Main Products: casing ,Tubing ,line pipes ,cylinder pipes ,Boiler Tube
Boiler tube(STB 340 boiler steel tube,ibr seamless boiler tube)
USD $800 - $5,000 /Ton
Min.Order:20 Tons
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Beijing Hengzhixinda Trade Co., Ltd.
Business Type: Trading Company
Beijing ChinaMain Products: casing ,Tubing ,line pipes ,cylinder pipes ,Boiler TubeProduct Details
Boiler tube
1.Standard: GB, ASME, DIN, JIS
2.WT:2-120
3.OD:89-710
4.Technique:cold drawn, hot rolled
5.Grade:20G,SA-106B/C,SA210A/C...
Pipe Category | Pipe Size mm | Allowed Tolerances | |||
Standard | Higher | ||||
Hot Rolled | OD | ≤ 159 | ± 1.0% (± 0.5mm ) | ± 0.75% (± 0.3mm ) | |
> 159 | ± 1.0% | ± 0.90% | |||
WT | < 3.5 | + 15% (+ 0.48mm - 10% - 0.32mm ) | ± 10% (± 0.2mm ) | ||
3.5~20 | +15% | ±10% | |||
>20 | D < 219 | ± 10% | ±7.5% | ||
D ≥ 219 | +12.5% | ±10% | |||
Cold Drawn | OD | ≤ 30 | ± 0.20mm | ± 0.15mm | |
> 30~50 | ± 0.30mm | ± 0.25mm | |||
>50 | ±0.8% | ±0.6% | |||
WT | 2~3 | +12% | ±10% | ||
> 3 | ±10% | ±7.5% | |||
For manufacture water wall panel, economizer, reheater, superheater and pipeline of boilers
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