Negotiable
The date of payment from buyers deliver within days
Jiangsu
Long-term effective
2017-12-13 05:15
216
Company Profile
By certification [File Integrity]
Contact：Miss Lucia Jue(Mr.)
Email：
Telephone：
Phone：
Area：Jiangsu
Address：Jiangsu
Website： http://jygano.jssytm.com/
Outer diameter: 25mm -500mm
Wall thickness: 2-50mm
Material: ST52, 27SiMn, SAE1026
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305
Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.
Material & Chemical Composition
DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
| Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
|
A106B / C20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.25 |
≤0.30 |
|
Cu≤0.25 |
| CK45 | 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 |
| ST52 E355 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 |
|
|
|
|
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 |
|
0.15-0.25 |
|
| Processing Form | I. D | Length | Straightness | I. D Tolerance | I. D Rounghness |
| Cold-rolled | 30-100 | ≤ 12M | 0.3-1.0 | H8-H10 | 0.4-1.6 |
| Cold-drawn | 30-250 | ≤ 12M | 0.3-1.0 | 0.8-1.6 | |
| Hone | 40-500 | ≤ 12M | 1000 | H8-H9 | 0.4-0.8 |
| SRB | 40-400 | ≤ 7M | 1000 | H8-H9 | 0.1-0.4 |
