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Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

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Brand Name :	New Era
Model Number :	ASTM A179
Certification :	ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	5000 tons/month
Delivery Time :	45 days

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Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

A179 Low Carbon Cold Drawn Seamless Steel Tube for Boiler Heat-exchanger

Application:Applicable to -45 °C grade ~-100 °C level cryogenic pressure vessel pipe and low temperature heat exchanger pipe seamless steel

Size:L--4-12m OD--30-351mm WT--3-25mm

Manufacture method:Steel should be smelted with oxygen converter or electric furnace and added outside the furnace

Delivery Condition:Normal delivery

Processing methods:Hot rolled (expanding) steel pipe--WH

cold drawing (rolling) Steel pipe --WC

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Inspection items:

chemical composition

Tensile test

Ultrasonic examination

Eddy current flaw detection

Bending test

Flattening test

Permissible deviation tolerance of OD and WT

Classfication	Steel size		Permissible tolerance
W-H	OD	＜351	±1.0%D
	OD	≥351	±1.25%D
	WT	≤25	±12.5%S
W-C	OD	≤30	±0.20
		＞30~50	±0.30
		＞50	±0.75%D
	WT	≤3	＋12.5%S -10%S
	WT	＞3	±10%S

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Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

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Oiled Surface Low Carbon Cold Rolled Steel Tube A179 For Boiler / Heat Exchanger

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