Cold drawn St45 20# Mild Steel Tubing
| Place of Origin: | Jiangsu |
|---|
Company Profile
| Location: | Nanjing, Jiangsu, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Seamless Steel Tubes, Seamless Carbon Steel Tube, Hot Rolled Steel Tube |
Product Detail
| Model No.: | HC |
|---|
Product Description
Cold drawn St45 20# Mild Steel Tubing Honing Steel Pipes For Hydraulic Cylinder , DIN 2391 EN 10305
Quick Detail:
Products: Hydraulic cylinder tubes / Precision steel tube
Standard: DIN 2391 / EN 10305 /GB8713-88 / GB/T3639-2000
Grade: St52 / E355 / St45 / SAE1026 / 20# / 27SiMn
SIZE:(mm)
OD: 45mm ~ 500mm
WT: 3mm ~ 50mm
Description:
1. Variety
|
Processing form |
I.D.mm |
Length |
Straightness |
I.D.tolerance |
I.D.Roughness(RA) |
|
Cold-rolled |
30-100 |
≤24M |
0.3-1.0/1000 |
H8-H10 |
0.4-1.6um |
|
Cold-drawn |
30-250 |
≤24M |
H8-H10 |
0.8-1.6um |
|
|
Hone |
40-500 |
≤24M |
H8-H9 |
0.4-0.8um |
|
|
SRB |
50-250 |
≤24M |
H8 |
0.1-0.4um |
2. Material Specification and Ref. Document
ST52,BK+S OR NBK,DIN2391
OD:45-50mm WT:3-50mm
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 |
|
| ||||||
