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Professional manufacturer of Honed tube & chrome rod, founded in 2004, one of biggest manufacturer in China. Rich experience in production and export, prefect products & services gained recognition of clients from 40 countries.
Honed tube made by seamless steel tube and processed by Cold-drawn, Stress relief annealing, ID honing etc. more than ten processes. Material grade: ST52, E355, C20, STKM13C, SUS304, SUS316. ID precision level of H8 tolerance.
| Chemical composition of commonly used steel pipe material | |||||||||
| Parameters | C | Si | Mn | S(≤） | P(≤) | Cr | Ni | Mo | Other |
| 20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.040 | 0.040 | V:0.02-0.15 | Nb: 0.015-0.06 | Ti: 0.02-0.20 | Alt≥0.015 |
| 16Mn | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb: 0.015-0.06 | Ti: 0.02-0.20 | 16Mn |
| 25Mn | 0.22-0.30 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | ≤0.25 | ||
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.030 | 0.030 | ||||
| 42SiMn | 0.39-0.45 | 1.10-1.40 | 1.10-1.40 | 0.030 | 0.030 | ||||
| 42CrMo | 0.38-0.4 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 | 0.15-0.25 | ||
| Mechanical properties table of commonly used steel pipe materials | ||||||
Final Supply Condition | Cold finished (Hard)(BK) | Cold drawn and stress-relieved(BK+S) | Hardness HB | |||
| Parameters | T.S obN/mm² | Elongation δ5% | T.S obN/mm² | Y.S OsN/mm² | Elongation δ5% | |
| 20# | ≥550 | ≥8 | ≥520 | ≥470 | ≥12 | 175 |
| 45# | ≥650 | ≥5 | ≥600 | ≥520 | ≥12 | 207 |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 | 190 |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | 195 |
| 27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 | 230 |
Q: Are you a manufacturer?
A: Yes! We are a professional honing tube manufacturer.
Q: How can I get the price?
A: We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter, wall thickness, quantity and application of the steel pipe which you need.
Q: What is your terms of payment?
A: T/T or L/C according to real order.
Q: How long is your delivery time?
A: It's usually about 30 days. At the same time, urgent order could also be arranged about 7 days.
Professional manufacturer of Honed tube & chrome rod, founded in 2004, one of biggest manufacturer in China. Rich experience in production and export, prefect products & services gained recognition of clients from 40 countries.
Honed tube made by seamless steel tube and processed by Cold-drawn, Stress relief annealing, ID honing etc. more than ten processes. Material grade: ST52, E355, C20, STKM13C, SUS304, SUS316. ID precision level of H8 tolerance.
| Chemical composition of commonly used steel pipe material | |||||||||
| Parameters | C | Si | Mn | S(≤） | P(≤) | Cr | Ni | Mo | Other |
| 20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.040 | 0.040 | V:0.02-0.15 | Nb: 0.015-0.06 | Ti: 0.02-0.20 | Alt≥0.015 |
| 16Mn | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb: 0.015-0.06 | Ti: 0.02-0.20 | 16Mn |
| 25Mn | 0.22-0.30 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | ≤0.25 | ||
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.030 | 0.030 | ||||
| 42SiMn | 0.39-0.45 | 1.10-1.40 | 1.10-1.40 | 0.030 | 0.030 | ||||
| 42CrMo | 0.38-0.4 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 | 0.15-0.25 | ||
| Mechanical properties table of commonly used steel pipe materials | ||||||
Final Supply Condition | Cold finished (Hard)(BK) | Cold drawn and stress-relieved(BK+S) | Hardness HB | |||
| Parameters | T.S obN/mm² | Elongation δ5% | T.S obN/mm² | Y.S OsN/mm² | Elongation δ5% | |
| 20# | ≥550 | ≥8 | ≥520 | ≥470 | ≥12 | 175 |
| 45# | ≥650 | ≥5 | ≥600 | ≥520 | ≥12 | 207 |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 | 190 |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | 195 |
| 27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 | 230 |
Q: Are you a manufacturer?
A: Yes! We are a professional honing tube manufacturer.
Q: How can I get the price?
A: We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter, wall thickness, quantity and application of the steel pipe which you need.
Q: What is your terms of payment?
A: T/T or L/C according to real order.
Q: How long is your delivery time?
A: It's usually about 30 days. At the same time, urgent order could also be arranged about 7 days.
