Contacts：Miss. Lisa
0086-13861277353
Contacts：Miss. Lisa
0086-13861277353
Contacts：Miss. Lisa
Tel：0086-13861277353
E-mail：linsa188@gmail.com
Add：No.143 Qingyang North road,Tianning district. Changzhou
| Place of Origin: | CHANGZHOU, CHINA |
| Brand Name: | Joyruns |
| Certification: | ISO9000 |
| Model Number: | 6mm --137mm |
| Minimum Order Quantity: | 5 tons per size |
| Price: | Negotiable |
| Packaging Details: | Plastic packing, oiling, wooden box |
| Delivery Time: | 30DAYS |
| Payment Terms: | TT OR LC |
| Supply Ability: | 5000T PER MONTH |
|
Detail Information |
|||
| OD. Range: | 6mm – 137mm | Wall Thickness: | 1mm-20mm |
|---|---|---|---|
| Length: | Max Length 12M | Type: | Seamless Boiler Tube |
| Technique: | Cold Drawing, Cold Rolled | Standard: | JIS3454/JIS3455/JIS3456/JIS3461 |
| High Light: | JIS 3454 Seamless Boiler Tubes,STPG370 Seamless Boiler Tubes,STPG370 410 |
||
JIS3454 / JIS3455 / JIS3456 / JIS3461
JIS G3454 carbon steel pipes are used for pressure conditions at a limited maximum temperature of 350℃. If you require higher pressure pipes shall consider JIS G 3455 standard. JIS G3454 Steel pipe can be manufactured into seamless steel pipe or electric-resistance welded steel tubes, the purchaser may designate the quality requirements on hot finished or cold finished state.
Specifications:
Grade and Chemical Composition ( ％ )
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
|
JIS G3454 |
STPG 370 |
≤0.25 |
≤0.35 |
0.30-0.90 |
≤0.040 |
≤0.040 |
|
STPG 410 |
≤0.30 |
≤0.35 |
0.30-1.00 |
≤0.040 |
≤0.040 |
|
|
JIS G3455 |
STS 370 |
≤0.25 |
0.10-0.35 |
0.30-1.10 |
≤0.035 |
≤0.035 |
|
STS410 |
≤0.30 |
0.10-0.35 |
0.30-1.40 |
≤0.035 |
≤0.035 |
|
|
STS480 |
≤0.33 |
0.10-0.35 |
0.30-1.50 |
≤0.035 |
≤0.035 |
|
|
JIS G3456 |
STPT 370 |
≤0.25 |
0.10-0.35 |
0.30-0.90 |
≤0.035 |
≤0.035 |
|
STPT 410 |
≤0.30 |
0.10-0.35 |
0.30-1.00 |
≤0.035 |
≤0.035 |
|
|
STPT 480 |
≤0.33 |
0.10-0.35 |
0.30-1.00 |
≤0.035 |
≤0.035 |
mechanical property
|
Standard |
Grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
|
JIS G3454 |
STPG 370 |
≥215 |
≥370 |
|
STPG 410 |
≥245 |
≥410 |
|
|
JIS G 3455 |
STS 370 |
≥215 |
≥370 |
|
STS 410 |
≥245 |
≥410 |
|
|
STS 480 |
≥275 |
≥480 |
|
|
JIS G 3456 |
STPT 370 |
≥215 |
≥370 |
|
STPT 410 |
≥245 |
≥410 |
|
|
STPT 480 |
≥275 |
≥480 |
Tolerances on Outside Diameter and Wall Thickness:
| Division | Tolerances on outside diameter | Tolerances on wall thickness |
| Hot-finished seamless steel pipe | 40 A or under 0.5mm | Under 4mm |
| 50A or over up to and incl. 125 A 1% |
+0.6mm -0.5mm 4mm or over +15% -12.5% |
|
| 150A 1.6mm | ||
| 200A or over 0.8% For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. In this case, the tolerances shall be 0.5%. |
||
| Cold-finished seamless steel pipe and electric resistance welded steel pipe | 25 A or under 0.3mm |
Under 3mm 3mm or over |
Miss. Lisa
0086-13861277353
