ERW steel tubing standard sizes zinc coated galvanized steel pipe

Name

Gi hollow section Pre- galvanized steel pipe 

Surface

Galvanized (40-60g/m2 usual,can be request by customer)

Material

Q195,Q215,Q235

MOQ

5 tons for normal size and material

WT

0.6-2.75mm

Payment terms

TT deposit +BL copy / LC   or 100% LC at sight 

Trade terms

FOB,C&F,CIF,EXW

Length

fixed or random,as customer request.

End Treatment

Plain(can be threaded,punch,shrink,extension... )

Lead time

within 7 days from stock with 6m length (stock pipe with our factory name

in Chinese),20-25 days for customized pipe according to the qty

Grade

Chemical Composition

Mechanical Properties

C

Mn

Si

S

P

Yield

Tensile

Elongati

Strength Mpa

Strenth Mpa

-on %

Q195

0.06-0.12

0.25-0.50

≤0.30

≤0.045

≤0.05

≥195

315-430

≥33

Q215

0.09-0.15

0.25-0.55

≤0.30

≤0.05

≤0.045

≥215

335-450

≥27

Q235

0.12-0.20

0.30-0.67

≤0.30

≤0.045

≤0.04

≥235

375-500

≥26

Q345

≤0.20

1.00-1.60

≤0.55

≤0.04

≤0.04

≥345

470-630

≥22

Q195 ≈

Grade B,SS330 SPHC,S185

Q215 ≈

Grade C/CS Type B,SS330 SPHC

Q235 ≈

Grade D,SS400,S235

Q345 ≈

Grade 50/345,SPFC590,E/S335