スクエアチューブ製造機

Yield Strength Grade

Demotic Raw-material Grade

235

Q235B, Q235C, Q235D, Q235qC, Q235qD

345

Q345A, Q345B,Q345C,Q345D,Q345Qc, Q345Qd, StE355, B480GNQR

Yield Strength Grade

235

345

390

Ceq(%)

≤0.36

≤0.43

≤0.45

Note: In order to improve the performance of steel,390 could add the microelement such as V, Nb, Ti, Mo and N etc.

Yield Strength Grade

W.T

(mm)

Yield Strength

 (Mpa)

Tensile Strength (Mpa)

Elongation

(%)

(20°C) Impact Value J

235

4~12>12~22

≥235

≥375

≥23

≥27

345

4~12>12~22

≥345

≥470

≥21

≥27

390

4~12>12~22

≥390

≥490

≥19

≥27

Yield Strength Grade

Outside perimeter (mm)

Wall Thickness

(mm)

Yield Strength %

Directly to Square

Round to Square

235

≥800

12~22

≤80

≤90

345

390

≤85

≤90

Note: when the outer perimeter less than 800mm,can be determined by supply and buyer

Shape

Rectangular:20*30-600*800mm

Square:20*20-600*600 mm

Thickness

1.0-35 mm

Standard

GB/T3094-2000  GB/T6728-2002

ASTM A500 

JIS G 3466

DIN EN 10210

or according to customers` requirement.

Material

Q195,Q235,Q275,Q345                  

20#,45#                                

S235,S355

St33,St37,St52

A500,A513,A106

SS400 and so on.                               

Technique

Hot Rolled, Cold Rolled,

ERW, 

High-frequency welded, 

Extruded

Certification

ISO9001,CE

Surface

Bared, Oil, Galvanized, Paint

Length

6m, 12m, or according to customers` requirements

Usage

Machinery manufacture, 

Roads and Bridges,

Construction, 

Transportation

Port of Shipment

QingDao, China 

Main Market

America Asia  Africa  

Oceania  Mid East   
Domestic Market

Productivity

150000TONS/YEAR

In order to make best quotation, Please kindly indicate length, width, thickness and the standard,

 material you required.

Your success is our business