Yuhong Group's program of hollow bar includes several grades of austenitic stainless steel as well as duplex stainless/nickel alloy steel
| Outside diameter 1 | Wall thickness 1 | Type | Specification | Quality |
|---|---|---|---|---|
| Hollow bar | EN 10294-1 | 20MNV6 | ||
| 11,600 | Hollow bar | EN 10216-5 | 1.4404 | |
| 20,050 | Hollow bar | EN 10216-5 | 1.4404 | |
| 9,700 | Hollow bar | EN 10216-5 | 1.4404 | |
| 100,000 | 10,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 10,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 10,000 | Hollow bar | EN 10216-5 | 1.4306 |
| 100,000 | 10,000 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 10,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 10,000 | Hollow bar | ISO2938- | 20MNV6 |
| 100,000 | 10,000 | Hollow bar | EN 10216-5 | 1.4306 |
| 100,000 | 10,000 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 10,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 12,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 12,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 12,500 | Hollow bar | ISO2938- | 20MNV6 |
| 100,000 | 12,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 12,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 14,500 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 14,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 14,500 | Hollow bar | ISO2938- | 20MNV6 |
| 100,000 | 14,500 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 14,500 | Hollow bar | EN 10216-5 | 1.4307 |
| 100,000 | 15,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 15,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 15,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 17,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 17,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 18,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 18,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 18,500 | Hollow bar | ISO2938- | 20MNV6 |
| 100,000 | 18,500 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 18,500 | Hollow bar | EN 10216-5 | 1.4307 |
| 100,000 | 20,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 20,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 20,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 22,000 | Hollow bar | EN 10216-5 | 1.4306 |
| 100,000 | 22,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 22,000 | Hollow bar | ISO2938- | 20MNV6 |
| 100,000 | 22,000 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 22,000 | Hollow bar | EN 10216-5 | 1.4404 |
| 100,000 | 22,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 22,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 22,500 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 45,000 | Hollow bar | EN 10294-1 | E470 |
| 100,000 | 45,000 | Hollow bar | EN 10294-1 | E470 |
| 101,000 | 30,000 | Hollow bar | EN 10294-1 | E470 |
| 101,600 (3 1/3") | 12,500 | Hollow bar | ISO2938- | 20MNV6 |
| 101,600 (3 1/3") | 14,900 | Hollow bar | EN 10294-1 | OVAKO 280 |
| 101,600 (3 1/3") | 16,000 | Hollow bar | ISO2938- | 20MNV6 |
Yuhong Group testing of hollow bar
Yuhong Group's hollow bar stock standard items are tested according to below.
Certificate status according to EN 10204/3.1B.
| Standards and testing |
|---|
| PED 97/23/EC (leak test is deferred to machined component) EN 10216-5 , EN 10294-2 Intergranular corrosion test acc. to EN ISO 3651-2A in delivery condition NACE MR 0175*/ISO 15156 |
| Standards and testing |
|---|
| PED 97/23/EC EN 10216-5 TC1 EN 10294-2, EN 10297-2 Norsok MDS 041*, ASTM A790 Corrosion test acc. to ASTM G-48 A NACE MR 0175/ISO 15156 |
Tolerances for hollow bar
YUHONG GROUP's hollow bar is delivered with tolerances according to below. Other tolerances can be offered to special order.
Outside diameter (OD)
+2/-0% but minimum +1/-0 mm (+0.04/-0 in.)
+/-1% (OD 275 mm)
Inside diameter (ID)
+0/-2% but minimum +0/-1 mm (+0/-0.04 in.)
Straightness
Straightness deviation max. 1.5 mm per 1000 mm (0.059 in. per 3 ft).
