Strict quality control system and perfect after-sales service system are always our top concern which can guarantee and track the quality of our products from raw materials procurement, production processes, finish products as well as after-sales service.
Test:SGS or Third- party test
Delivery: 5-7days after deposit
10#,20# seamless steel pipe are low carbon steel pipe, carbon steel is generally divided into low carbon steel, medium carbon steel and high carbon steel three, of which 45# steel is medium carbon steel, lower than 45# is low carbon steel, higher than 45# is high carbon steel, seamless steel pipe such as no special requirements, are used 20# seamless steel pipe.
Chemical Composition |
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Grade |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Cu |
10# |
0.07-0.14 |
0.35-0.65 |
≤0.35 |
≤0.035 |
0.17-0.37 |
≤0.15 |
≤0.25 |
≤0.25 |
20# |
0.17-0.24 |
0.35-0.65 |
≤0.035 |
≤0.035 |
0.17-0.37 |
≤0.25 |
≤0.25 |
≤0.25 |
Mechanical Property |
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Grade |
Tensile |
Yield |
Elongation |
reduction |
hardness |
10# |
≥410(42) |
≥245(25) |
≥25 |
≥5 |
≤156HB |
20# |
≥410(42) |
≥245(25) |
≥25 |
≥5 |
≤156HB |
Grade |
Heat treatment |
Micro-structure |
Delivery State |
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10#,20# |
Normalizing,910℃, |
ferrite and pearlite |
Delivered without heat treatment or heat treatment (annealing, normalizing or high temperature tempering). If the condition of heat treatment is required, it shall be indicated in the contract. Otherwise, the goods shall be delivered without heat treatment. |
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Approximate grade contrast |
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GB |
DIN |
BS |
NF |
JIS |
AISI |
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10 |
-- |
040A2 |
XC10 |
S10C/S12C |
1010 |
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20 |
CK22/C22 |
IC22 |
C22 |
S20C/S22C |
1020 |
Conventional Parameters |
|
OD |
10-2620mm |
Length |
5.8m,6m,11.8m,12m or Customization |
Thickness |
0.5-40 mm |
Tolerance |
±1% |
Surface treatment |
GI,PVC,color painting or Customization |
Payment term |
T/T (30% Deposit) |
MOQ |
5Tons |
Packing |
Standard Sea-worthy Packing |
Standard |
AISI,ASTM,DIN,JIS,GB ,JIS,SUS,EN,etc |
10#,20#seamless pipe and other low carbon steel manufacturing seamless pipe is mainly used for fluid pipeline.It also used for manufacturing cars, tractors and general machinery manufacturing industry in the construction of less important small and medium-sized carburizing carbonitriding parts, such as car brake shoes, lever shaft, transmission fork, transmission passive gear and tractor camshaft, equalizer shaft, equalizer inside and outside bushing.