Payment Terms | L/C, T/T |
Supply Ability | 5000Ton Per Month |
Delivery Time | 20-50Days |
Packaging Details | Standard Packing, According to Customer Requirements |
Name | Cold Drawn Seamless Steel Pipe |
Thickness | 2.5MM-40MM |
OD | 16MM-219MM |
Payment | T/T,LC |
Length | 5M-9M |
Tolerance | ±10% |
Keyword | Seamless Steel Pipe |
Type | Seamless |
Technique | Cold Drawn |
Material | Q195/Q215/Q235/Q345 |
Surface treatment | Annealing |
Brand Name | Hui Yuan |
Model Number | ASTM |
Certification | ISO |
Place of Origin | China |
View Detail Information
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Product Specification
Payment Terms | L/C, T/T | Supply Ability | 5000Ton Per Month |
Delivery Time | 20-50Days | Packaging Details | Standard Packing, According to Customer Requirements |
Name | Cold Drawn Seamless Steel Pipe | Thickness | 2.5MM-40MM |
OD | 16MM-219MM | Payment | T/T,LC |
Length | 5M-9M | Tolerance | ±10% |
Keyword | Seamless Steel Pipe | Type | Seamless |
Technique | Cold Drawn | Material | Q195/Q215/Q235/Q345 |
Surface treatment | Annealing | Brand Name | Hui Yuan |
Model Number | ASTM | Certification | ISO |
Place of Origin | China | ||
High Light | Q235 Cold Drawn Seamless Steel Pipe ,Cold Drawn Seamless Steel Pipe SS400B ,ST42 seamless drawn tube |
Standards: DIN1626
Material Grade: 20# ST42 (Q235) SS400B S235JR
Size(mm):
ID :16MM-219MM
WT:2.5MM-40MM
Cold Drawn Steel Pipe is a steel pipe without seams on the surface of the entire steel pipe produced by drawing, extrusion, perforation, etc. It is a round, square and rectangular steel with a hollow section and no joints around it. It is made of steel ingots or solid tube blanks through perforation to make capillaries, and then cold drawn.
Delivery Conditions
BK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Size Deviation
Deviation level | Standardized Outer Diameter Tolerance |
D1 | ±1.5%. Minimum±0.75 mm |
D2 | ±1.0%. Minimum±0.50 mm |
D3 | ±0.75%. Minimum±0.30 mm |
D4 | ±0.50%. Minimum±0.10 mm |
Mechanical Propety:
Material: ST42,Q235,S235JR,SS400B
STANDARD: DIN1626
Delivery condition | Cold Finished(hard)(BK) | Cold Drawn and Stress Relieved(BK+A) | |||
STEEL GRADE | Rm MPa | Elongation (%) | Rm MPa | ReH MPa | Elongation (%) |
Q235 | ≥550 | ≥ 8 | ≥ 520 | ≥ 375 | ≥ 15 |
Production Process
Different processing methods and corresponding auxiliary procedures are selected according to the processing performance of the metal, the size of the pipe, the quality requirements, and the investment and benefits. The basic processes of cold-rolled and cold-drawn pipes are:
(1) pipe material supply, the pipe materials used are hot-rolled finished pipes or semi-finished pipes, extruded pipes and welded pipes;
(2) pipe material preparation, including inspection, bundling, acid Washing, cleaning, rinsing, neutralizing, drying, lubricating, etc.;
(3) Cold working (cold rolling or cold drawing);
(4) Finishing of finished products includes heat treatment of finished products, straightening, sampling, cutting heads and tails, inspection ( Manual inspection and various flaw detection), hydraulic test, oiling, packaging, storage, etc. Different products have different finishing contents.
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Over the years, we have worked hard to promote and realize the modernization of seamless steel pipes' sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of the original business site, facilities and equipment, and mo... Over the years, we have worked hard to promote and realize the modernization of seamless steel pipes' sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of the original business site, facilities and equipment, and mo...
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