Yuhong Holding Group Co.,LTD
 
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| Place of Origin: | CHINA |
| Brand Name: | YUHONG |
| Certification: | ISO9001-2008, API 5L, API 5CT |
| Model Number: | ST37.4, ST52.4 |
| Minimum Order Quantity: | 100KGS |
|---|---|
| Packaging Details: | PLYWOOD CASE,BUNDLE,PALLET |
| Delivery Time: | 7DAYS |
| Payment Terms: | T/T, L/C |
| OD: | 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2) | L: | 6000MM,6096MM,SRL,DRL |
|---|---|---|---|
| MATERIAL: | ST37.4, ST52.4 | USAGE: | Heat Exchanger Tube, Boiler Tube |
| STANDARD: | DIN2391 | DELIVERY: | NBK |
| WT: | 0.89,1,1.24,2.11MM.... | ||
| High Light: | boiler pipe,boiler condensate pipe |
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Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK
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%.
|
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| 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 | - |
Contact Person: Candy
Tel: 008613967883024
Fax: 0086-574-88017980
