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Founded in 2004, the Company is one of the largest manufacturers of honing tubes and chrome rods in China. Rich experience in production and export, excellent products and services have won the recognition of customers in more than 40 countries.
It adopts seamless steel pipe honing tube, which is processed by more than ten processes such as cold drawing, stress annealing and inner diameter honing. Material grade :ST52, E355, C20, STKM13C, SUS304, SUS316. Accuracy class 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.
Founded in 2004, the Company is one of the largest manufacturers of honing tubes and chrome rods in China. Rich experience in production and export, excellent products and services have won the recognition of customers in more than 40 countries.
It adopts seamless steel pipe honing tube, which is processed by more than ten processes such as cold drawing, stress annealing and inner diameter honing. Material grade :ST52, E355, C20, STKM13C, SUS304, SUS316. Accuracy class 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.
