4130 Chrome Moly Tube for Bicycle Parts

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Carbon Steel: GB/T 8162 & 8163 & 3639
• Outer Diameter: 10-120mm (0.4 Inch - 4.7 Inch)
• Wall Thickness: 1-20mm (0.04 Inch - 0.78 Inch)
• Length: Less Than 11.8m
• Tech: Cold Drawn / Cold Rolled
• Tolerance: ±0.15mm
• Transport Package: Sea Transportation
• Specification: Varnish, Plastic Caps, in Bundled, or Customized
• Trademark: Tenjan
• Origin: China
• HS Code: 7304319000
• Production Capacity: 50000 Ton/Year

Product Description

Product Details                                                     

Seamless Steel Pipe/Tube

--Precise custom outer diameter and inner diameter
--Tight tolerances, resulting in reduced machine time / Dimensional accuracy
--Smooth and Clean OD and ID surfaces
--Excellent machining characteristics
--Wider range of physical properties attainable through process and annealing options
 

Material:    Alloy Steel ASTM 4130,4135(30CrMo,35CrMo) 
Standard:  QB1880-2008 Front forks for Bike      
Tube Size:  Customization                               

Application     
Bicycle Rack and bicycle parts
                                                      

 

Packing & Delivery                                              

Packaging & Delivery
Packaging Details:
1. Small OD: In hexagonal bundle with steel strips 
2. Large OD: In bulk 
3. Wrapped in waterproof plastic woven bag 
4. Filled in wooden cases

5. As required
Delivery Detail:Shipped in 7-15 days after payment           
Certificate

About Tenjan 
Changzhou Tenjan Steel Tube Co., Ltd. was founded in 2004. The annual production capacity can reach 60,000 tons under years of development. We are a leading technical manufacturer in the seamless steel tube and rebar coupler industry. Tenjan's chairman, Wensheng Gu, already has 25-year experience in steel tube industry and is the major constitutor of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. 

Tenjan is specialized in custom production of high quality seamless steel tubes under international standards ASTM A519, ASTM A106, ASTM A500, ASME SA500, DIN2391, DIN1629, EN10305-1, DIN17121, EN10297-1, JIS3441, JIS3444 and JIS3445. We provide small batch customization service, especially for small and medium-size enterprises. Raw material, internal and external dimensional tolerances and consistency, internal and external surface roughness, straightness, mechanical properties, eccentricity, special shape, alloy steel, small-diameter thick-walled seamless steel tubes all can be customized. The production range for outer diameter is from 10 to 120mm and for wall thickness is from 1 to 20mm

 

Why choose Tenjan
(1) Large Scale Production,Strong R&D Capability

The annual production capacity can reach 60,000 tons under years of development. Every-year R&D investment and a team of technicians enable Tenjan with strong R&D capability. Tenjan has full system of production with advanced equipment, such as perforation, pickling, cold rolling, cold drawing, straightening, flaw detection, tensile test and machining.

 (2) Quality Control 

Every batch of products can be traced and guaranteed by the raw material certificate and steel tube quality certificate. Complete quality control system, following ISO9001, to ensure a full inspection process such as pull force test, chemical composition test and eddy current detection.

 (3) Certification

The chairman of Tenjan, Mr. Wensheng Gu, is one of the major constitutors of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. And Tenjan has won the Quality System Certificates of ISO9001 and IATF16949.

 (4) Major Customer Case

We have long-term relationship with customers such as BMW, MCC, CNNP, CRRC, Midea, Sinohydro, China Pingmei, China Academy of Building Research and so on.

 (5) Export Countries

Our products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total six continents over 20 countries, and which has been consistently trusted by customers.

 (6) Customer Service

Tenjan provides considerate service to every customer with fast feedback, quality track and technical support.