din2391 ST35 din2391 ST35 cold drawn seamless precision steel tube with BK
Product Description
O.D : 18mm to 121mm
W.T : 2mm to 18mm
Length: max 12meters
Bra din2391 ST35 cold drawn seamless Precision Steel Pipe with BK Zhongxing Steel Pipe (by ourselves) Specification : OD18mm to 121mm , Thickness 2mm to 18mm 0ur products are offered in standard as well as customized specifications given as per client. 1.Section shape : Round 2. Material Specification and Ref. Document ST52,BK+S OR NBK,DIN2391 OD:36-480mm WT:3-40mm 3. Chemical Compisition (%)
Steel grade | Chemical composition,% | |||||
C | Si | Mn | P | S | Cr | |
≤ | ||||||
St45 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 |
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.050 | / |
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | 0.300 |
20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
Delivery condition | BK Cold finished(hard) | BKS Cold drawn and stress-relieved | |||
Steel grade | Rm Mpa | Elongation | Rm MPa | ReH MPa | Elonggation |
ST45 | ≥550 | ≥5 | ≥520 | ≥375 | ≥15 |
ST52(E355) | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 |
16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
20# | ≥550 | ≥8 | ≥520 | ≥375 | ≥15 |
Size of I.D | I.D Tolerance | Tolerance of wall thickness | ||
H8 | H9 | H10 |
±7.5% >210mm ±10% | |
30 | +0.0330 | +0.0520 | +0.0840 | |
>30-50 | +0.0390 | +0.0620 | +0.1000 | |
>50-80 | +0.0460 | +0.0740 | +0.1200 | |
>80-120 | +0.0540 | +0.0870 | +0.1400 | |
>120-180 | +0.0630 | +0.1000 | +0.1600 | |
>180-250 | +0.0720 | +0.1150 | +0.1850 | |
>250-315 | +0.0810 | +0.1300 | +0.2100 |
| |
| |
Features |
|
Usage | Mainly used to produce Pneumatic or hydraulic component ‘s products ,like Cylinder or oil cylinder |
Advantage | Precision Seamless Pipe application could save steel material , improve Processing effect , reduce the procedure and equipment investment , save cost and time to improve production production capacity |
|
Product Categories : Seamless pipe > Other Steel Pipe
Premium Related Products