Products Description
1.Seamless Steel tubes ASTM A53 for general purposes: SA53B specification: wall thickness: 1/4"-28"Outer Diameter: 13,7-711.2mm
2. SEAMLESS STEEL TUBE for high temperature service: ASTM A106 ,SA106B, specification: wall thickness: 1/4"-28"Outer Diameter: 13,7-711.2mm
3.Pipe line API SPEC 5L. : SA106 SPECIFICATION: 1/4"-28", 13.7-711.2 mm
4.Seamless low carbon steel tube for heat exchange and condensers: ASTM A 179 , specification: 3/4", 1"
5. SEAMLESS STEEL TUBES ASTM AS33 for low temperature service at-40 °C-101 °C : GR 1,GR 3, 6. GR.7, specification: 1/4"-28", 13.7-711.2 mm.
6. Din 2448/1629 seamless steel tube: ST37, ST44, ST52, specification: 1/4"-28", 13.7-711.2 mm.
7.Heat resistant seamless steel tubes (heat strength tubes) DIM7175-1979: carbon Structural Steel St35.8-St45.8/, St35.8-St45.8.
8. Seamless steel tubes for structural purposes : 10 # , subtotal, 35 # , 45 #, specification, 6-720mm* 1-70 mm .
9. Seamless steel tubes for fluid conveyance: 10 # , 20 # , specification: 6-P20 * 1-70 mm
10. Low and medium pressure boiler tubes: 10 # , 20 # . Size: 6-720 * 1-70 M
11.High-pressure boiler tubes: 20#, specification: 6-720 * 1-70mm, are seamless carbon steel nominal tubes for high-temperature service. The Execution Standard ASME is identical with ASTM STANDARD A106/A106M-08.
Products Specifications
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Product Name |
Top Quality ASTM A53 A106 API 5L Seamless Carbon Steel Pipe |
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Standard |
China GB/T8162/T8163 GB5310/6479/9948, 3091-2001, GB/T 13793-1992, GB/T9711 |
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USA ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A333; API 5L/5CT, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996 |
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Japan JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464 |
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German DIN 1626/17175/1629-4/2448/2391/17200 SEW680 |
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Russia GOST 8732/8731/3183 |
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British and European BS 1387, BS EN10296, BS6323, BS 6363, BS EN10219 |
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Material and Grade |
China 10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo,42Crmo, 27SiMn, 20CrMo |
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U.S.A. Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130 |
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Japan STPG38,STB30,STS38,STB33,STB42,STS49,STBA23,STPA25,STPA23 |
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German ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405 |
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Russia 10, 20, 35, 45, 20X |
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Wall thickness |
0.5MM~80MM |
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Outer Diameter |
21.3MM~762MM |
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Length |
5m-14m or as customer's request |
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Shape |
Round,Square, Rectangular |
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Packing |
Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
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Surface Treatment |
1. PVC,Black and color painting
2. Galvanized |
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Product Application |
1. Fence, greenhouse, door pipe,greenhouse |
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Delivery Time |
3-30 days according to our stock and purchase quantity |
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MOQ |
3 tons, larger quantity, lower price
We can provide carbon steel tubes of various diameters and thicknesses, we can also support custom service, if you want more details, please contact us! |
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SEAMLESS TUBES FOR BOILER AND HIGH TEMPERATURE SERVICE
1. Standards
DIN 17175, EN 10216-2, ASTM A 106, ASTM A179, NF A 49-211, ASTM A210, ASTM A213, ASTM A335;
2. Used for
Construction for: boiler, pipe lines, pressure vessels, equipment for high temperature and pressure, equipment for heat-exchanger and condenser.
3. Dimensions
According EN 10216-2 or ASME B36.10M in dimensional range corresponding to the workshop CPE (Tab.1 and Tab.2) or ASSEL (Tab.3) or Cold rolling and drawing (Tab.4)
4. Tolerances
| Standard | Outside Diameter | Wall Thickness | Weight |
| ASTM A 106 NF A 49-211 |
OD≤48.3; ±0,40mm 48.3 114.3 OD>219.1; +2.4/-0.8mm |
+12.5% | +10/-3.5% for any length of pipe |
| EN 10216-2 hot rolled | ±1.0% or ±0.5mm (which is higher) | ±12.5% or ±0.4mm (which is higher) | |
| DIN 17175 hot rolled |
OD<=100 ± 0.75% (minimum±0.5mm) 100 |
OD <=130; WT≤ 2Sn; +15/-10% OD <=130; 2Sn OD <=130; WT>4Sn; ±9% 130 130 1300.11OD; ±10% Sn- Nominal wall thickness according to DIN 2448 |
+10/-8% for each tube ±7.5% for a lots over 10t |
| ASTM A210 hot rolled |
OD<=101.6+0.4/-0.8mm 101.6 190.50 |
OD<=101.6 and WT<=2.4; +40%/0 OD<=101.6 and 2.4 OD<=101.6 and 3.8 OD<=101.6 and WT>4.6; +28%/0 OD>101.6 and 2.4 OD>101.6 and 3.8 101.6 and WT>4.6; +28%/0 |
+16%/0 |
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ASTM A213 hot rolled |
OD≤100mm: +0.4mm / -0.8 mm 100 200 |
Average wall thickness: 10.3 WT<73 mm & (WT/OD)≤5%: +22.5%/-12.5% WT<73 mm & (WT/OD)>5%: +15%/-12.5%
Minim wall thickness: WT ≤ 2.4 mm (only for OD ≤ 114.3 mm): + 40 % / -0% 2.4 3.8 WT>4.6 mm: +28% / -0%
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ASTM A213 Cold finished |
OD ≤25: +0.10 mm/-0.11 mm 25 40 50≤OD < 65mm: ±0.25 mm 65≤OD < 75 mm: ±0.30 mm 75≤OD ≤100 mm: ±0.38 mm 100 200
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Average wall thickness: ±10%
Minim wall thickness: For OD ≤38.1mm => WT = +20% / -0 For OD >38.1mm => WT= +22% / -0 |
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ASTM A335 hot rolled |
For pipe ordered to NPS [DN] or outside diameter: 10.3 48.3 114.3 219.1 For pipe ordered to inside diameter: ±1% |
10.3 WT<73 mm & (WT/OD)≤5%: +22.5%/-12.5% WT<73 mm & (WT/OD)>5%: +15%/-12.5%
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| DIN 17175 cold rolled |
OD<=120± 0.6%(minimum±0.25mm) OD>120±0.75%
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OD <=130; WT≤ 2Sn; +15/-10% OD <=130; 2Sn OD <=130; WT>4Sn; ±9% 130 130 1300.11OD; ±10% Sn – Nominal wall thickness according to DIN 2448 |
+10/-8% for each tube ±7.5% for a lots over 10t |
| EN 10216-2 cold rolled | ±0.5% or ±0.3mm (which is higher) | ±10% or ±0.2 mm (which is higher) | |
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ASTM A179 and ASTM A210 cold rolled |
OD<25.4; ±0.10 25.4<=OD<=38.1; ±0.15 38.1 50.8>=OD<63.5; ±0.25 63.5>=OD<76.2; ±0.30 |
OD<=38.1; +20% OD>38.1; +22% | OD<=38.1; +12% OD>38; +13% |
5. Chemical Composition (%)
| Steel Group | C | Si | Mn | P max | S max | Cr | Mo | Ni | Sn |
| Grade A, TU E275 | max 0.25 | min 0.10 | 0.27÷0.93 | 0.035 | 0.035 | ||||
| Grade B | max 0.30 | min 0.10 | 0.29÷1.06 | 0.035 | 0.035 | ||||
| St35.8, TU E220 | max 0.17 | 0.10÷0.35 | 0.40÷0.80 | 0.040 | 0.040 | ||||
| St45.8, TU E250 | max 0.21 | 0.10÷0.35 | 0.40÷1.20 | 0.040 | 0.040 | ||||
| P195GH | max.0.13 | max.0.35 | max.0.70 | 0.025 | 0.020 | max 0.30 | max 0.08 | max 0.30 | |
| P235GH | max.0.16 | max.0.35 | max.1.20 | 0.025 | 0.020 | max 0.30 | max 0.08 | max 0.30 | |
| P265GH | max.0.20 | max0.40 | max.1.40 | 0.025 | 0.020 | max 0.30 | max 0.08 | max 0.30 | |
| 16Mo3 | 0.12÷0.20 | max0.35 | 0.40÷0.90 | 0.025 | 0.020 | max 0.30 | 0.25÷0.35 | max.0.30 | |
| 13CrMo4-5 | 0.10÷0.17 | max0.35 | 0.40÷0.70 | 0.025 | 0.020 | 0.70 ÷1.15 | 0.40÷0.60 | max.0.30 | |
| 10CrMo9-10 | 0.08-0.14 | max 0.50 | 0.30÷0.70 | 0.020 | 0.010 | 2.0 ÷2.50 | 0.90÷1.10 | max.0.30 | |
| ASTM A179 | 0.06÷0.18 | – | 0.27÷0.63 | 0.035 | 0.035 | ||||
| Grade A-1 | max0.27 | min. 0.10 | max. 0.93 | 0.035 | 0.035 | ||||
| T11 | 0.05-0.15 | 0.30-0.60 | 0.30-0.60 | 0.025 | 0.025 | 1.00-1.50 | 0.44-0.65 | ||
| T22 | 0.05-0.15 | 0.30-0.60 | 0.30-0.60 | 0.025 | 0.025 | 1.90-2.60 | 0.87-1.13 | ||
| P5 | max. 0.15 | max. 0.50 | 0.30-0.60 | max. 0.025 | 0.025 | 4.00-6.00 | 0.45-0.65 | ||
| P11 | 0.05-0.15 | 0.50-1.00 | 0.30-0.60 | max. 0.025 | max. 0.025 | 1.00-1.50 | 0.44-0.65 | ||
| P22 | 0.05-0.15 | max. 0.50 | 0.30-0.60 | max. 0.025 | max. 0.025 | 1.90-2.60 | 0.87-1.13 |
6. Mechanical Properties
| Steel Group | Yield Strength, min. | Tensile Strength | Elongation | Impact | |
| N/mm² | N/mm² | min. (%) | J | (°C) | |
| Grade A, TU E275 | 205 | min. 330 | Calculation acc. to | ||
| Grade B | 240 | min 415 | the wall thickness | ||
| St35.8, TU E220 | 235 | 360÷480 | 25 | ||
| St45.8, TU E250 | 255 | 410÷530 | 21 | ||
| P195GH | 195 | 320÷440 | 27 | 28 | -10 |
| P235GH | 225 | 360÷500 | 25 | 28 | -10 |
| P265GH | 255 | 410÷570 | 23 | 28 | -10 |
| 16Mo3 | 270 | 450÷600 | 22 | 40 | 20 |
| 13CrMo4-5 | 290 | 440÷590 | 22 | 40 | 20 |
| 10CrMo9-10 | 280 | 480÷630 | 22 | 40 | 20 |
| ASTM A179 | 180 | 325 | 36 | HRB = max 72 | |
| Grade A-1 | 255 | 415 | 30 | HRB = max 79 | |
| T11 | 205 | 415 | 30 | 85HRB/250HBW/170HV | |
| T22 | 205 | 415 | 30 | 85HRB/250HBW/170HV | |
| P5 | 205 | 415 | 30 | ||
| P11 | 205 | 415 | 30 | – | |
| P22 | 205 | 415 | 30 | – | |
7. Lengths
Random lengths or fixed lengths in length range correspond-ing to the -workshop CPE (Tab.1 and Tab.2) or ASSEL (Tab.3) or Cold rolling and drawing (Tab.4).
8. Protection
Unprotected;
External varnished with black or clear lacquer;
If required, the tubes can be delivered with plastic caps at both ends.
9. Marking
According to standard or per customer request.
10. Delivery
Bundles up to:
2000 kg (4400 lbs) – cold drawn tubes;
4000 kg (8800 lbs) – hot rolled tubes.
Quantity tolerances: ±5% per size or / and per total.
The bundles will have one tag applied at each end, marked according to standard or at customer's request.
11. Mill test report
Mill test reports are issued to customer requirements. Usually they comply with DIN 50049, EN 10204.
12. Quality certified
TUV-PED,.AD.SGS.ISO9001
We are committed to providing our customers with an exceptional buying experience. Our knowledgeable and friendly sales team is always available to assist you in selecting the right STEEL PIPE for your needs. We offer prompt shipping and secure payment options to ensure a smooth and hassle-free purchase.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
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