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Qingdao Iron&Steel International Co., Ltd.
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Seamless Steel Pipes in Large Caliber for Gas Cylinders
| Payment Terms: | T/T,L/C |
| Place of Origin: | Shandong, China (Mainland) |
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Product Detail
Seamless Steel Pipes in Large Caliber for Gas Cylinders
ASTM A519,Q/321088HGB3,GB18248
Steel Material: 4130X
Seamless Steel Pipes in Large Caliber for Gas Cylinders
Standards:
ASTM A519-------American Materials and Testing Institution Standard
Q/321088HGB3---Enterprise Standards of Jiangsu Chengde Steel Pipe Co., Ltd
GB18248-----------China National Standard
Steel Material: 4130X
Usage: Seamless steel tubes in large calibers for gas cylinders.
Type of pipe | Outer diameter | Walll thickness | ||
Hot rolled seamless pipe | OD (mm) | tollerance | WT (mm) | tolerance |
559 | ±1.0% | 17.0 | 0~+25% | |
Mechanical Properties:
standard | Steel grade | Tensile strength(Mpa) | Bend strength(Mpa) | Bend ratio | Elongation (%) | Impact energy Akv(J) | Hardness |
Q/321088HGB3 | 4230X | 725~865 | 485~735 | ≤0.85 | ≥20 | -40℃≥40 | 195~269HB |
Chemical composition:
standard | Steel grade | Chemical composition (%) | |||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | ||
Q/3210 88HGB3 | 4130X | 0.25~0.35 | 0.15~0.35 | 0.4~0.9 | ≤0.02 | 0.01 | 0.8~1.1 | ≤0.25 | ≤0.2 | 0.15~0.25 | ≤0.8 |
Type of pipe:Hot rolled seamless pipe
Outer diameter OD(mm):559+-1.0%
Wall thickness WT(mm):17.0 0~+25%
Mechanical Properties:
Standard:Q/3210 88HGB3
Steel grade:4130X
Tensile strength(Mpa) 725~865
Bend strength(Mpa):485~735
Bend ratio<=0.85
Elongation (%)>=20
Impact energy Akv(J) : -40℃≥40degree centigrade
Hardness: 195~269HB
Chemical composition(%)Q/321088HGB3
Standard:4130X
Chemical composition(%):
C 0.25~0.35 Si 0.15~0.35 Mn:0.4~0.9 P<=0.02 S 0.01 Cr 0.8~1.1 Ni<=0.25 Cu<=0.2 Mo 0.15~0.25 V<=0.8
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Company Info
Qingdao Iron&Steel International Co., Ltd. [China (Mainland)]
Business Type:Trading Company
City: Qingdao
Province/State: Shandong
Country/Region: China (Mainland)
