Shanghai Bozhong Metal Group Co., Ltd.
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 10000TON/MONTH |
| Delivery Time | 3--10days |
| Packaging Details | seaworthy packing or as required |
| Description | 50HRC Stainless Steel Hollow Bar Quenching |
| Surface | black bright 2B BA finish finishing finished |
| Thickness | 0.3-200mm |
| OD | 1-2500mm |
| Length | 200-12000mm |
| quantity | kg |
| MOQ | 1000 kg |
| application | industy construction machining |
| steel grade | 50HRC |
| type of welding | welded seamless smls ERW SAW SSAW LSAW |
| standard | ASTM JIS AISI DIN EN |
| Brand Name | BOZHONG |
| Model Number | 50HRC |
| Certification | ISO / TUV / DNV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 10000TON/MONTH |
| Delivery Time | 3--10days | Packaging Details | seaworthy packing or as required |
| Description | 50HRC Stainless Steel Hollow Bar Quenching | Surface | black bright 2B BA finish finishing finished |
| Thickness | 0.3-200mm | OD | 1-2500mm |
| Length | 200-12000mm | quantity | kg |
| MOQ | 1000 kg | application | industy construction machining |
| steel grade | 50HRC | type of welding | welded seamless smls ERW SAW SSAW LSAW |
| standard | ASTM JIS AISI DIN EN | Brand Name | BOZHONG |
| Model Number | 50HRC | Certification | ISO / TUV / DNV |
| Place of Origin | China | ||
| High Light | 50HRC stainless steel hollow bar ，0.3mm stainless steel hollow bar ，Quenching hollow stainless steel rods | ||
50HRC Stainless Steel Hollow Bar Quenching
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 |
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 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1998
Total Annual:
45000000-50000000
Employee Number:
120~150
Ecer Certification：
Active Member
We have six subsidiaries located in Shanghai, Zhejiang, Jiangsu and Hongkong, which have built great relationship with the metal facilities abroad and at home, so as to provide excellent services for our clients. We have own entire system for pre-sale, in-sale and after-sale process. And our b... We have six subsidiaries located in Shanghai, Zhejiang, Jiangsu and Hongkong, which have built great relationship with the metal facilities abroad and at home, so as to provide excellent services for our clients. We have own entire system for pre-sale, in-sale and after-sale process. And our b...
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