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  • Cangzhou Steel Pipe Group (CSPG) Co., Ltd.
  • ADD:No.92 Jiefang East Rd., Cangzhou City, Hebei Province, China
  • TEL:+86-31-75673271
  • MOBILE:+8615373302068
  • E-MAIL:ella@cnspipe.com
  • Carbon Steel Low Pressure Pipe

    Steel Grade/Steel Material/Steel Number: 10# 20# Low Temperature Carbon Steel Pipe vs. Carbon Steel Pipe There are several varieties of steel. For example, there is mild steel, carbon steel and low temp carbon steel. To clarify, carbon steel is further classified as low, medium, high and ultra...
    Product Details:

    Product Name

    Low carbon gi pipe schedule 40 low pressure liquid steel pipe

    Size

    OD: 21.3mm-114.3mm WT: 1.0mm-4.0mm

    Length

    5.8m-12m

    ends

    beveled/plain/thread and coupling

    Executive standard

    ASTM A53

    Main application

    1. Fluid and gas transportation
    2. Structure pipe

    MOQ

    10 tons

    Supply Capacity:

    20000tons per year

    Package

    in bundles

    or according to customers' requirement

    Payment

    L/C or T/T (30% in advance and 70& against the copy of B/L)

    Delivery

    Within 30-45 days lead times after confirming the deposit

    Advantages

    1. Competitive price,
    2. Excellent quality
    3. Short delivery time
    4. Any quality isses, quickly feedback.


    Steel Grade/Steel  Material/Steel Number:
    10# 20#

    Grade

    Chemical Analysis %

    C

    Si

    Mn

    Cr

    Ni

    Cu

    10

    0.07-0.13

    0.17-0.37

    0.35-0.65

    ≤0.15

    ≤0.30

    ≤0.25

    20

    0.17-0.23

    0.17-0.37

    0.50-0.80

    ≤0.25

    ≤0.30

    ≤0.25


    Low Temperature Carbon Steel Pipe vs. Carbon Steel Pipe

    There are several varieties of steel. For example, there is mild  steel, carbon steel and low temp carbon steel. To clarify, carbon steel is  further classified as low, medium, high and ultra high carbon steel, as well as  low and alloyed steel. Yet, each of these begins with carbon as part of the  composition.

    The content of carbon contained in these varieties of steel  determines the use in manufacturing processes. Basically, mild steel has low  carbon content and carbon steel is considered a rough grade since it contains  higher levels of carbon. Use of low temp carbon steel pipe vs. carbon steel  pipe depends on the temperature under which it will be subjected.


    Low Carbon Steel Contents and Use

    Low carbon steel is composed of 0.04 – 0.30 percent carbon.  Welders and piping experts prefer low carbon steel for things like boiler  plates, wire products and seamless tubing and piping uses. Auto manufacturers  typically prefer low carbon steel for vehicle body panels. If the low  temperature carbon steel piping is seamless, it can be installed when  processing or manufacture piping requires low temperatures to avoid negative  impact on this type of piping. One example of use of low temperature carbon  steel pipe would be in processes where refrigerants are required to be 50° F.  If this is the case, choose ASTM A333 Grade 6 Low Temp Seamless Carbon Steel  for pipes transporting refrigerated process materials through a system. This is  a simple guide to new installations of low carbon steel pipes with chemical  components that include:

    . Carbon (max) 0.30

    . Manganese at 0.29-1.06

    . Phosphorus (max) 0.025

    . Sulfur (max) 0.025

    This applies to pipe size ranges of one-half to 24 inches and  STD, XH, 40, 80, 100, 120, 160, XXH standard schedules. Other specifications  for these size ranges include tensile Strength (min) Psi of 60,000 with MPa of  415 and yield strength (min) Psi of 35,000 and MPa of 240.

    Custom low temp carbon steel pipe specifications may vary  according to design size.


    Carbon Steel Pipe
    Carbon steel relies heavily on its physical properties and  structure of its grain. The content of carbon in carbon steel pipe is higher  than that of low temp, mild or other plain carbon steels. This particular type of steel is stronger, more durable and used most often for a wide variety of  projects. Note that carbon steel is classified, according to their carbon  content in three categories:

    . Low alloy

    . High alloy

    . Plain carbon

    The percentage of alloy in carbon steel affects weldability,  hardening process and resistance to corrosion. Installation of carbon steel  pipe should take these factors into consideration.

    The properties of low alloy steel pipe are chromium (Cr),  molybdenum (Mo) and nickel (Ni). These alloys range from 2.07 percent to  approximately 10.5 percent of total content.


    High alloy Carbon Steel

    High alloy carbon steel has chromium properties of 2.07 percent  and nickel alloy. As a type of stainless steel, it is preferred for various  carbon steel pipe usages for industrial processes where corrosion resistance is  a factor.


    ASTM Specifications

    ASTM specifications are as follows, “ASTM A106 Seamless Pressure  Pipe (also known as ASME SA106 pipe) covers seamless carbon steel nominal wall  pipe for high-temperature service. Suitable for bending, flanging and similar  forming operations. NPS 1-1/2″ and under may be either hot finished or cold  drawn.” Ref. (https://www.astm.org/Standards)

    Note that carbon and alloy content, ASTM specs, grade and  temperature specs play a significant role in the choice of low temp carbon  steel pipe vs. carbon steel pipe. In simple use, bolts, nuts and fasteners may  be milled from carbon steel. Carbon pipes as seamless stainless steel are used  for ductwork that requires higher temperatures.


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