NEW-ERA STEEL TUBE HOLDING
NINGBO PIPEWAY TRADE CO.,LTD
| Place of Origin: | China |
|---|---|
| Brand Name: | New Era |
| Certification: | ISO9001,TS16949 |
| Model Number: | GOST8734-75 |
| Minimum Order Quantity: | 1 tons |
| Price: | Negotiation |
| Packaging Details: | Bundles Package, Wooden Box Package |
| Delivery Time: | 45 days |
| Payment Terms: | T/T |
| Supply Ability: | 3000 tons/month |
| Material: | 38CrMoAl 38H2MUA 38X2МЮА | 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 |
| High Light: | seamless alloy steel tube,alloy steel seamless tubes,alloy round tube |
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Additional technical requirements for steel grade 38H2MUA pipes
Chemical composition, %
| С | Мп | Мо | Р | S | Si | Сг | Аl | |
| GOST 4543-75 | 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 |
| 38X2МЮА | 420 | 617 | 12 | 250 |
Size list:
| OD, mm | WT, mm | L, mm* |
| 71.0 | 8.50 | 3 700.0 |
| 71.0 | 8.50 | 4 000.0 |
| 71.0 | 8.50 | 4 200.0 |
| 83.0 | 9.00 | 4 200.0 |
| Order for CDS acc GOST 8734-75 steel 38Cr2MoAlA (38X2МЮА) | |||||
| Report No 824-97 | |||||
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Steel |
Heat treatment |
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|---|---|---|---|---|---|---|---|
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Quench |
Tempering |
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|
Temperature, °С |
Cooling sphere |
Temperature, °С |
Cooling sphere |
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1st quench or normalization |
2nd quench |
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| 38Х2МЮА (38ХМЮА) | 940 | - | Water or oil | 640 | Water or oil | ||