Yuhong Group Co.,Ltd
| Supply Ability | PCS, METERS, KG, TON |
| Delivery Time | 10-30 days according to Order Detail |
| Packaging Details | Ply-wooden case packing. Strong Iron case packing. |
| Standard | DIN 2391C NBK+Phosphating |
| Material | ST37.4, ST52.4 |
| Usage | Heat exchanger tube, Boiler tube |
| Brand Name | YHSS, YUHONG |
| Model Number | 10*1.0*6000MM etc |
| Certification | ABS, BV, LR,TUV,DNV,IEI,IGI |
| Place of Origin | CHINA, Marine class Approved |
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Product Specification
| Supply Ability | PCS, METERS, KG, TON | Delivery Time | 10-30 days according to Order Detail |
| Packaging Details | Ply-wooden case packing. Strong Iron case packing. | Standard | DIN 2391C NBK+Phosphating |
| Material | ST37.4, ST52.4 | Usage | Heat exchanger tube, Boiler tube |
| Brand Name | YHSS, YUHONG | Model Number | 10*1.0*6000MM etc |
| Certification | ABS, BV, LR,TUV,DNV,IEI,IGI | Place of Origin | CHINA, Marine class Approved |
| High Light | boiler pipe ，boiler condensate pipe | ||
High Pressure Seamless Boiler tube DIN2391C ST52.4 NBK + Phosphating Precision Cold Drawn DNV.GL Approved.
DIN2391 Precision Cold Drawn Seamless Pipes and Tubes, Gr St35 St45 St52 St37.4, Cold Finished Seamless Pipe use for Hydraulic and Pneumatic.
Delivery Status: NBK (+N) BKW (+LC) GBK (+A) BKS (+SR) BK (+C) OD x WT = 4~120 x 0.5~15mm
DIN2391 St52.4+N Phosphated Hydraulic Tube
atmosphere.
| Steel grade |
Chemical composition, as a percentage by mass
| |||||
| Symbol |
Material number
| C max. | Si max. | Mn |
P max.
|
S max.
|
| St 30 Si | 1.0211 | 0.10 | 0.30 | <=0.55 | 0.025 | 0.025 |
| St 30 Al | 1.0212 | 0.10 | 0.05 | <=0.55 | 0.025 | 0.025 |
| St 35 | 1.0308 | 0.17 | 0.35 | <=0.40 | 0.025 | 0.025 |
| St 45 | 1.0408 | 0.21 | 0.35 | <=0.40 | 0.025 | 0.025 |
| St 52 | 1.0580 | 0.22 | 0.55 | <=1.60 | 0.025 | 0.025 |
|
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.
| ||||||
| Steel grade | Chemical Composition(%): | ||||||
| Steel name | Steel number | C max | Si max | Mn | P max | S max | Al min |
| E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
| E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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