QSTE700TM

QSTE700TM steel for automobile beams have high strength and good bending performance, which is suitable for beam parts.

QSTE700TM steel Chemical composition %

Grade

C

Si

Mn

p

S

Al

Nb

V

Ti

Mo

QSTE700TM

≤0.10

≤0..50

≤2.10

≤0.025

≤0.010

≥0.015

≤0.09

≤0.20

≤0.15

≤0.50

Remarks : Nb + V + Ti ≤0.22%

QSTE700TM steel sheet/plate Mechanical Properties

Grade

Yield strength
(MPa)

Tensile strength
(MPa)

Elongation (%)

180 degree cold bend, diameter

Thickness＜3mm
Lo=80mm, b=20mm

Thickness≥3mm
L0=5.65√S0

QSTE700TM

≥750

800-950

≥10

≥12

2.0a

Remarks  ：
1 . The yiels strength of 650MPa and 700MPa with thickness ＞8mm can be 20MPa lower .
2 . Samples for the tensile test are taken in rolling direction. Samples for cold bend test are taken transversely .

QSTE700TM steel size range

Grade

size （mm）
Size (mm)

QSTE700TM

3.0~12.0 ×900~1600

QSTE700TM steel plate application :
QSTE700TM Hot-rolled high strength steel sheets widely used in wheel, beam, carriage, axle, drive shaft, chassis, suspension and other important parts etc.

Shanghai Royal Industry Will return you with high-quality products and complete after-sale service with the lowest price. we committed to exceed customer's expectation on the basis of quality, price, and delivery. We sincerely hope to establish long-term cooperation relationship with you on the basis of mutual benefit, reciprocity and common development. As QSTE700TM Mechanical and QSTE700TM suppliers, we can supply QSTE700TM Chemical, QSTE700TM Mechanical and QSTE700TM standard for you ,please contact us ：info@sg295steel.com

Related products : QSTE550TM steel , QSTE650TM steel , QSTE600TM steel

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