Jiangsu Steel Group Co., Limited

Stainless steel manufacturer OEM & ODM

Q235

Inquiries : 4 - 2015-11-26 13:31:59

Mechanical properties ofgrade Q235

Technological propertiesof grade Q235

Hardness and heattreatment specification of grade Q235

Annealing  hardness
 HBS

Cold pull  hardness
 HBS

Preheating  temperature
 

Quenching temperature
 

Holding time
 min

Hardening medium

Temper  temperature
 

After tempering  hardness
 HRC

salt-bath furnace

controlled atmosphere furnace

235

262

788

1191

1204

515

air cooling

522

60

Steel plate/Sheet
 thickness / mm

b
 MPa

s
 /MPa


 Samples from the standard for 50 mm (2 in)

180 of cold  bending test

longitudinal

horizontal

Hot-rolled/Cold rolling:5 - 150

520

415

1618

2a

3.5a

Note:
 (1) listed in the table apex diameter (d), to steel thickness (a) multiples  said.
 (2) in the ASTM A6 standard specified scope can meet any additional  conditions.
 (3) from the standard for 50 mm (2 in).
Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength /  Mindestwert der oberen Streckgrenze / Limite delasticite minimale
Rm Tensile strength /  Zugfestigkeit / Resistance a la traction
A Minimum elongation /  Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test /  Kerbschlagbiegeversuch / Essai de flexion par choc

Q235 steel description:

Step Shaft: steelplate/sheet,coil,round bar,flat bar,tube/pipe,Profiled forgings

Q235 steel Specificationsor Size:

Roundbar:
Diameter : 1mm-2000mm

Squarebar:
Size: 50mm * 50mm-600mm *600mm

Platesteel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm

Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.

Cold-rolledsheet: Thickness: 2-5mm Width:1000mm Length: 2000mm

Hot-rolledsheet: Thickness:6-80mm Width: 210-610mm

Length: We can supply anylength based on the customer's requirement.

Forging/hot rolling/ extrusionof steel.

Forging:Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Finished goods condition: hotforging/hot rolling + annealing/normalizing + tempering/quenching +tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hotworking finish)/ground/rough machining/fine machining/based on the customer'srequirement

Furnaces for metallurgicalprocessing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100%ultrasonic inspection for any inperfections or based on the customer'srequirement.

UTS according to SEP 1921C/c,D/d,E/e;A388 or GB/T 6402