GB3087 Steel Pipe

  • Description
Product Detail

GB3087 is a Chinese Standard for low and middle pressure boiler seamless steel pipes. It is used for manufacturing water wall, economizer, reheater, superheater, and steam pipe.

Product Name

10 carbon steel pipe

20 carbon steel pipe

chemical analysis

C:0.07-0.13;Si:0.17-0.37;Mn:0.35-0.65;P: 0.035; S: 0.035;Ni 0.30;Cr: 0.15;Cu 0.25

C:0.17-0.23;Si:0.17-0.37;Mn:0.35-0.65;P: 0.035; S: 0.035;Ni 0.25;Cr: 0.25;Cu 0.25

Tensile Strength

335-475MPa

410-550MPa

Yield strength

T 16mm, 205MPa;

T 16mm, 195MPa

T 16mm, 245MPa;

T 16mm, 235MPa

Standard


GB3087


Length

As customer s request

Packaging

Standard export packing, packed in woven bags, with two nylon slings, or can be customized as request

Heat Treatment/      Delivery Condition

  1. Cold finished and stress-relieved annealing BKS(+SR)

Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.

  1. Annealed    GBK(+A)

The last Cold forming process is followed by annealing in a controlled atmosphere.

  1. Normalized   NBK(+N)

  2. The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Delivery Time

Within 35-50 days from receiving deposit

Payment Term

100% L/C at sight or 30% deposit, 70% balance against copy of B/L

Usage/Application

Pipes for low and middle pressure boiler

Main Market

Asia, Middle East, Europe, etc.

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Changzhou Hongtai Precision Steel Pipe Co.,Ltd

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