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| Brand Name: | TORICH |
| Model Number: | GB 12770 |
| MOQ: | 5 Ton |
| Price: | USD 800-1200/Ton |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 20000 Ton/Year |
300L~3000L Seamless Steel Tubes for Large Volume Gas Cylinder GB 28884
SPEC:
Material:30CrMoE 42CrMoE 4130X 4142
Size Range:OD:80-1200mm
WT:4-100mm
General Length:4-12m
Tolerance:
According to the following tables or customers’ request.
| Category | Size | Tolerance |
| Outside Diameter(D) | - | ±1%D |
| Minimum Wall Thickness(Smin) | D≤559 | +25%Smin 0 |
| D>559 | +27.5%Smin 0 | |
| Wall Thickness(S) | D≤559 | +12.5%S -10%S |
| D>559 | ±12.5%S |
Mechanical Properties:
| Steel | Tensile Strength | Lower yield strength or specified plasticity elongation | percentage elongation after fracture | Yield ratio | Hardness | -40℃ Shock absorption energy | |
| Grade | HBW | KV2/ | |||||
| Ra / | ReL or Rp0.2a / | A50mma/ | (ReL/Ra orRp0.2/Ra)/% | J | |||
| MPa | MPa | % | Average | Single Sample | |||
| 30CrMoEb | ≥720 | ≥485 | ≥20 | ≤86 | ≤269 | ≥40 | ≥32 |
| 42CrMoEc | ≥930 | ≥760 | ≥16 | - | ≤330 | ≥40 | ≥32 |
| Grade 30CrMoE mechanical property is equivanlent to 4130X | |||||||
| Grade 42CrMoE mechanical property is equivanlent to 4142 | |||||||
Chemical Compositions:
| Steel Grade | Tensile Strength Ra / MPa | Lower yield strength or specified plasticity elongation ReL or Rp0.2a / MPa | percentage elongation after fracture A50mma/ % | yield ratio (ReL/Ra or Rp0.2/Ra)/ % | Hardness HBW | -10℃Shock absorption energy KV2/ J | |
| Average | Single Sample | ||||||
| 30CrMoEb | ≥720 | ≥485 | ≥20 | ≤86 | ≤269 | ≥40 | ≥32 |
| 42CrMoEc | ≥930 | ≥760 | ≥16 | - | ≤330 | ≥40 | ≥32 |
Characteristic:
TORICH QUALITY ASSURANCE
Good surface quality
Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test
Processing:
Technical Delivery Conditions:Steel pipe in hot rolling(enlarge) state,cold drawn or cold drawn after heat treatment state delivery.
Widely used in the field of:Manufacturing gas cylinder with 300L~3000L volume
Product Images:
