Cold Drawn Seamless Steel Tube
HEVO STEEL supplies cold-drawn seamless steel tubes for manufacturers who need controlled dimensions and a clearly specified delivery condition. Send the outside diameter, wall thickness, material and length you require. We can coordinate cutting, machining and surface treatment with the tube order, so you receive material prepared for your next operation.



Materials and Delivery Conditions
To ensure the quality and meet the demands of seamless steel tubes for HEVO STEEL, both material selection and adherence to recognized standards are critical.
By systematically addressing these factors and rigorously adhering to recognized standards, HEVO STEEL can ensure that its seamless steel tubes consistently meet both quality expectations and specific application demands.
Dimensional Range
| Parameter | Confirmed value |
|---|---|
| Outside diameter | |
| Wall thickness | |
| Comprimento |
Applicable Standards
GB/T3639, ASTM A106, ASTM A519, ASTM A179/A192, EN 10305-1, EN 10305-2, DIN 2391, JIS G3445, JIS G4051, GOST 8734, GOST 12132, etc.
Classes de aço
10#, 20#, 35#, 45#, Q355B, 25Mn, 16MnCr5, 20MnCr5, 30CrMo, 35CrMo, 42CrMo, 20Cr, 40Cr, E235, E255, E355, ST37, ST45, ST52, ND(09CrCuSb), ASTM A106 (Grades A, B, C), ASTM A53, ASTM A519 ( 1010, 1020, 1026, 1035, 1045), 4130, 4140, 34CrMo4, 42CrMo4, 25CrMo4, E215, E235, E355, STKM11A to STKM20A
Delivery Condition
Cold drawn/hard (+C) (BK)
Cold drawn/soft (+LC) (BKW)
Cold drawn and stress relieved (+SR) (BKS)
Annealed (+A) (GBK)
Normalized (+N) (NBK)
Quenched and Tempered (QT)
all in one company of seamless steel tube
HEVO STEEL combines its own production with partner-factory processing and supply. The manufacturing route, inspection requirements and included operations are defined for each order. Equipment and process examples illustrate the work involved; they do not mean every operation is performed in one facility.

Máquina de perfuração de tubos

Lavagem ácida, fosfatação, saponificação

máquina de trefilação a frio

máquina de laminação a frio

Forno de recozimento

Máquina de endireitamento com vários rolos

Máquina de endireitar pontas

Centro CNC

Máquina SRB | Máquina de afiar

Analisador de composição química

Máquina de teste de tração

Testador de dureza
APPLICATIONS OF SEAMLESS STEEL TUBE
HEVO STEEL’s seamless steel tubes are widely used in petroleum equipment, finned tubes, U-tube heat exchangers, hydraulic cylinders, automotive parts, bushings, and thrust rods.
Processing, Surface Treatment and Packing
HEVO STEEL can coordinate tube supply with specified cutting, threading, turning, milling, grinding, bending and surface treatment. Describe the required condition at delivery and the work your workshop will complete, so the quotation covers the correct processing and packing.

Corte no comprimento

polimento

aprimoramento

jateamento com granalha

Óleo antiferrugem

Zinc-based Surface Protection

painting & Marking

Steel pipe beveling

pipe plastic cap

Pacote de navegabilidade

Embalagem de madeira compensada

Caixa de madeira
Contact HEVO STEEL – Seamless Steel Tube Solutions
HEVO STEEL is a leading manufacturer of seamless steel tubes for industrial applications. We provide high-quality, precision-engineered tubing with customizable options to meet your project needs. Contact us for product details, pricing, or technical support.








