HDG steel pipe

Our factory is near the raw material mill,which save a lot of cost .

HDG steel pipe
1).Spec:1/2"to10"
2).Grade:Q195/Q215/Q235/Q345/st33
3).O.D.:1/2''-10''
4).W.T.:0.75-8mm

HDG Steel   Pipe

 

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

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:0.75-8mm

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 meter interval 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:

tensile strength: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

 

Type			Ouside Dia.of black/galvanized tube						Weight of black/ galvanized tube
	Size		Minimum		Maximum		Wall thickness		Plain ends		Pieces
	NB(mm)	inches	mm	inches	mm	inches	mm	inches	kg/ft	kg/meter	per bundle
3	40	11/2	47.8	1.882	48.8	1.921	3.2	0.126	1.090	3.56	61
4	40	11/2	47.8	1.882	48.8	1.921	4.0	0.157	1.332	4.37	50