
30crmnsia/4130/4140 Seamless Alloy Mechanical Pipe
Guangzhou Kingmetal Steel Industry Co., Ltd.- Technique:Hot Rolled
- Type:Seamless
- Warranty:10 Year
- After-sales Service:Change
- Material:Alloy Steel
- Surface Treatment:Black
Base Info
- Specification:1,8-24"NB
- Transport Package:Hex. Bundles
- Inspection:Et,Ut,PMI,Dimension or Custom
- Technical:Cold Rolled, Cold Drawn, Hot Rolled
- Surface:Anti-Corrosion Oil or Custom
- Length:3.5m, 4m,5m,6m,11.8m
- Section Shape:Round
- Usage:Hydraulic,Automobile Pipe
- Model NO.:DN50
- Trademark:KM,OEM
- Origin:China
- Production Capacity:100 Ton,Month
Description
C
Si
Mn
P
S
Cr
30Χ /
30CrMnSiA
0.28-0.34
0.90-1.20
0.80-1.10
≤0.025
≤0.025
0.80-1.10
Mechanical Properties:
Tensile strength(MPa)
Yield point (MPa)
Length of elongation(%)
Hardness
30Χ /
30CrMnSiA
≥1080
≥800
≥10
≤229
Applications:
It's used to make parts that are wear-resistant, low temperature, and variable load, such as the vane, valve plate and non-corrosive pipe of the high pressure blower.
Heat treatment
Quenching heating temperature : 880ºC; Coolant: oil
Tempering temperature : 520ºC; Coolant: water, oil
Package
1. Bundle Packing.
2. Plain end or vanished as per customer's request.
Quality Assurance, Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET







