ASTM A53 Black Hot-Dipped ERW Steel Tube for Construction , Zinc-Coated Welded Seamless Gas Pipe

Delivery Time:25~35days
Certification:ISO9001 14001 BV TUV PED DNV etc

ASTM A53 Black Hot-Dipped ERW Steel Tube for Construction , Zinc-Coated Welded Seamless Gas Pipe

Quick Detail:

Standard: ASTM A53
Size:(mm)
Out Dimensions: 6mm -350mm   
Wall Thickness: 0.8mm –35mm     
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

ASTM A53 Pipe , Steel, Black and Hot-Dipped, Zinc-Coated,Welded and seamless.

Available Steel Grade:

Q195 similar to a283 GR.B, 040a10, ss330, sphc

Q235 similar to a283 GR.D, 080a15,CS type B

Q345 similar to a737 GR.B, SS400, S235JR

ASTM A178 Grade A, C, D

ASTM A179 Grade A, C, D

ASTM A192

ASTM A210 GradeA-1, C

BS3059-Ⅰ 320 CFS

BS3059-Ⅱ 360, 440, 243, 620-460, 622-490, S1, S2, TC1, TC2

EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2

EN10216-2 P195GH, P235GH, P265GH, TC1, TC2

DIN17175 ST35.8, ST45.8

DIN1629 ST37.0, ST44.0, ST50.0

JIS G3454 STPG370, STPG410

JIS G3461 STB340, STB410, STB440

GB5310 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoWVTiB

GB9948 10, 20, 12CrMo, 15CMo

GB3087 10, 20

(Or per customers’ requirement.)

Packing: 
Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection

Inspection and Test: 
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test

Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

Mark: 
Marking or mechanical stamp on each piece of tube to be confirmed or as requested

Method of manufacture:

Electric-Resistance-Welded or Cold Drawn

Delivery condition:

The tubes shall be supplied in one of the following delivery conditions

a) Cold finished/hard (cold finished as drawn): BK;

b) Cold finished/soft (lightly cold worked): BKW

c) Annealed: GBK

d) Annealed (including de-scaling): GZF;

e) Normalized: NBK

f) Normalized (including de-scaling): NZF.

Related Steel Grade Chemical composition Limits(%) :

Elements       Material	Chemical Composition%	Mechanical Property
C%	Mn%	S%	P%	Si%	Yield Point  (Mpa)	Tensile Strength  (Mpa)	Elongation  (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.30	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.050	<0.045	<0.30	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.30	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22