| Product Name: | Stainless Steel Hollow Bar / Duplex Steel Hollow Bar/ Nickel Alloy Steel Hollow Bar | Material Grade: | Duplex 2205， S31803 ， Super Duplex : 32750， S32760 ， S32304， S31500， S32900， TP304L，TP316L，1.4435 And 1.4571 |
|---|---|---|---|
| Standard: | ASTM A312， ASTM A789， ASME SA789， ASTM A790 ， ASME SA790 ， ASTM A928， ASME SA928 | Delivery: | FOB， CIF |
| NDT: | ET/UT/HT | Certificates: | ABS， LR， GL， DNV， NK， TS， PED， AD2000， GOST9941-81， CCS， ISO 9001-2008 |
| High Light: | astm a789 stainless steel hollow bar， astm a789 steel hollow bar， duplex 2205 stainless steel hollow bar | ||
Stainless Steel Hollow Bar / Duplex Steel Hollow Bar/ Nickel Alloy Steel Hollow Bar
TONG CHUANG 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 |
TONG CHUANG Group testing of hollow bar
TONG CHUANG 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
TONG CHUANG 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).
