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Grade B2 U-Tubes For Tubular Feed Water Heaters

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Payment Type:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm:

FOB,CFR,CIF,EXW,FCA,CPT,CIP

Min. Order:

Transportation:

Ocean,Land,Air

Port:

SHANGHAI,SHANGHAI,SHANGHAI

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: Astm A556 Grade A2

Brand: TORICH

Standard: Gb, Astm

Material: A53-A369, 10#-45#

Section Shape: Round

Place Of Origin: China

Application: Boiler Pipe

Production Process: Cold Drawn

Certification: Bsi, Ce, Ul, Api

Special Tube: Api Pipe

Whether Alloy: Non-Alloy

Tolerance: ±3%, ±5%

Category: Seamless Steel Pipe

Processing Service: Bending, Welding, Decoiling, Punching, Cutting

Supply Ability & Additional Information

Packaging: In bundles

Productivity: 500 Ton Per Month

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang China

Supply Ability: 500 Tons per month

Certificate: ISO

HS Code: 7304193000

Port: SHANGHAI,SHANGHAI,SHANGHAI

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP

Packaging & Delivery

Package Type:: In bundles

Grade B2 U-Tubes For Tubular Feed Water Heaters

1. Scope

This specification covers minimum-wall-thickness,

seamless cold-drawn carbon steel tubes including bending into the form of U-tubes,

if specified,for use in tubular feed water heaters.

Size : from 5/8 to 1 1/4-in 15.9-31.8mm

Outerside diameter,inclusive,with minimum wall thickness equal to or greater than 0.045inch (1.1mm)

Order Information:

OD: 5/8’’- 1 1/4” (15.9-31.8mm)

WT: ≥ 0.045’’ 1.1mm

OD Tolerance : 0，+20%

Chemical Requirement :

Element

Composition ,%

Grade A2

Grade B2

Grade C2

Carbon, max

0.18

0.27

0.30

Manganese

0.27-0.63

0.29-0.93

0.29-1.06

Phosphorus, max

0.035

0.035

0.035

Sulfur, max

0.035

0.035

0.035

Silicon , min

...

0.10

0.10

Hardness Requirement

Grade A2

HR B 72

Grade B2

HR B 79

Grade C2

HR B 89

Tensile Requirements

Grade A2

Grade B2

Grade C2

Tensile strength,min,ksi(Mpa)

47(320)

60(410)

70(480)

Yield Strength,min,ksi(Mpa)

26(180)

37(260)

40(280)

Elongation in 2 in or 50min, min,%(longitudinal)

35

30

30

Reference documents:

ASTM standard.

A450/A450M Specification for General Requirement for Carbon and Low Alloy Steel Tubes

E30 Test Methods for Chemical Analysis of Steel,Cast Iron，Open-Hearth Iron and Wrought Iron

Product Categories : Seamless Heat Exchanger Steel Tubes

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Element	Composition ,%
Element	Grade A2	Grade B2	Grade C2
Carbon, max	0.18	0.27	0.30
Manganese	0.27-0.63	0.29-0.93	0.29-1.06
Phosphorus, max	0.035	0.035	0.035
Sulfur, max	0.035	0.035	0.035
Silicon , min	...	0.10	0.10