.

螺纹钢

Product Name

deformed steel bar

Standard

GB1499.2, ASTM A615, JIS G3112, BS4449, etc.

Grade

HRB335, HRB400, HRB500, GR40, GR60, SD295A, SD295B, SD345,

SD390, SD490, GR250, GR460A, GR460B, etc.

Diameter

6~40mm

Length

6m, 8m, 9m, 12m

Length tolerance

±25mm

Form

spirality, herringbone, crescent are available

Surface quality

end flat, surface without cracks, scars, folding, no harmful defects

Technique

hot rolled

Testing standard

Chemical test: GB/T223, JIS G1211, BS1837

Tensile test: GB/T228.1, JIS Z2201, ASTM A370, BS18

Bending test: GB/T232, JIS Z2248, ASTM E290

Application

Build/bridge/road/civil work construction/highway/railway/tunnel/dam

Package

standard seaworthy packing, as customers' requirement

Delivery Time

30 days after receipt of the deposit.

Certificate

ISO, SGS

Chemical composition

Grade

C (%)

Si (%)

Mn (%)

P (%)

S (%)

Ceq (%)

HRB335

HRBF335

0.25

0.80

1.60

0.045

0.045

0.52

HRB400

HRBF400

0.54

HRB500

HRBF500

0.55

Mechanical properties

Grade

Yeild strength

(Mpa)

Tensile strength

(Mpa)

Elongation

(%)

Agt

(%)

HRB335

HRBF335

335

455

17

7.5

HRB400

HRBF400

400

540

16

HRB500

HRBF500

500

630

15


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