ASTM A519 4135 4140 Alloy Mechanical Seamless Steel Tube for Machinery Industry

🔹 Basic Information

Type

Seamless

Technique

Cold Drawn

Material

Carbon Steel

Surface Treatment

Bare, Oiled

Shape

Round

Capacity

2000 Tons/Month

🔹 Product Description

ASTM A519 4135 4140 Alloy Mechanical Seamless Steel Tube

High-quality alloy mechanical tubing designed for the machinery industry, automobile, and engineering sectors.

Thickness: 4-890mm
Outer Diameter: 4-89mm
Length: Fixed or Random, based on requirements
Materials: St35, St37.4(10#), St45(20#), St55(35#), Ck45(45#), St52(16Mn), CH8Ni9Ti, 35Cr0
Applications: Automobile, motorcycle, engineering machinery, Jacks, electric tools, sports equipment

Style	Material	Standard	Application	Size
Alloy Steel Pipe	12Cr1MoV P22, T91, P91, P9, T9, WB36, 13CrMo44, Cr5Mo, 15CrMo	DIN17175, JISG3467, GB5310, ASTMA335/A213	Petroleum, Chemical, Electric power, boilers	16-824*2-100
Oiled Casing	J55, N80	API SPEC 5CT	Oil Well Tube, Coupling Pipe	60-630*1.53-40
Boiler Tube	20G, A106C, ST45.8/3	GB5310, ASTMA106, DIN17175	Heat resistant for high pressure	16-824*2-65
Precision Tube	St35, St37.4, St45, St52, 35Cr0	GB/T3639, DIN2391	Automotive, Jack, Electric tools	4-89

🔹 Detailed Photos

🔹 Packaging & Shipping

Black varnish or anti-corrosion oil (2PE, 3PE)
Plain, square cut or bevelled ends with caps
Hexagon or triangle bundles with steel strips
Customized marking as per requirement

Trade Terms: FOB, CIF, CFR

Delivery: 15-20 days after payment

🔹 Our Advantages

🔹 Company Profile

We are a professional trading company specializing in seamless steel pipe, oil casing/drill pipe, galvanized steel pipe, stainless steel pipe, and welded pipes (ERW/SSAW/LSAW). With long-term cooperation with several famous steel manufacturers, we offer competitive prices and high-quality products to give you an edge over competitors.

🔹 Frequently Asked Questions (FAQ)

What are the primary uses for these seamless steel tubes?

They are widely used in automobile parts, motorcycles, engineering machinery, hydraulic jacks, electric tools, and sports equipment.

What materials are available for the alloy steel pipes?

Materials include 12Cr1MoV, P22 (10CrMo910), T91, P91, P9, T9, WB36, 13CrMo44, Cr5Mo, and 15CrMo, among others.

What surface treatments do you provide?

We offer bare finish, oiled anti-corrosion coating, black varnish painting, as well as 2PE and 3PE surface treatments.

What is the typical delivery timeframe?

Products are generally shipped within 15 to 20 days after the receipt of payment or L/C at sight.

Do you support customized lengths for the tubes?

Yes, we provide fixed lengths (e.g., 5.8m, 6m, 12m) or random lengths ranging from 2m to 12m based on customer requirements.

What standards are followed for production?

Our products comply with international standards such as DIN17175, JISG3467, GB5310, API SPEC 5CT, and ASTM A335/A213.

ASTM A519 4135 4140 Alloy Mechanical Seamless Steel Tube for Machinery Industry

Product Description

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