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Q235 kolstålrör
Q235 carbon steel pipe is mainly used for conveying low-pressure fluid. This type of steel is generally smelted by converter or open-hearth furnace. Its main raw materials are molten iron and scrap steel. The sulfur and phosphorus content in the steel is higher than that of high-quality carbon structural steel. Generally, sulfur is ≤0.050% and phosphorus is ≤0.045%.
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Q235 Carbon Steel Pipe Beskrivning:
Q235 carbon steel pipe is mainly used for conveying low-pressure fluid. This type of steel is generally smelted by converter or open-hearth furnace. Its main raw materials are molten iron and scrap steel. The sulfur and phosphorus content in the steel is higher than that of high-quality carbon structural steel. Generally, sulfur is ≤0.050% and phosphorus is ≤0.045%.
Among them, "Q" is the first capital letter of the Chinese pinyin of the word "Qu" for yield, and the following number is the minimum yield point (σs) value of the grade.
Therefore, Q235 represents carbon structural steel with a yield point (σs) of 235 MPa.
In the GB700-88 standard, carbon structural steel Q235 is divided into four grades of A, B, C, and D according to metallurgical quality. The Si content of each grade of steel is 0.3%, and the difference lies in the carbon content and sulfur and phosphorus content. The carbon content of grade AB is 0.14%~0.22% and 0.12%~0.20%, the carbon content of grade CD is ≦0.18% and ≦0.17%, grade A has the smallest Mn content, and grade D has the smallest SP content.
Specifikationer:
|
Produktnamn |
Q235 Carbon Steel Pipe |
|
Standard |
AISI ASTM JIS BS DIN GB |
|
Teknik |
Varmvalsad |
|
Typ |
Stålrör |
|
Tjocklek |
0.5-40 mm |
|
OD |
15-300mm |
|
Längd |
5.8-12M |
|
Prov |
Prova fritt |
|
Förpackning |
Standard seaworthy packaging or as required |
|
Betalning |
T/T ; L/C ; |
Q235 Carbon Steel Chemical Composition:
|
Grade |
C% |
Si% |
Mn% |
P% |
S% |
|
Q235A |
≤ 0.22 |
≤ 0.35 |
≤ 1.4 |
≤ 0.045 |
≤ 0.050 |
|
Q235B |
≤ 0.20 |
≤ 0.35 |
≤ 1.4 |
≤ 0.045 |
≤ 0.045 |
|
Q235C |
≤ 0.17 |
≤ 0.35 |
≤ 1.4 |
≤ 0.040 |
≤ 0.040 |
|
Q235D |
≤ 0.17 |
≤ 0.35 |
≤ 1.4 |
≤ 0.035 |
≤ 0.035 |
Program:
Q235 carbon steel is mainly used for building structures such as factories, bridges, ships, and general fluid conveying pipelines. This type of steel can generally be used directly without heat treatment.
Produktförpackning:
Our product packaging can be customized according to customer requirements.
FAQ:
1.F: Hur länge kan leveransen ske?
S: För lagerprodukter, kommer att göra leveranser inom 5-7 dagar efter mottagande av insättning; för produkter behöver ny produktion för vanliga material, gör vanligtvis leveranser inom 10-15 dagar; för produkter behöver ny produktion för speciella och sällsynta material, behöver vanligtvis 20-30 dagar för att göra leverans.
2.F: Kan jag besöka din fabrik?
A: Visst, välkommen att besöka vår fabrik när som helst.
3. F: Var är du?
S: Anyang i Henanprovinsen.
4.F: Vilka certifieringar har dina produkter?
S: Vi har ISO 9001, BV, SGS, CE, TUV och andra certifieringar.
5.F: Vilka är dina betalningsvillkor?
A:30% T/T insättning i förskott, 70% T/T saldo inom 5 dagar efter B/L kopia, 100%. Oåterkallelig L/C vid synen, 100% Oåterkallelig L/C efter mottagande B/L 30-120 dagar, O/A.
Märka:
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