2Product Overview: Advanced Tubular Heat Exchanger for Demanding Industrial Applications
Our high-performance Tubular Heat Exchanger represents the pinnacle of thermal transfer technology, engineered for reliability, efficiency, and longevity in the most demanding industrial environments. Unlike standard shell and tube designs, our advanced tubular exchanger features a robust construction that excels in handling high pressures, high temperatures, viscous fluids, and fluids with suspended particulates. It is the ideal solution for a wide range of applications, from chemical processing and power generation to oil & gas production and waste heat recovery.
Built with a commitment to operational excellence, this heat exchanger is designed to maximize heat transfer coefficients while minimizing fouling and pressure drop, ensuring optimal process efficiency and reduced total cost of ownership.
We supply high-precision LL 610 tube blanks made of AISI 4130 (quenched and tempered) alloy steel, designed for industrial mechanical, pressure vessel and engineering applications with strict performance requirements.
Product Dimensional & Material Specifications
Core Drawing Parameters
Dimension
Value
Tolerance
Notes
Outer Diameter
ø602.8 mm
+0.3 / 0
Length
1080 mm
+0.5 / 0
Wall Thickness
13 mm
+0.2 / 0
Chamfer
4 mm × 20°
-
Sharp edges removed at C1
Hole Group 1
2 holes, ø21 mm
+0.2 / 0
Evenly distributed
Hole Group 2
2 holes, ø82 mm
+0.1 / 0
Evenly distributed
Datum A Runout
0.2 mm
-
Relative to inner bore
End Face Flatness
0.2 mm
-
Inner Bore Roughness
Ra 1.6
-
Unmarked Surfaces Roughness
Ra 3.2
-
Unmarked Tolerance
GB/T 1804-m
-
Unmarked Geometric Tolerance
GB/T 1184-k
-
Material Chemical Composition Requirements
(Unlisted chemical elements fully comply with ASTM A-519 standard)
Chemical Element
C
Mn
P
S
Si
Ni
Cr
Mo
Min (%)
0.28
0.40
-
-
0.15
-
0.80
0.15
Max (%)
0.33
0.60
0.04
0.04
0.35
-
1.10
0.25
Key Product Advantages
1. Premium Material & Process Compliance
Manufactured from seamless steel pipe fully conforming to ASTM A-519 / ASTM A-29 AISI 4130 standards
Smelted via electric furnace + converter + electroslag remelting process for excellent material uniformity and purity
AISI 4130 is a high-strength alloy steel widely used in gas cylinder, structural and pressure vessel applications, with balanced strength, toughness and weldability
2. Full Range of Steel Grades & Specifications
We provide a complete portfolio of seamless steel tubes for diverse industrial applications, covering multiple steel grades, size ranges and international standards:
Application
Key Steel Grades
Specification Range
Applicable Standards
Thermal Power Plant Boiler & Petrochemical Steel
20G, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, P11, P22, P91, P92, 16Mo3, etc.
Φ219 ~ 1270 × 8 ~ 150 mm
GB 5310, ASME/ASTM, EN
Structural Steel & Pipeline Steel
Q345B/C/D, 16Mn, 45#, 30CrMo, 4130, 4140, X52-X100, etc.
Φ219 ~ 1411 × 10 ~ 140 mm
GB, ASME/ASTM
Nuclear Power Steel
HD Series, P265GH, P280GH, P91, SA/A106B, etc.
Φ219 ~ 914 × 8 ~ 102 mm
GB 24512.1/2.2, RCC-M (EN/NF)
Gas Cylinder Steel
4130, 4130X, 4140, 4142, 4145, Grade J, etc.
Φ356 ~ 914 × 10 ~ 65 mm
ASTM A519, ASME 372
3. Precision Machining & Strict Quality Control
Strict dimensional tolerance control to ensure high-precision assembly and concentricity
AMS-STD-2154 AA grade ultrasonic testing for 100% internal defect detection
Quenched and tempered heat treatment to achieve HRC 30-32 hardness, balancing high strength and impact toughness
First article inspection required before mass production, ensuring 100% dimensional consistency for batch orders (153 pcs per batch)
4. Complete Documentation & After-sales Support
Full set of quality documents provided upon delivery: material certificates, heat treatment reports, ultrasonic test reports, hardness test results
Anti-rust oil coating applied for long-term storage and transportation protection, no surface scratches, dents or mechanical damage allowed
All sharp edges removed, ready for direct secondary processing
Application Scenarios
This AISI 4130 tube blank is widely used in:
High-load mechanical parts and engineering equipment
Pressure vessels and petrochemical equipment
Gas cylinder and high-pressure pipeline components
Thermal power, nuclear power and other energy industry equipment
CERTIFICATE
FAQ 1. Q: Are you a manufacturer or trading company?
A: We are a manufacturer with over thirty years experience in China.
2. Q: What's the information needed if I send one inquiry?
A : Please tell us the working conditions, mediums, temperature, pressure, equipment's material, size, quantity, and other special requests.
3. Q: How does your factory do quality control?
A: Quality is priority, we make relevant strict testing before delivery.
4. Q: Which countries you can ship the equipment to?
A : Russia, Iraq, New Zealand, etc...