength (MPa) |
≥ 250 |
|
Elongation (%) |
≥ 22 |
|
Reduction of Area (%) |
≥ 30 |
|
Hardness (HBW) |
170 – 207 |
|
Impact Test (optional) |
-20°C impact test available upon request |
Chemical Composition (% max, ASTM A105 standard)
|
Element |
Content (%) |
|
C |
0.35 max |
|
Mn |
0.60 – 1.05 |
|
P |
0.035 max |
|
S |
0.040 max |
|
Si |
0.10 – 0.35 |
|
Cu |
0.40 max |
|
Ni |
0.40 max |
|
Cr |
0.30 max |
|
Mo |
0.12 max |
|
V |
0.08 max |
Customization Services
Size & Shape: Non-standard dimensions can be customized.
Processing Options: Cutting, drilling, threading, welding, machining as per drawing.
Surface Treatment: Galvanizing, coating, polishing available.
MOQ Flexibility: Small orders accepted; bulk orders enjoy special pricing.
Material Options: Other grades and alloys can be provided upon request.
Pricing & Delivery
We offer competitive prices with bulk discounts for large-volume orders. Standard sizes are available from stock to ensure fast delivery, while customized orders are produced with a controlled lead time.
Our Strength
Factory Scale: Advanced production facilities and strict quality control system.
Export Experience: Over 15 years of supplying to more than 60 countries.
Certifications: ISO, CE, API, and other international qualifications.
Professional Team: Technical experts ensuring engineering support and reliable solutions.
Service & Support
Fast inquiry response within 12 hours.
Professional technical guidance for material selection and application.
Export-standard packaging to prevent damage during shipping.
Full after-sales service: replacement or refund for any verified quality issues.
FAQ
Q1: What is the main difference between ASTM A105 Carbon Steel Bar and other carbon steel bars?
A: ASTM A105 Bar is specifically designed for high-pressure piping components such as flanges and fittings, offering superior mechanical strength and compliance with strict international standards.
Q2: Do you provide mill test certificates and third-party inspection?
A: Yes, MTC and third-party reports (SGS/BV/TUV) are available.
Q3: Can you supply customized dimensions and surface treatment?
A: Absolutely. We support cutting, machining, galvanizing, and other custom processing.
Q4: What is your typical delivery time?
A: Stock items can be shipped immediately, while custom orders usually take 7–20 days depending on the quantity.
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