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Heat Treatment Q195 ASTM A178 Welded Erw Boiler Tubes

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Heat Treatment Q195 ASTM A178 Welded Erw Boiler Tubes

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Brand Name : New Era

Model Number : ASTM A178

Certification : ISO9001,TS16949

Place of Origin : China

MOQ : 5 tons

Price : Negotiation

Payment Terms : T/T

Supply Ability : 3000 tons/month

Delivery Time : 45 days

Packaging Details : Bundles Package, Wooden Box Package

Material : Q195, STt35, E235, 1010, 10#

Delivery Condition : Heat Treatment

OD Size : 12.7-127mm

WT Size : 0.9-9.1mm

Length : 5.8M,6M,11.8M

Application : Heat Exchanger, Condenser, Superheater

Production Process : ERW

Packing : Bundles package with PVC bags

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ASTM A178 Electric Resistance Welded Carbon Steel and Carbon Manganese Steel Boiler and Superheater Tubes

Material: Carbon steel and carbon manganese steel
Production: Electric Resistance Welding
Size range: O.D.: 12.7-127mm W.T.:0.9-9.1mm L: according to customer requirement

Applications: For Boilers, Superheaters, Heat-Exchangers, Condensers, Boiler flues, Superheater flues and Safe ends

Heat treatment:
After welding, all tubes are heat treated at a temperature of 1650℉ (900℃) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treated after the final cold-draw pass at a temperature of 1200℉(650℃)or higher.

Chemical Properties

Element Grade A,Low-Cabon Steel Grade C,Medium-Carbon Steel

Grade D,

Carbon-Manganese Steel
Carbon 0.06-0.18 0.35 Max 0.27Max
Manganese 0.27-0.63 0.80Max 1.00-1.50
Phosphorus,Max 0.035 0.035 0.030
Sulfur,Max 0.035 0.035 0.015
Silicon - - 0.10 min
Mechanical Properties Grade A Grade C Grade D
Tensile Strength:min ksi(Mpa) 47(325) 60(415) 70(485)
Yield Point:min ksi(Mpa) 26(180) 37(255) 40(275)
Elongation ≥35% ≥30% ≥30%

Heat Treatment Q195 ASTM A178 Welded Erw Boiler Tubes


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ASTM A178 Erw Boiler Tubes

      

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