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Diameter Seam Steel Pipe 300mm 500mm Longitudinal Welded Carbon Steel Water Pipe

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Torich International Limited

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Diameter Seam Steel Pipe 300mm 500mm Longitudinal Welded Carbon Steel Water Pipe

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Brand Name :	Torich
Model Number :	304 316
Certification :	IS09001 ISO14001 TS16949
Price :	Negotiation
Payment Terms :	L/C, T/T
Supply Ability :	5000tons per year
Delivery Time :	5-8 weeks days

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Diameter Seam Steel Pipe 300mm 500mm Longitudinal Welded Carbon Steel Water Pipe

Diameter Seam Steel Pipe 300mm 500mm Longitudinal Welded Carbon Steel Water Pipe

Quick detail:

Single Seam: Outside Diameter 6-914mm Wall thickness 0.5-60mm

Double Seams:Outside Diameter 630-1524mm Wall thickness 2-80mm

Circular Seam:Outside Diameter 630 mm above Wall thickness 2-100

Material

SUS 304,TP304 SUS304L TP304L SUS316 TP316 SUS316 TP316L.

Calculation Formula

0.02491

0.02482

0.02513

Application : Electric Power

Oil Refining

Nuclear Power

Drinking Water

Offshore Engineering &Shipbuilding

Natural Gas

Paper making

Construction

Description:

LARGE DIAMETER PIPE Available material

Material
Austenitic Stainless Steel	310S, 309S,316L,321,304L,304
Duplex	S,32750,S32760,S31803,S32205
Nickel-Base Alloy	N08904,N06600,N08825
Copper Nickel Alloy	C70600,C70620
Ferrite	430,409L
Other Special Material	254SMO,253MA
High-Temp Material	310S,309S,S30815
Titanium Alloys	TA2,TA10,TC4

Production process:

Steel Coil

Re-test

Flat Open and Transverse Shear

Shear Longitudinal Shear

Edge Planning and Milling

Butt Welding of plate

Forming(Bending/Reeling)

End Squaring&Tack Welding

Welding Seam Cleaning

Automatic welding

Radiographic Test

Solution Treatment

Rounding

Straightening

End Facing Treatment

Hydrostatic Test

Pickling Passivation

Rinse and Dry

Radiographic Test

Finished Production Testing

Marking

Packing

Finished Product Warehousing

Shipping

Standard:

GB/T 12771

Delivery condition:

Heat treatment

Welded

Standard	Item	Outside Diameter			Thickness	Roundness	Straightness	Length
GB/T 12771	Heat treatment		High Class	General	Thickness	Roundness	Straightness	Length
		＜50	±0.20	±0.3	＞0.5-1.0,±0.15 ＞1.0-2.0 ±0.20 ＞2.0-4.0 ±0.3 ±10%	Not exceed the OD tolerance t/D≤3% ≤1.5%D	OD ≤ 108 mm,≤1.5mm/m ＞ 108-325mm ≤2.0mm/m ＞ 325mm ≤2.5mm/m	3000-9000mm, Length tolerance is 0,+20mm
		≥40-＜65	±0.30	±0.40
		≥65-＜90	±0.40	±0.50
		≥90-＜168.3	±0.80	±1.0
		＞168.3-＜325	±0.75% D	±1% D
		≥325-＜610	±0.6% D	±1% D
		＞610	±0.6% D	±0.7% or± 10 Chose min value
	Welded	All sizes	±0.5% D or ±0.20 chose the bigger one	±0.75% D or ±0.30 chose the bigger one

Diameter Seam Steel Pipe 300mm 500mm Longitudinal Welded Carbon Steel Water Pipe

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