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| Supply Ability | USD 700-1100/Ton | 
| Delivery Time | 20-25 days | 
| Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways | 
| Product Name: | GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder | 
| Keyword: | Seamless Steel Tubes | 
| Material: | 30CrMoE 42CrMoE 4130X 4142 | 
| Shape: | Round | 
| Usage: | For Gas Cylinder With 300L~3000L Volume | 
| OD: | 80-1200mm | 
| WT: | 4-100m | 
| Length: | 2-12m | 
| Brand Name | TORICH | 
| Model Number | GB 28884 | 
| Certification | ISO 9001 ISO 14001 TS 16949 | 
| Place of Origin | Zhejiang,China | 
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | USD 700-1100/Ton | 
| Delivery Time | 20-25 days | Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways | 
| Product Name: | GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder | Keyword: | Seamless Steel Tubes | 
| Material: | 30CrMoE 42CrMoE 4130X 4142 | Shape: | Round | 
| Usage: | For Gas Cylinder With 300L~3000L Volume | OD: | 80-1200mm | 
| WT: | 4-100m | Length: | 2-12m | 
| Brand Name | TORICH | Model Number | GB 28884 | 
| Certification | ISO 9001 ISO 14001 TS 16949 | Place of Origin | Zhejiang,China | 
| High Light | seamless steel pipe ,seamless carbon steel tube | ||
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
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
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
1~ Incoming Raw Material Inspection
 2~ Raw Material Segregation to avoid steel grade mix-up
 3~ Heating and Hammering End for Cold Drawing
 4~ Cold Drawing and Cold Rolling, on line inspection
 5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
 6~ Straightening-Cutting to specified length-Finished Measuring Inspection
 7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
 8~ Packing and Stocking.
100% of our steel tubes are dimensionally checked
 100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
 100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Product Images:



FAQ
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
 If you have another question, pls feel free to contact us
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller 
Year Established:
1997 
Total Annual:
25000000-30000000
Employee Number:
100~200 
Ecer Certification:
Verified Supplier 
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
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