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30CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884

Minimum Order Quantity : 5 TON Price : negotiable
Packaging Details : in bundles with seaworthy packing Delivery Time : 30-40 WORK DAYS
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 25000 Ton/Tons per Year
Place of Origin: Zhejiang, China (Mainland) Brand Name: Torich
Certification: ISO9001:2008 ISO14001:2008 Model Number: GB28884

Detail Information

Name: GB28884 30CrMoE, 42CrMoE Seamless Steel Tubes For 300-3000L Large Volume Gas Cylinder Shape: Round
Grade: 30CrMoE, 42CrMoE Usage: Gas Cylinder Pipe
Surface: Annealed OD: 356-1000mm
WT: 1-100mm Length: 4-12m
Place Of Origin: Zhejiang, China (Mainland) Technique: Cold Drawn,Hot Rolled,Cold Rolled
High Light:

seamless steel pipe

,

seamless carbon steel tube

Product Description

Product Name: GB28884 30CrMoE, 42CrMoE Seamless Steel Tubes for 300-3000L Large Volume Gas Cylinder

 

Size range: O.D.: 356-1000mm W.T.: 1-100mm L:max12000mm

 

Material: 30CrMoE, 42CrMoE

 

Applications: for 300-3000L Large Volume Gas Cylinder Applications, Oil Cylinders/Telescopic Cylinders, mechanical and general engineering purposes.

 

Tolerance:

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
 

 

Steel Grade and Chemical Component

No. Grade Group Chemical component,%
C Si Mn P S Cr Mo Ni Cu
1 30CrMoE 1a

0.25~

0.35

0.15~

0.35

0.40~

0.90

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
2 2

0.26~

0.34

0.17~

0.37

0.40~

0.70

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
3 42CrMoE 1b

0.40~

0.45

0.15~

0.35

0.75~

1.00

≤0.020 ≤0.010

0.80~

1.10

0.15~

0.25

≤0.30 ≤0.20
4 2

0.38~

0.45

0.17~

0.37

0.50~

0.80

≤0.020 ≤0.010

0.90~

1.20

0.15~

0.25

≤0.30 ≤0.20

a Grade30CrMoE group1 is equivalent to 4130X.

bGrade42CrMoE group1 is equivalent to 4142

 

 

MECHANICAL PROPORTIES:

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

-40℃ Shock absorption energy

KV2/

J

Average Single Sample
30CrMoEb ≥720 ≥485 ≥20 ≤86 ≤269 ≥40 ≥32
42CrMoEc ≥930 ≥760 ≥16 - ≤330 ≥40 ≥32

30CrMoE mechanical property is equivanlent to 4130X

42CrMoE mechanical property is equivanlent to 4142

 

 

  30CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884 0              30CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884 130CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884 2

 

30CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884 3 30CrMoE 42CrMoE Hot Rolled / Cold Drawn Seamless Tube O.D 356-1000mm GB28884 4

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.

 

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