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GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder

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GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder

Brand Name : TORICH

Model Number : GB 28884

Certification : ISO 9001 ISO 14001 TS 16949

Place of Origin : Zhejiang,China

MOQ : 1 Ton

Price : negotiable

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

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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

QUALITY CONTROL

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:GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas CylinderGB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder

GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder

GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder

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


Product Tags:

seamless steel pipe

      

seamless carbon steel tube

      
China GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder wholesale

GB 28884 300L - 3000L 30CrMoE 42CrMoE 4130X 4142 Seamless Steel Tubes for Large Volume Gas Cylinder Images

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