Precision-engineered Seamless Steel Tube

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.

High-quality seamless steel tube from HEVO STEEL, used in industrial applications
Four thick-walled round tube sections with open ends and walls visible.
Seamless steel pipes by HEVO STEEL, stacked for shipment to construction sites
Specifications

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

ParameterConfirmed value
Outside diameter
Wall thickness
Length

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.

Steel Grades

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)

Specifications

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.

Discover more details…
Pipe piercing machine for seamless steel tube manufacturing by HEVO STEEL LLC

Pipe piercing machine

Acid washing, Phosphating treatment , Saponification process for cleaning steel tubes at HEVO STEEL LLC

Acid washing, phosphating, saponification

Chain cold drawing machine for seamless steel tube production by HEVO STEEL LLC

cold drawn machine

Cold rolling machine forming seamless steel tubes at HEVO STEEL LLC

cold rolling machine

Annealing furnace for heat treating steel tubes at HEVO STEEL LLC

Annealing furnace

Multi-roller straightening machine aligning steel tubes at HEVO STEEL LLC

Multi-roller straightening machine

Point straightening machine for correcting tube alignment at HEVO STEEL LLC

Point straightening machine

CNC machining center processing seamless steel tubes at HEVO STEEL LLC

CNC Center

SRB and honing machine finishing internal surfaces of steel tubes at HEVO STEEL LLC

SRB Machine | Honing Machine

Chemical composition analyzer testing steel tube samples at HEVO STEEL LLC

Chemical composition analyzer

Tensile testing machine measuring steel tube strength at HEVO STEEL LLC

Tensile testing machine

Hardness tester measuring the surface hardness of seamless steel tubes at HEVO STEEL LLC

Hardness Tester

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.

Value Added Services
Round tube positioned at a saw blade on a chain feed bed.

Cutting to length

Polishing seamless steel tubes for a smooth finish at HEVO STEEL

polishing

Close view of two open tube ends and their reflective internal surfaces.

honing

Shot blasting seamless steel tubes for surface cleaning at HEVO STEEL

shot blasting

Applying anti-rust oil to seamless steel tubes at HEVO STEEL

Anti-rust oil

Galvanizing and Dacromet coating of seamless steel tubes at HEVO STEEL

Zinc-based Surface Protection

Painting and marking seamless steel tubes at HEVO STEEL

painting & Marking

Beveling ends of seamless steel tubes at HEVO STEEL

Steel pipe beveling

Round tube ends with blue annular edge protectors; some tube ends remain uncovered.

pipe plastic cap

Seaworthy packaging of seamless steel tubes at HEVO STEEL

Seaworthy Package

Plywood packaging for seamless steel tubes at HEVO STEEL

Plywood packaging

Wooden box packaging for seamless steel tubes at HEVO STEEL

Wooden box

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.

Discuss the intended component and downstream operations with HEVO STEEL. We supply tube material for automotive parts, hydraulic components, boiler and heat-exchanger applications, door systems and textile machinery, with requirements confirmed for each order.

Send the outside diameter, wall thickness, length and non-stainless material grade you require. HEVO STEEL will review the combination and any cutting, machining or surface treatment before confirming availability.

Specify the product standard and the material, dimensional and inspection records required for your order. HEVO STEEL will confirm the applicable inspection scope and available documentation. A quality-management standard is not a substitute for a product specification.

Enquiry