seamless square pipe,seamless hollow section,square hollow tube

Specification

Size

Wall Thickness

6*6mm—500*500mm

0.2mm-60mm

Length

1m-12m or according to your requirement

Standard and Material

ASTM, AISI, DIN, BS, EN     

A500,S355J0H,S355J2H,S355JRH,Q345(16Mn),Q235,

Surface

Zinc Coated (60-350g/m²), Black Painting, Varnish Painting, Color Painting …

Ends

Plain ends, Beveled ends, Socket/coupling and Threading, Plastic caps and so on

Packing

Water-proof plastic cloth, Woven bags, PVC package, Steel strips and so on

Application

Structural steel, Bridge, mechanical equipment, automobile components etc…

MOQ and Supply Capability

RAW square steel tube----------10MT----------------10000MT per mouth

 Low-alloy square tube-----------10MT---------------10000MT per mouth

Seamless square steel tube--------10MT-----------------5000MT per mouth

Remarks

1) Payment terms: T/T / L/C

2) Trade terms: FOB /CIF /CFR

3) Delivery time: According to the order quantity (at one lot)

4) Loading port: Tianjin

Contact Info.

T. +86-022-24238328

Mobile. +86-13821843512

Addition:

(1) Rectangular/square steel tube: the size from 30mm*50mm to 800mm*300mm, wall thickness from 2.5mm to30mm.

(2) Galvanized pipe: the outside diameter from 20mm to 219mm, wall thickness from 0.8mm to 12mm.

(3) Welded pipe: the outside diameter from 20mm to 800mm, wall thickness from 2.5mm to 30mm

Mechanical Property

Material Item   

304

304L

304

316L

Top Technology

Tensile Strength

≥520

≥485

≥520

≥485

Yield Strength

≥205

≥170

≥205

≥170

Extension

≥35%

≥35%

≥35%

≥35%

Hardness (HV)

<90

<90

<90

<90

Standards

1. ASTM:ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B; 
     ASTM A333; ASTM A334; ASTM A192; ASTM A210;

2. JIS: G3452;G3457; G3454; G3456; G3461; G3454; G3455; 
     STPG38; STPG38; STS38; STPT42; STB42; STS42; STS49; STPT49

3. DIN:ST33;ST38ST35;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3

4. API:APL 5LAPI 5CT ;API LINE PIPE and so on

5. we can also produce according to customer requirement

Usage Range

1. structral pipe

2. oil or gas transportation

3. fluid pipe

4. line pipe

5. drill pipe

6. boiler pipe

7. other uses we can produce according to customer requirement