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

GOST 8734-75 Seamless Structural Steel Pipe and Steel Tubes
Cold-Formed 10 , 20 , 35 , 45 , 10Mn2 , 15Cr , 30CrMnSi
GOST 8734-75 Seamless Steel Tubes Cold-Formed
Outside Diameter: 5 – 140 mm
(5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22;
23; 24; 25; 26; 27; 28; 29; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48;
50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85;
89; 90; 95; 100; 102; 108; 110; 120; 130; 140)
Wall Thickness: 0,4 – 12 mm
(0,4; 0,5; 0,6; 0,8; 1; 1,2; 1,4; 1,5; 1,6; 1,8; 2; 2,2; 2,5; 2,8;
3; 3,2; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5; 9; 9,5; 10;
11; 12)
Tolerances:
OD:
D 5 – 10 mm: ± 0,15 mm
D 11 – 30 mm: ± 0,30 mm
D 32 – 50 mm: ± 0,40 mm
D 51 – 140 mm: ± 0,8%
WT:
S 0,4 – 1 mm: ± 0,12 mm
S 1,2 – 5 mm: ± 10%
S 5,5 – 12 mm: ± 8%
Notes:
1. Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi,
15CrMo acc. to GOST 1050-88, GOST 19281-89, GOST 4543-71. Others
steel grades are available subject to agreement.
2. Dimensions and tolerances acc. to GOST 8734-75.
3. Technical requirements acc. to GOST 8733-74.
4. Length from 1.5 to 11.5 m depending on diameter and wall
thickness.
Product Name | Seamless Cold Formed Steel Tube / Structural 2 Inch Steel Pipe
30CrMnSi |
Material | alloy steel |
Section Shape | Round |
Standard | GOST 8734-75, GOST 1050-88, GOST 19281-89, GOST 4543-71 |
Grade | 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo |
A: We are factory.
A: It is according to quantity. And usually is 35-50 days after receiving 30% T/T in advance.
A:
1.You are requested to pay for sample charges and courier charges
from China to your country; and the free sample is according the
product like size, steel grade and quantity, please consult our
sales for details
2.Sample charges will be refunded when order is placed.
A:
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sightTORICH 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