Outer diameter: 0.5" (12.7mm),1" (25.4mm),1.5" (38.1mm),2" (50.8mm),3" (76.2mm)
Wall thickness: 0.035" (0.889mm),0.035" (0.889mm),0.049" (1.245mm),0.065" (1.651mm),0.120" (3.048mm)...
China seamless pipe for tunnels Manufacturers Factory Suppliers
Our company integrates the R&D, production, and sales of A106 A53 Seamless Steel Pipe, Seamless Steel Pipe, Astm A35 Seamless Steel Pipe , and is a high-tech enterprise. The core team of our company has many years of professional and technical background. At the same time, we have advanced high-precision automatic production equipment and independent laboratories, so the product quality is very reliable.We will continue to uphold our mission, respond to and solve user problems in real time, and be an excellent seamless pipe for tunnels supplier. Our efficient and streamlined processes ensure timely delivery of products and services. We're committed to providing superior value to our clients by offering high-quality products and services at affordable prices. We adhere to the principles of rigor and reliability, and with years of rich experience, we continuously develop new products. We have a team of passionate and innovative high-quality R&D personnel who strive for excellence in design, material selection, and process determination. We have a strong commitment to sustainability and are constantly striving to reduce our environmental impact. Win-win cooperation emphasizes getting along with partners in the process of foreign cooperation and establishing mutually beneficial and win-win strategic relations. Our products are packaged with care to ensure safe delivery.
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![Precision Pipe Aisi 4130]()
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![Black Phosphating Seamless High Precision Steel Pipe]()
Black Phosphating Seamless High Precision Steel PipeOuter diameter: 0.5" (12.7mm),1" (25.4mm),1.5" (38.1mm),2" (50.8mm),3" (76.2mm)read more
Wall thickness: 0.035" (0.889mm),0.035" (0.889mm),0.049" (1.245mm),0.065" (1.651mm),0.120" (3.048mm) -
![St52 Precision Seamless Steel Pipe]()
St52 Precision Seamless Steel Pipe1. Material: St52 (i.e. DIN1629, ST52, ASTM A106, GB/T8163 and other standards)read more
Outer diameter range: 6mm-530mm
Wall thickness range: 1mm-40mm
Length range: fixed length or... -
![DIN2391scm Precision Seamless Steel Pipe]()
DIN2391scm Precision Seamless Steel PipeOD(outer diameter):4-120mmread more
W.T(wall thickness):0.5-12mm
length:1-12m,According to the actual requirements of customers. -
![Precision Cold Rolled Q235 Carbon Steel Pipe]()
Precision Cold Rolled Q235 Carbon Steel PipeSteel grade: 301L,301,304,304L,405read more
OD(outer diameter):0.3mm-40mm
W.T(wall thickness):0.1mm-5mm
length: customizable
Section shape: circle -
![Precision Steel Tube 40Cr]()
Precision Steel Tube 40CrOD(outer diameter):6mm-114mmread more
W.T(wall thickness):1mm-14mm
length: 1m-12m
Steel type: 40Cr -
![ASTM-1020 Precision Tube]()
ASTM-1020 Precision TubeSteel grade:ASTM1020,1141read more
OD(outer diameter):3.18mm - 76.2mm
W.T(wall thickness):0.4mm - 12.5mm
length: According to the actual requirements of customers. -
![Precision CK45 Seamless Honed Tube]()
Precision CK45 Seamless Honed TubeSteel grade:K45,304, 4140/4135/4142read more
OD(outer diameter):25mm-427mm
W.T(wall thickness):1.5mm-24mm
length: According to the actual requirements of customers. -
![304 Precision Seamless Steel Pipe]()
304 Precision Seamless Steel PipeSteel grade: 301L,301,304,304L,405read more
OD(outer diameter):0.3mm-40mm
W.T(wall thickness):0.1mm-5mm
length: customizable
Section shape: circle -
![A106 A53 Seamless Steel Pipe]()
A106 A53 Seamless Steel PipeSteel grade:AISI 4135,ASTW 4140/4135/4142read more
OD(outer diameter):10mm-514mm
W.T(wall thickness):3mm-15mm
length: According to the actual requirements of customers. -
![Astm A35 Seamless Steel Pipe]()
Astm A35 Seamless Steel PipeSteel grade:Q195-Q235/st37/52read more
OD(outer diameter):60-720mm
W.T(wall thickness):1.24-60mm
length: 12m,6m -
![SCH 40 Seamless Pipe]()
SCH 40 Seamless PipeSteel grade:Q195-Q235/st37/52read more
OD(outer diameter):60-720mm
W.T(wall thickness):40mm.
Tolerance: ±5%
Bernadette Figueredo
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an
Jacqueline Ferguson
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
Harry Millender
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
Kayla Gibbs
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
Herbert Cox
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
Jack Finn
Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
With a good market service awareness and corporate reputation, we provide our customers with a complete range of Q235 Galvanized Angle Steel, Copper Alloy, Seamless Steel Pipe and good technical services. As one of the most professional seamless pipe for tunnels manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy seamless pipe for tunnels for sale here and get free samples from our factory. Also, customized service is available.