| Place of Origin: | China |
|---|---|
| Brand Name: | BOZHONG |
| Certification: | ISO / TUV / DNV |
| Model Number: | Q345 |
| Minimum Order Quantity: | 1000KG |
| Price: | negotiable |
| Packaging Details: | seaworthy packing or as required |
| Delivery Time: | 3--10days |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 10000TON/MONTH |
| Description: | Stainless Steel Seamless Pipe | Grade: | Q345 |
|---|---|---|---|
| Thickness: | 0.3-200mm | OD: | 1-2500mm |
| Length: | 200-12000mm | Quality: | Good Quality |
| Quantity: | Kg | MOQ: | 1000 Kg |
| Steel Grade: | S-STAR SUS420J2 420 4Cr13 S136 1.2083 | Type Of Welding: | Welded Seamless Smls ERW SAW SSAW LSAW |
| Standard: | ASTM JIS AISI DIN EN | ||
| High Light: | 50HRC stainless steel hollow pipe,0.3mm stainless steel hollow pipe,Quenching ss hollow pipe |
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Similar Standards
| Chinese | American | German | Swedish | Japanese | Japanese |
| GB | AISI | DIN | ASSAB | JIS | DAIDO |
| 4Cr13 | 420 | 1.2083 | S136 | SUS420J2 | S-STAR |
Chemical Composition
| Grades | C | Si | Mn | P | Mo | Ni | V | Cr |
| 1.2083 | 0.38-0.45 | ≤1.0 | ≤1.0 | ≤0.03 | / | 2.5-3.5 | / | 12.0-13.5 |
| 420 | 0.16-0.25 | ≤1.0 | ≤1.0 | ≤0.04 | / | ≤0.75 | / | 12.0-14.0 |
| 4Cr13 | 0.36-0.45 | ≤0.6 | ≤0.8 | ≤0.035 | / | ≤0.6 | / | 12.0-14.0 |
| S136 | 0.34-0.42 | 0.6-1.3 | / | ≤0.030 | 0.30-0.55 | 0.15-0.40 | 13.0-14.5 |
Heat Treatment
| Quenching | Tempering | ||||
| Heating Temperature/ºC | Cooling | Hardness/HRC | Heating Temperature/ºC | Cooling | Hardness/HRC |
| 1000-1050 | Oil | 52-55 | 200-300 | Air | 50-53 |
Mechanical properties editing
● Mechanical properties: Hardness: Annealing, ≤201HB, indentation diameter 3.9 ～ 4.3mm; quenching, ≥50HRC
● Heat treatment specifications and metallographic structure:
Heat treatment specifications:
1) Annealing, slow cooling at 800 ～ 900 ℃ or quick cooling at about 750 ℃;
2) Quenching, oil cooling at 1050 ～ 1100 ℃
3) Tempering, quick cooling at 200 ～ 300 ℃.
Metallographic structure: The structure is characterized by martensite.
| shape | round square rectangular hollow section |
| surface | black bright 2B finished BA finished |
| heat treatment | as per client's requirement |
