Standard:
ASTM A513 cold rolling welded precision steel tubes
Steel Grade:
SAE1010, SAE1020, SPCC,SPHC,other materials upon agreement with customers.
Production method:
Cold rolling on the weled steel tubes, to reach high accuracy on the OD and WT tolerance
Size range:
O.D.:6-350mm W.T.:1-15mm L:max12000mm
Packing:
In Hexagonal Bundles, with anti corrosion oil protection, with seaworthy packing
Delivery condition:
1. A.W.H.R. "as welded" from hot-rolled steel
2. A.W.C.R. "as welded" from cold-rolled steel
3. S.D.C.R. "sink-drawn", cold-rolled steel
5. M.D. mandrel drawn
6. S.S.I.D. special smooth inside diameter
Please specify the delivery condition when sending the enquiry!
Thermal condition:
1. No final thermal treatment
2. Stress relieved
3. Annealed
4. Normalized
| Steel Grade and Chemical Compositions: |
| Steel Grade | C | Mn | P | S | Si | Cr | Mo |
| max | | max | max | max | min | |
| 1008 | 0.10 | 0.5 | 0.035 | 0.035 | | | |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.035 | 0.035 | | | |
| 1018 | 0.14-0.20 | 0.30-0.60 | 0.035 | 0.035 | | | |
| 1020 | 0.17-0.23 | 0.30-0.60 | 0.035 | 0.035 | | | |
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.035 | 0.035 | | | |
| 1035 | 0.31-0.38 | 0.60-0.90 | 0.035 | 0.035 | | | |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.035 | 0.035 | 0.15-0.35 | 0.80-1.10 | 0.08-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.035 | 0.035 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
FAQ
Q: Are you trading company or manufacturer ?
A: We are professional steel tube manufacture since 1997
Q: What certificates do you have ?
A: IATF16949,ISO9001,SGS
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need pay the cost of freight.
