Reliable Suppliers in China – API 5L pipe manufacturer

How to Find reliable   API 5L Pipe Suppliers in china: Tips for Businesses Seeking quality and Value. For businesses seeking reliable API 5L pipe suppliers in China, it is important to take the time to research and evaluate potential suppliers. Here are some tips to help you find the best supplier for your needs: Oil

How to Find reliable  API 5L Pipe Suppliers in china: Tips for Businesses Seeking quality and Value.

For businesses seeking reliable API 5L pipe suppliers in China, it is important to take the time to research and evaluate potential suppliers. Here are some tips to help you find the best supplier for your needs:
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1. Check the Supplier’s Credentials: Make sure the supplier is certified and has the necessary qualifications to provide quality API 5L pipes. Ask for proof of certification and check the supplier’s references.

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2. Evaluate the Quality of the products: Ask for samples of the API 5L pipes and inspect them for quality. Make sure the pipes meet the required standards and are free from defects.

Tensile and Hardness Requirements
grade     Yield Strength MPa Tensile Strength Hardness a,c Specified Wall thickness Allowable Hardness Variation b
  Type Total Elongation Under Load   min MPa max    
      min max   HRC HBW mm HRC
1 2 3 4 5 6 7 8 9 10
H40 0.5 276 552 414
J55 0.5 379 552 517
K55 0.5 379 552 655
N80 1 0.5 552 758 689
N80 Q 0.5 552 758 689
R95 0.5 655 758 724
L80 L80 1 0.5 552 655 655 23 241
L80 9Cr 13Cr 0.5 552 655 655 23 241
    0.5 552 655 655 23 241
C90 1 0.5 621 724 689 25.4 255 £12.70 3
                12.71 to 19.04 4
                19.05 to 25.39 5
                ³ 25.40 6
T95 1 0.5 655 758 724 25.4 255 £12.70 3
                12.71 to 19.04 4
                19.05 to 25.39 5
                ³ 25.40 6
C110 0.7 758 828 793 30 286 £12.70 3
                12.71 to 19.04 4
                19.05 to 25.39 5
                ³ 25.40 6
P110 0.6 758 965 862
Q125 1 0.65 862 1034 931 b £12.70 3
                12.71 to 19.04 19.05 4
                  5
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.

3. Compare prices: Compare the prices of different suppliers to ensure you are getting the best value for your money.

4. Consider Delivery Times: Make sure the supplier can meet your delivery deadlines.

5. Look for Additional Services: Look for suppliers that offer additional services such as installation, maintenance, and repair.

API 5CT L80 Casing Tubing Grade Color Codes
Grade Grade Type Number and Color of Bands for Product a with length ³ 1.8 m Color(s) for couplings
      Entire Coupling Band(s) b, c
1 2 3 4 5
H40 None or black band at the manufacturer’s option None Same as for pipe
J55 Tubing One bright green Bright green None
J55 Casing One bright green Bright green One white
K55 Two bright green Bright green None
N80 1 One red Red None
N80 Q One red, one bright green Red Green
R95 One brown Brown None
L80 1 One red, one brown Red One brown
L80 9Cr One red, one brown, two yellow None Two yellow
L80 13Cr One red, one brown, one yellow None One yellow
C90 1 One purple Purple None
T95 1 One silver Silver None
C110 One white, two brown White Two brown
P110 One white White None
Q125 1 One orange Orange None
a In the case of coupling material, unless otherwise specified in the purchase agreement, the manufacturer’s internal requirements shall govern.
b Special clearance couplings shall also have a black band.
c Seal-ring couplings shall also have a blue band.

By following these tips, you can find reliable API 5L pipe suppliers in China that offer quality products at competitive prices. With the right supplier, you can ensure your business is getting the best value for its money.

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