Customization: | Available |
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After-sales Service: | Support |
Warranty: | Support |
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Carbon Seamless Steel Pipe / tubes
Out Diameter | 13.7mm-914mm |
Wall Thickness | 2mm-120mm |
Length | 2m-12m |
Producing Standard | American ASME B36.10M, ASTM API 5L, API 5CT Japanese JIS,German DIN,Chinese GB,BS standard |
Steel Grade | ASTM A53, A106, A210, A252, A333 etc; P S L1: A, B, x42, x46, x52, x56, x60, x65, x70 P S L2: B, x42, x46, x52, x56, x60, x65, x70, x80 JIS STPG42, G3454, G3456 etc; DIN St37, St42, St45, St52, DIN1626, DIN17175; GB 20#, Q345, 16Mn etc. |
Special specifications | Available according to customer's requirements and quantity. |
End Shape | Beveled end, plain end, varnished, or adding plastic caps to protect the two ends as per customer's requirements |
Surface treatment | Painted, Oiled, galvanized, phosphate etc |
Usage | 1.Widely used in the mechanical treatment field, petrochemical industry, transport and construction field 2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc; 3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc 4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc |
Third party inspection | Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products. |
Grade | Chemical Compositions | |||||||||
C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V | |
A106-A | ≤0.25 | 0.27-0.93 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
A106-B | ≤0.30 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
A106-C | ≤0.35 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
Grade | Mechanical Properties | |||||||||
Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | ||||||||
A106-A | ≥330 | ≥205 | 30 | |||||||
A106-B | ≥415 | ≥240 | 30 | |||||||
A106-C | ≥485 | ≥275 | 30 |
Grade | Chemical Composition (%) Max. | ||||||||
C | Mn | P | S | Cu | Ni | Cr | Mo | V | |
A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
B | 0.30 | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Grade | Mechanical Properties | |
Tensile Strength (Mpa) | Yield Strength (Mpa) | |
A | ≥48,000 (≥330) | ≥30,000 (≥205) |
B | ≥60,000 (≥415) | ≥35,000 (≥240) |
Standard | Product specification category |
Steel Grade |
Chemical Composite | ||||||||
C | Mn | P | S | Si | V | Nb | Ti | CEpcm | |||
API 5L | P S L 1 | L210 or A | ≤0.22 | ≤0.90 | ≤0.030 | ≤0.030 | ≤0.25 | ||||
L245 or B | ≤0.28 | ≤1.20 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
L290 or X42 | ≤0.28 | ≤1.30 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
L320 or X46 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
L360 or X52 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
L390 or X56 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
L415 or X60 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | ≤0.25 | ||||||
P S L 2 | L245R or BR | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | C | C | ≤0.04 | ≤0.25 | |
L290R or X42R | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.06 | ≤0.05 | ≤0.04 | ≤0.25 | ||
L245N or BN | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | C | C | ≤0.04 | ≤0.25 | ||
L290N or X42N | ≤0.24 | ≤1.20 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.06 | ≤0.05 | ≤0.04 | ≤0.25 | ||
L320N or X46N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.40 | ≤0.07 | ≤0.05 | ≤0.04 | ≤0.25 | ||
L360N or X52N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.25 | ||
L390N or X56N | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.25 | ||
L415N or X60N | ≤0.24 | ≤1,40 | ≤0.025 | ≤0.015 | ≤0.45 | ≤0.10 | ≤0.05 | ≤0.04 | Negotiate |
Standard | Product specification category | Steel Grade | Yield Strength | Tensile Strength |
API 5L | P S L 1 | L210 or A | 210 | 335 |
L245 or B | 245 | 415 | ||
L290 or x42 | 290 | 415 | ||
L320 or X46 | 320 | 435 | ||
L360 or X52 | 360 | 460 | ||
L390 or X56 | 390 | 490 | ||
L415 or X60 | 415 | 520 | ||
P S L 2 | L245R or BR | 245~450 | 415~760 | |
L290R or X42R | 290~495 | 415~760 | ||
L245N or BN | 245~450 | 415~760 | ||
L290N or X42N | 290~495 | 415~760 | ||
L320N or X46N | 320~525 | 435~760 | ||
L360N or X52N | 360~530 | 460~760 | ||
L390N or X56N | 390~545 | 490~760 | ||
L415N or X60N | 415~565 | 520~760 |
Steel pipe nominal outer diameter range | Steel pipe outer diameter | Coating category | Coating | Coating thickness |
DN100~600 | 114.3~609.6 | 3PE (three-layer polyethylene) | First layer: epoxy powder (green) | 2.0~4.5mm |
Intermediate layer: adhesive (white) | ||||
Outermost layer: polyethylene (black) | ||||
2PE (two layers of polyethylene) | First layer: adhesive | 2.0~4.5mm | ||
Outermost layer: polyethylene | ||||
DN80~600 | 88.9~609.6 | Epoxy powder | Epoxy powder | 200~400um |
2FBE (Double layer epoxy powder) | First layer: epoxy powder (green) | 400~800um | ||
Outermost layer: reinforced epoxy powder (gray green) | ||||
DN100~600 | 114.3~609.6 | 3PP (three layers of polypropylene) | First layer: epoxy powder (green) | 2.5~3mm |
Intermediate layer: adhesive (white) | ||||
Outermost layer: polypropylene (white) |
INCH | OD | API 5L ASTM A53 A106 Standard Wall Thickness | ||||||
(MM) | SCH 10 | SCH 20 | SCH 40 | SCH 60 | SCH 80 | SCH 100 | SCH 160 | |
(mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | ||
1/4" | 13.7 | 2.24 | 3.02 | |||||
3/8" | 17.1 | 2.31 | 3.2 | |||||
1/2" | 21.3 | 2.11 | 2.77 | 3.73 | 4.78 | |||
3/4" | 26.7 | 2.11 | 2.87 | 3.91 | 5.56 | |||
1" | 33.4 | 2.77 | 3.38 | 4.55 | 6.35 | |||
1-1/4" | 42.2 | 2.77 | 3.56 | 4.85 | 6.35 | |||
1-1/2" | 48.3 | 2.77 | 3.68 | 5.08 | 7.14 | |||
2" | 60.3 | 2.77 | 3.91 | 5.54 | 8.74 | |||
2-1/2" | 73 | 3.05 | 5.16 | 7.01 | 9.53 | |||
3" | 88.9 | 3.05 | 5.49 | 7.62 | 11.13 | |||
3-1/2" | 101.6 | 3.05 | 5.74 | 8.08 | ||||
4" | 114.3 | 3.05 | 4.50 | 6.02 | 8.56 | 13.49 | ||
5" | 141.3 | 3.4 | 6.55 | 9.53 | 15.88 | |||
6" | 168.3 | 3.4 | 7.11 | 10.97 | 18.26 | |||
8" | 219.1 | 3.76 | 6.35 | 8.18 | 10.31 | 12.70 | 15.09 | 23.01 |
10" | 273 | 4.19 | 6.35 | 9.27 | 12.7 | 15.09 | 18.26 | 28.58 |
12" | 323.8 | 4.57 | 6.35 | 10.31 | 14.27 | 17.48 | 21.44 | 33.32 |
14" | 355 | 6.35 | 7.92 | 11.13 | 15.09 | 19.05 | 23.83 | 36.71 |
16" | 406 | 6.35 | 7.92 | 12.70 | 16.66 | 21.44 | 26.19 | 40.49 |
18" | 457 | 6.35 | 7.92 | 14.27 | 19.05 | 23.83 | 29.36 | 46.24 |
20" | 508 | 6.35 | 9.53 | 15.09 | 20.62 | 26.19 | 32.54 | 50.01 |
22" | 559 | 6.35 | 9.53 | 22.23 | 28.58 | 34.93 | 54.98 | |
24" | 610 | 6.35 | 9.53 | 17.48 | 24.61 | 30.96 | 38.89 | 59.54 |
26" | 660 | 7.92 | 12.7 |
Q: Can we visit your factory?
A: Warmly welcome your visit.
Q: Do you have quality control?
A: Yes, we have obtained BV, SGS certification.
Q: Can you arrange shipment?
A: Of course, we have regular forwarders who can get the best prices from most shipping companies and provide professional services.
Q: How long is your delivery time?
A: Generally it is 3-10 days if the goods are in stock. If the quantity of goods is large, the lead time is 15-45 days.
Q: How can we get a quotation?
A: Please provide the specific specification of the product. Such as material, size, shape, etc., so that we can provide the best quotation.
Q: Can we get some samples? Is there a fee?
A: Yes, you can get free samples, just need to pay the freight.
Q: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure the benefit of customers.
2. We respect every customer. We sincerely do business and make friends with our customers.
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