Specifications
Material:20# 45# 16Mn 27SiMn ST52,BK+S,DIN2391,ASTM A 106 or according to your requirement.
Standard: GB/T8713-88 GB/T3639-2000 DIN 2391 EN10305 or according to your requirement.
Straightness:0.3~0.8mm/m or according to your requirement
Elongation: 14%-25% or according to your requirement.
ID tolerance:H7-H8
Application:
Mining industry, machinery processing, natural gas oil transportation exploitation etc.
Process:
Cold-drawn, cold-rolled, honed, SRB
Delivery condition:
BKS or according to customer's requirement
Equipment:
Cold drawn machine,honing machine,SRB machine,Point straightening machine,roller straightening machine,lathe
| ST52-3, CHEMICAL COMPOSITION |
| C |
Mn |
P |
S |
Si |
Al |
Cu |
Mo |
V |
| 0.18 |
1.39 |
0.017 |
0.005 |
0.30 |
- |
- |
- |
- |
| 0.15 |
1.42 |
0.017 |
0.003 |
0.26 |
- |
- |
- |
- |
| 0.16 |
1.42 |
0.015 |
0.007 |
0.28 |
- |
- |
- |
- |
| ST52-3, MECHANICAL PROPERTIES |
| |
| Y.S. |
T.S. |
ELONGATION |
HARD- |
| MPa |
Mpa |
% |
NESS |
| 620 |
760 |
18 |
- |
| 634 |
745 |
20 |
- |
| 650 |
798 |
19 |
- |
