TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters

ASTM A210, ASME SA210 Seamless medium carbon steel boiler and superheater tubes
Applications: for Boilers,Superheaters,Steam linepipes of boilers
Size range: O.D.:12.7-127mm W.T.:1-15mm L: according to customer
requirement
Material A1 C.
Hydrostatic or Nondestruction Electric Test ( Eddy Current and Ultrasonic Testing)
Steel Grade and Chemical Compositions:
Grade | C | Mn | P | S | Si |
A-1 | ≤0.27 | ≤0.93 | ≤0.035 | ≤0.035 | ≥0.10 |
C | ≤0.35 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 |
Mechanical properties:
Grade | Yield Point Mpa(ksi) | Tensile Strength Mpa(ksi) | Elongation |
A-1 | ≥255(37) | ≥415(60) | ≥30% |
C | ≥275(40) | ≥485(70) | ≥30% |
Surface Condition:
Pickling or shot blasting, Passivated, Black Phosphating.
Tests and Inspection:
Flattening Test
Flaring Test
Hardness Test
Hydrostatic or Nondestruction Electric Test ( Eddy Current and
Ultrasonic Testing)
Reference Documents:
ASTM A450/A450M Specification for General Requirements for Carbon,
Ferritic Alloy, and Austenitic Alloy Steel Tubes
OD in(mm) | + | - | WT in(mm) | + | - |
<1''(25.4) | 0.10 | 0.10 | ≤1.1/2''(38.1) | 20% | 0 |
1''~1.1''(25.4~38.1) | 0.15 | 0.15 | >1.1/2''(38.2) | 22% | 0 |
>1.1/2''~<2''(38.1~50.8 | 0.20 | 0.20 | |||
2''~<2.1/2''(50.8~63.5) | 0.25 | 0.25 | |||
2.1/2''~<3''(63.5~76.2) | 0.30 | 0.30 | |||
3''~<4''(76.2~101.6) | 0.38 | 0.38 | |||
4''~<7.1/2''(101.6~190.5) | 0.38 | 0.64 | |||
>7.1/2~9''(190.5~228.6) | 0.38 | 1.14 |
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring
Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a
perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate
longitudinal and transversal defects.
A: A professional steel pipes materials inventor, manufacturer and solution provider
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
TORICH INTERNATIONAL LIMITED
Who We are ?
TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters
The main products produced are carbon steel and alloy steel grade seamless steel pipes, welded precision steel pipes, DOM steel pipes, seamless and welded stainless steel pipes。And our separate workshop also produce machined cast iron parts and cast steel parts, as well ad customized precision parts and difficult precision parts. Our strength is with in our ability to produce metal parts of higher quality control in an integrated process, from mapping and mould design, to casting, forging, machining, heat treatment, surface treatment, assembly and testing.
TORICH team is familiar with the quality requirements and process standards of precision partssteel tubes of leading industrial companies at home and abroad,and management level, and constantly looks for like-minded excellent suppliers, which enable us to reduce the have a comparative advantage over many of our competitors.
In the field of processing, TORICH has 18 sets 4-axis/3-axis CNC machines and over 30 sets of CNC lathers. The machining center is capable of machining 1100x600x800mm parts and the CNC lathes are capable of processing 550x1500mm parts. We specialize in machining stainless steel, alloy steel and other hard metals, as well as carbon steel, aluminium, and copper, with a dimensional accuracy of 0.01mm.
As of 2023, TORICH has perfectly cooperated with more than 50 countries, including Russia, India, Australia, the United Kingdom, France, the United States, Canada, Brazil, and Egypt. Quality and reputation are always our first concerns, with the aim of well serving every customer who trusts in us. TORICH looks forward to partnering with customers all over the world.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
CNC Stainless Steel Parts
CNC Aluminum Parts
CNC CopperParts
CNC Turning Parts
CNC Milling Parts
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries