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GB/T 3639 Seamless Steel Tubes For Precision Application

$1

1000-1999
Kilogram
$0.9

≥2000
Kilogram

Payment Type:

L/C,T/T,D/P,D/A,Paypal

Incoterm:

FOB,DAF,DES,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery

Min. Order:

1 Kilogram

Transportation:

Ocean,Land

Port:

Shanghai,Ningbo

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: GB/T 3639

Brand: TORICH

Standard: Gb

Place Of Origin: China

Species: Seamless

Material: 300 Series, 10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020,

Certification: Iso

Weld Shape: Seamless

Tolerance: ±1%

Processing Service: Bending, Welding, Decoiling, Punching, Cutting, Moulding

Product Name: TORICH GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes

Keyword: Cold Rolled Steel Tubes

Type: Seamless Steel Tube

Surface: Oiled

Usage: Oil Pipe

Shape: Round

Length: 2-12m

OD: 10-110mm

WT: 1-8mm

Supply Ability & Additional Information

Packaging: in bundles or in wooden box

Productivity: 5000Tons per Year

Transportation: Ocean,Land

Place of Origin: zhejiang

Supply Ability: 5000Tons per Year

Certificate: ISO9001 ISO14001 TS16949

HS Code: 73065000

Port: Shanghai,Ningbo

Payment Type: L/C,T/T,D/P,D/A,Paypal

Incoterm: FOB,DAF,DES,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery

Packaging & Delivery

Selling Units:: Kilogram

Package Type:: in bundles or in wooden box

Picture Example:

GB/T 3639 Seamless Steel Tubes For Precision Application

Material and Specification

Material	GB/T 3639
Specification	Seamless

Chemical Composition

Element	Percentage
C (Carbon)	0.17-0.24%
Si (Silicon)	0.17-0.37%
Mn (Manganese)	0.35-0.65%
P (Phosphorus)	≤0.030%
S (Sulfur)	≤0.030%

Mechanical Properties

Property	Minimum Values
Tensile Strength (MPa)	590-835
Yield Strength (MPa)	≥440
Elongation (%)	≥10
Impact Absorption Energy (J)	≥39

Steel Grade

The steel grade for GB/T 3639 seamless steel tubes for precision application is:

10, 20, 35, 45, 16Mn, 20Cr, 40Cr, 30CrMo, 35CrMo, 42CrMo, etc.

Application

GB/T 3639 seamless steel tubes for precision application are widely used in various industries where precision is essential. These tubes are designed to withstand high precision requirements in applications such as:

Mechanical and automotive engineering
Precision machinery
Hydraulic and pneumatic cylinders
Textile machinery
Precision instrumentation

The seamless construction of these tubes ensures excellent dimensional accuracy and smooth internal surfaces, making them suitable for applications that demand high precision and reliability.