novos produtos
Procurar Tubos De Poço De Petróleo, Tubulação De Aço Sem Costura-tubo De Aço, Tubo Redondo Galvanizado no diretório Industry Directory, fabricante / fornecedor / Fábrica confiável a partir de China
Sales : Ms Grace : steelpipegz at gmail.com or grace at zhongxingsteelpipe.com Tel : 86-635-8245816 Fax : 86-635-8245817 Mobile : 86-13963509487 |
Process |
mostly by cold drawn for those small size seamless pipes |
Delivery Condition
|
BK : Generally used for motorcycle parts like Shock absorber sliding column |
BKW : Generally used for manufacturing automobile parts | |
BKS : Generally used for manufacturing All kinds of mechanical parts | |
GBK : Most commonly state which have a widely application scope | |
NBK : Oil well pipe is in this condition | |
Calculation of Theoretic Weight |
? kg/m = {(OD – W.T) * W.T} * 0.02466 |
ASTM |
GB |
JIS |
DIN |
A106 Gr.B |
20# |
G3461 |
St45.8 |
chemical composition; |
GradeB
|
Carbon, max |
0.30 |
Manganes |
0.29–1.06 |
Phosphorus,max |
0.035 |
Sulfur,max |
0.035 |
Silicon,min |
0.10 |
Chrome,max |
0.4 |
Copper,max |
0.4 |
Molybdenum,max |
0.15 |
Nickel,max |
0.40 |
Vanadium,max |
0.08 |
|
tensile strength MPa |
yield point MPa |
elongation (%) |
A106B |
410~550 |
245 |
24 |
Grupo de Produto : Tubulação sem emenda > Outros tubos de aço