Cold rolled Steel seamless honed precision pipes ASTMA53 DIN1626 st37
USD $600 - $1,250 /Metric Ton
Min.Order:5 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
Company introduction:
Located in Yantai, our company Yantai Xinpeng Steel Pipe Co., Ltd, is in(APEC) Science& Technology Industrial Park, with convenient transportation. Established in Dec 1992, with registered capital of 5 million Yuan, we have more than 20 years experience in manufacturing and exporting steel pipe. Our company mainly produces various specifications of cold finished precision steel pipe, which are widely used in hydraulic Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field. Standard:GB/T8713-88, GB/T3639-2000 or according to customers’ requirement. Material usual 20#,45#,16Mn,25Mn,27SiMn,St35,St52,etc.
Specifications:
1.Standard:GB/T8713,GB/T3639,DIN2391,EN10305,ASTMA519,ASTMA106-2006
2.Grade: 20#(aisi1020,ck20),45#(aisi1045,ck45),st52(16Mn,Q345D),25Mn(stkm13c-t),27SiMn
3.OD:30-250mm
4.ID tolerance:H7,H8,H9
5. Wall thickness:10%×ID
6.Surface roughness:Ra 0.02— 0.4μm
7. Delivery condition:BK,BKW,BKS,GBK,NBK
8.Ovality: ≤ 0.10-0.20
9.Curvature:0.3
ID tolerance:
ID size | ID deviation (mm) | |||
H7 | H8 | H9 | H10 | |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 |
>30~50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 |
>50~80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 |
>80~120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 |
>120~180 | +0.040 0
| +0.063 0 | +0.100 0 | +0.160 0 |
>180~250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 |
>250~315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 |
>315~400 | +0.0527 0 | +0.089 0 | +0.140 0 | +0.230 0 |
Mechanical Property:
Delivery Condition | Cold drawn+ stress-relieved(BK+S)(SR) | Cold fished (hard)(BK) | |||
Steel Grade | Tensile strength (Rm Mpa) | Yield strength | Elogation A5% | Tensile strength (Rm Mpa) | Elogation A5% |
20# | ≥520
| ≥375 | ≥15 | ≥550 | ≥8 |
45# | ≥600 | ≥520 | ≥10 | ≥640 | ≥5 |
E355(Q345B,St52) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
25Mn | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
27SiMn | ≥760 | ≥610 | ≥10 | ≥800 | ≥5 |
Certificate:
Product Process:
Application: