hot dip galvanized steel pipe

HDG Steel   Pipe

1)Widely used for green house,fence,structure,etc,

2)Produced  according international standard

3)Satisfaction in min order

Detailed Product Description of  HDG Steel  Pipe

standards:BS,GB,ASTM

OD:21.3-273.3mm

Thickness:1.2-15mm

usage:water& fire main & scaffolding

Price:FOB USD600-900/Metric Ton

port:xingang,tianjin

delivery time:as per the order quantity

TOLERANCE of HDG Steel   Pipe

-on specified OD+0.5mm(ovlity 0.5mm)

-the inside diameter of ubes shall allow insertion of a guage of37.7mm dia for a

minimum length of 200mm.

-on wall thickness -10%

PROPERTIES

-chemical(maximum)C-0.20%,SI-0.05%,MN-1.40%,P-0.04%,S-0.045%,AL - Min0.02%

-mechanical=UTS-340 to520 N/mm2(minimum) &% Elongation on 5.65 SO -24%(minimum)

marking

-we can emboss mill sign "EN39 UTP 3or 4".online at every one meterinterval over the lenth of pipe

-we  can do online stencilling as per customer needs.

HDG Steel   Pipe

galvanizing  pipe/gi pipe/hot galvanizing  pipe

-lenth:the max is 12m or as customers'required

-standard:ASTM  DIN JIS GB

-Payment:30%T/T and 70%L/C or negotition

-packing:bundle,bulk in container or as per cuntomers'requirements

chemical composition-Q235:

Q235 made by grade A/B/C/D(GB700-88)

Q235A  C0.14~0.22% Mn0.30~0.65 Si≤0.30 S≤0.050 P≤0.045

Q235B  C0.12~0.20% Mn0.30~0.670 Si≤0.30 S≤0.045 P≤0.045

Q235C≤0.18%  Mn0.35~0.80 Si≤0.30 S≤0.040 P≤0.040

Q235D≤0.17% Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035

mechanical behavior-Q235: tensilestrength:σ/MPa 375-500

tensil strengtn(δ5/%)

>26(a<16mm>25(a>16-40mm)

>24(a>40-60mm),>23(a>60-100mm)

>22(a>100-150mm),>21(a>150mm)

a=wt  or diameter