We marked the weight and prices for client, and quoted to him. I also attached the data sheet and sample MTC for him reference.The client feedback that our quotation is professional and thanks for the data sheet and sample MTC which is helpful to win the order.

This customer requests that ASTM A106 GRB carbon steel pipe need to be pickling and oil. Actually, carbon steel pipe usually is painted to rust protection which is better than oiled. So I rechecked this thing with client. After checked with end user, the client confirm the pickling and oil for the carbon steel pipes.

Purchase Order List

What is Hot Rolled Pickled and Oiled Steel Pipe

Hot rolled pickled and oiled steel pipe or HRPO steel pipe is undergoes a pickling and oiling process after being hot rolled. Pickling process removes scale and rust from the steel’s surface. The oiling process applies will prevent rust from forming in the future.

The pickling process is a procedure where hot rolled steel is run through a highly acidic cleaner, called pickling liquor, to remove impurities from the material.To remedy this problem, the pickled steel is immediately oiled to prevent oxidation.

Specification of Carbon Steel Pipe

Carbon steel pipe is prevalent and common used material in many industries to reliable safety, durability, structural stability and reasonable budget.

Features of ASTM A106 GRB Carbon Steel Pipe

ASTM A106 Grade B Carbon Steel Seamless Pipes are Medium Carbon Steel Pipes with 0.3 % carbon content with combination of 0.29-1.06 % manganese. These Pipes are most commonly used for general purpose applications worldwide. ASTM A106 Grade B Pipes are ductile and strong Pipes with long wearing properties.

Chemical Composition

Mechanical Properties

Carbon Steel Pipe Delivery

Delivery port

Shanghai, Tianjin, Qingdao

Shipment

LCL, 20GP, 40GP, Air, Courier

Packing

Bundles

Wooden box

Crates

As customer’s requirements

Certificate

CE, ISO, TEST REPORT, Stamp mill test certificate

Application of Pickled and Oiled Steel Pipe

Water supply systems

Constructions

Power plant

Pulp industry

Structural pipe

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The pipe Schedule describes the pipe wall thickness. In same size, the thickness in mm will be larger while pipe schedule number increases. It just affect the inside diameter only. Usually The double Extra Strong (XXS) wall is thicker than SCH 160 from NPS 1/2 to NPS 6, but SCH 160 is thicker than the XXS wall from NPS 8 to NPS 12.

Size & Weight of Schedule 160 Steel Pipe

Inspection dimension of 4 Inch Sch 160 Seamless Pipe

From above chart we can see this steel pipe size in mm are 114.3 x 13.5mm. According to the standard of ASME B36.10M, the tolerance of outside diameter is ±1.0mm (113.3 ~ 115.3mm) and thickness tolerance is ±12.5% ( 11.82 ~15.19mm). You can refer to below pictures and see they are qualified.

Package of 4 Inch A106B Carbon Steel Pipe

Carbon steel pipes are usually done with blasting, painting and marking before packing. And then packed in bundle if the pipes diameter are not larger, unless they will be in loose.

ASTM A106 GRADE B

Chemical Composition

Mechanical Properties

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