| Type: | Seamless |
|---|---|
| Technique: | Cold Drawn |
| Material: | Carbon Steel |
| Surface Treatment: | Oiled |
| Usage: | Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Mining, Construction & Decoration, Special Purpose |
| Section Shape: | Round |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | SAE/AISI: | SAE1020, SAE1026, SAE1045, SAE4130, SAE4140 |
| DIN: | ST52, ST52.3, ST52.4 |
| EN: | E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470 |
| GB: | 20#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, |
| BK | BKW | BKS | GBK | NBK | Q+T |
| +C | +LC | +SR | +A | +N | |
| Cold rolled | Cold drawn | Stress relieved | Annealed | Normalized | Quenched+Tempered |
| ID range | Tolerance | ID range | Tolerance |
| 18< d ≤30 | +0/+0.033 | 180< d ≤250 | +0/+0.072 |
| 30< d ≤50 | +0/+0.039 | 250< d ≤300 | +0/+0.081 |
| 50< d ≤80 | +0/+0.046 | 300< d ≤315 | +0/+0.081 |
| 80< d ≤120 | +0/+0.054 | 315< d ≤400 | +0/+0.089 |
| 120< d ≤180 | +0/+0.063 | 400< d ≤500 | +0/+0.097 |
| Standard Size: | ||||||||
| I.D(mm) | O.D(mm) | WT(mm) | I.D(mm) | O.D(mm) | WT(mm) | I.D(mm) | O.D(mm) | WT(mm) |
| 40 | 50 | 5 | 90 | 100 | 5 | 140 | 156 | 8 |
| 40 | 52 | 6 | 90 | 105 | 7.5 | 140 | 160 | 10 |
| 40 | 55 | 7.5 | 90 | 110 | 10 | 140 | 165 | 12.5 |
| 40 | 58 | 9 | 90 | 114 | 12 | 140 | 168 | 14 |
| 50 | 60 | 5 | 95 | 105 | 5 | 140 | 170 | 10 |
| 50 | 65 | 7.5 | 95 | 110 | 7.5 | 140 | 180 | 20 |
| 50 | 70 | 10 | 100 | 110 | 5 | 150 | 170 | 10 |
| 60 | 70 | 5 | 100 | 115 | 7.5 | 150 | 175 | 12.5 |
| 60 | 72 | 6 | 100 | 120 | 10 | 150 | 180 | 15 |
| 60 | 75 | 7.5 | 100 | 125 | 12.5 | 160 | 180 | 10 |
| 60 | 80 | 10 | 100 | 127 | 13.5 | 160 | 185 | 12.5 |
| 63 | 73 | 5 | 100 | 130 | 15 | 160 | 190 | 10 |
| 63 | 75 | 6 | 110 | 125 | 7.5 | 160 | 200 | 20 |
| 63 | 76 | 6.5 | 110 | 130 | 10 | 170 | 190 | 10 |
| 63 | 78 | 7.5 | 110 | 140 | 15 | 170 | 195 | 12.5 |
| 63 | 80 | 8.5 | 115 | 130 | 7.5 | 170 | 200 | 15 |
| 63 | 83 | 10 | 115 | 135 | 10 | 180 | 200 | 10 |
| 70 | 80 | 5 | 120 | 135 | 7.5 | 180 | 205 | 12.5 |
| 70 | 82 | 6 | 120 | 140 | 10 | 180 | 210 | 15 |
| 70 | 85 | 7.5 | 120 | 145 | 12.5 | 180 | 220 | 20 |
| 70 | 90 | 10 | 120 | 150 | 15 | 200 | 220 | 10 |
| 75 | 85 | 5 | 125 | 140 | 7.5 | 200 | 225 | 12.5 |
| 75 | 90 | 7.5 | 125 | 145 | 12.5 | 200 | 230 | 15 |
| 75 | 95 | 10 | 125 | 150 | 12.5 | 200 | 235 | 17.5 |
| 80 | 90 | 5 | 125 | 152 | 13.5 | 200 | 245 | 22.5 |
| 80 | 92 | 6 | 125 | 155 | 15 | 220 | 250 | 15 |
| 80 | 95 | 7.5 | 125 | 160 | 17.5 | 220 | 270 | 25 |
| 80 | 100 | 10 | 130 | 145 | 7.5 | 220 | 273 | 26.5 |
| 80 | 102 | 11 | 130 | 150 | 10 | 240 | 270 | 15 |
| 80 | 105 | 12.5 | 130 | 160 | 15 | 250 | 290 | 20 |
| 80 | 110 | 15 | 135 | 160 | 12.5 | 250 | 299 | 24.5 |
| Special requirement | 230.5 | 254 | 11.75 | |||||
| Mechanical Property: | ||||||||
| Delivery condition |
cold finished(hard)(BK) | Cold drawn and stress-relieved(BK+S) | ||||||
| Steel grade | Rm MPa | Elongation A5(%) |
Rm MPa | ReH MPa | Elonggation A5(%) |
|||
| 20# | ≥550 | ≥8 | ≥520 | ≥375 | ≥15 | |||
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |||
| ST52(E355) | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |||
| SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥12 | |||
| 45# | ≥650 | ≥5 | ≥600 | ≥510 | ≥12 | |||
| Chemical Composition: | ||||||||
| Steel grade | Chemical composition,% | |||||||
| C | Si | Mn | P | S | Cr | |||
| ≤ | ||||||||
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | ||
| 16Mn | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0/03 | 0.25 | ||
| ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 | ||
| SAE1026(25Mn) | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.04 | 0.05 | / | ||
| 45# | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | 0.025 | 0.02 | 0.25 | ||
Tiajin Boerking Steel Pipe Co., Ltd is one of companies specializing in producing and exporting
steel pipes and pipe fittings in China.
Our main products are API 5L GR.B,X42,X52,X60,X70,X80 PSL1/PSL2 Seamless Pipe, ASTM A106/SA106 Seamless Pipe, ASTM A53 Seamless Pipe, A335/SA179/SA192/A333 Seamless Pipe, and AISI1020 AISI1045 Seamless Pipe and API 5CT oil and casing steel pipes.
Our company's featured products are customized diameter steel pipe(such as 318mm,216mm,
254mm...),cold drawn steel pipe made to order, hot expanding steel pipe, 609.6mm~1020mm
SEAMLESS steel pipe, hollow section with customized size.
The annual yearly output is about 30,000 tons which is exported to all over the world, such as Korea, Malaysia, Singapore, Vietnam, Philippines, Thailand, Myanmar,HongKong, Taiwan, India, Pakistan, Bangladesh, Iran, Egypt, Australia, United Kingdom, Serbia, Guatemala, Argentina and so on. Tianjin Boerking Steel Pipe Co., Ltd believes in honesty,mutual respect and development, consistantly high quality and we continue to seek improvements by listening to our clients and giving due attention to their specifications and suggestions. Looking forward to your enquiry!
Q: What about your payment term?
A: Usually T/T or L/C, 30% deposit and 70% before delivery.
Q: what about your standard delivery date
A: 15~25 days after receiving deposit
Q: How about your capacity?
A: For steel pipes, 60,000 tons per month, 720,000 tons per year. For pipe fittings, 30,000 tons per year
Q: what about your package
A: Usually as per customer's requests.
Common packing information: Small size in bundles, big size in bulk, some sizes with plastic cap to protect both ends, seaworthy packaging.
Q: What is your main market &main customers
A: We have 15years experience on steel pipes & pipe fittings. Our main market includes China, Singapore etc. Main Customers including HYST, Keppel group etc.
Q: If products have some quality problem,how would you deal with?
A: We will responsible for all of our quality problems.
Q: How to get accurate price / quotation from you?
A: Please kindly tell us below details and we'll send our quotation to you ASAP:
1) Pipe's outer diameter 2) Wall thickness 3) Section Shape (round, square etc.)
4) length for each pipe 5) steel grade 6) Standard (e.g.: API 5L)
7) order quantity 8) Designation (BK, BKW etc.) 9) Trade Terms
P.S.: more detailed information you clarified, more exact price we provided.
Contact:
If you have any question, please feel free to contact me by the email or telephone!
Suppliers with verified business licenses
Audited Supplier 
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