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| Categories | Alloy Steel Seamless Pipes |
|---|---|
| Brand Name: | New Era |
| Model Number: | GOST8734-75 |
| Certification: | ISO9001,TS16949 |
| Place of Origin: | China |
| MOQ: | 1 tons |
| Price: | Negotiation |
| Payment Terms: | T/T |
| Supply Ability: | 3000 tons/month |
| Delivery Time: | 45 days |
| Packaging Details: | Bundles Package, Wooden Box Package |
| Material: | SACM645 41CrAlMo74 BS905M39 |
| Delivery Condition: | HR, CW, SR, A, N |
| OD Size: | 6-108mm |
| WT Size: | 1-15mm |
| Surface: | Free of oxide scale |
| Application: | Mechanical Purpose |
| Product Name: | Round Steel Tubing |
| Advantage: | Excellent Strength and Durability |
| Company Info. |
| NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
Additional technical requirements for steel grade 38H2MUA pipes
Chemical composition, %
| С | Мп | Мо | Р | S | Si | Сг | Аl | |
SACM645 41CrAlMo74 BS905M39 | 0,35±0.01 | 0.30±0.02 | 0.15± 0.02 | ≤ 0.025 | ≤0.025 | 0.20± 0.02 | 1.35± 0.05 | 0.70± 0.1 |
| Our tolerance | ±0.05 | ±0.1 | ±0.05 | Same | Same | ±0.1 | ±0.2 | ±0.2 |
Mechanical properties:
| steel | yield (N/ mm²) | tensile (N/ mm²) | elongation % | Hardness, HB max |
SACM645 41CrAlMo74 BS905M39 | 420 | 617 | 12 | 250 |
Size list:
| OD, mm | WT, mm | L, mm* |
| 159.0 | 25 | 3 700.0 |
| 144 | 16 | 4 000.0 |
| 71.0 | 8.50 | 4 200.0 |
| 83.0 | 9.00 | 4 200.0 |
Steel | Heat treatment | ||||||
|---|---|---|---|---|---|---|---|
Quench | Tempering | ||||||
Temperature, °С | Cooling sphere | Temperature, °С | Cooling sphere | ||||
1st quench or normalization | 2nd quench | ||||||
SACM645 41CrAlMo74 BS905M39 | 940 | - | Water or oil | 640 | Water or oil | ||
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