Shigang Jingcheng Equipment Development & Manufacturing Co., Ltd
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Rolled Bar

Rolled Bar

Release Time:2016-01-21 13:09:32 Reading Times:2854 [ Font Size:Large Medium Small ]
 1. Introduction
This big alloy steel  bar mill was put into production in October, 2014. This mill has the most perfect process and applies most advanced technology in China till now. Its product focuses on offering middle sized high-end special steel for automobile, engineering, equipment, and shipbuilding and etc.
 2. Specifications
specifications delivery condition steel  category
Round bar ∮80~350 Rolled/Annealing/QT High quality carbon steel/ alloy tool steel/carbon tool steel/pipeline steel
∮80~200 Rolled/Annealing Bearing steel
Square and flat bar 150~280×150~280 Rolled/Annealing High quality alloy steel/ alloy tool steel/carbon tool steel
 3. Process Flow
 
 4. Product Standards
Category Grade Different Material Standards Specification(mm) Production standards
ASTM/SAE/AISI JIS DIN
High quality carbon steel 20~45 1020, 1045 S20C, S45C C22, C22E, CK22, C45, C45E, CK45 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Alloy steel 40Mn2, 40Cr 42CrMoA 4140 SCr440, SCM440 42CrMo4 ∮80~350
150~280×150~280
GB, ASTM, JIS,DIN or customer specified requirements
Gear steel 40CrH, 20CrMnTi,  20CrMoH, 20CrNiMoH 4120H, 8620H SCr440H, SCM420H, SCM822H 16CrNi4, 19CN5, 16~28MnCr5 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Non-QT steel F48MnV, F40MnVS,  12Mn2VB, C38N2 ∮80~350
150~280×150~280
GB, ASTM, JIS, DIN or customer specified requirements
Bearing steel GCr15, GCr15SiMn, GCr18Mo 52100 SUJ2, SUJ3,  SUJ4 100Cr, 100CrMo6 ∮80~200 GB or customer specified requirements
Spring steel 60Si2CrVA, 60Si2MnA and etc. 9260H SUP6 60SiCr7 ∮80~350
150~280×150~280
GB or customer specified requirements
Pipeline steel 37Mn5, L290, 29Mn2, 12Cr1MoVG, P91, P92 ∮80~350 GB or customer specified requirements
Alloy tool steel 5CrMnMo, 5CrNiMo, 4Cr5MoSiV1 and etc. L6, H13 SKT4 40CrMnMo7, 55NiCrMoV6, X40CrMoV51 ∮80~350
150~280×150~280
GB or customer specified requirements
 5. Product Quality Level
Category Grade Chemical component Non-metallic Inclusion Hardenability
HRC


P≤
(%)
S≤
(%)
[O] ≤
(ppm)
A
thin≤
A
heavy
B
thin≤
B
heavy
C
thin
C
heavy
D
thin≤
D
heavy
Ds≤
Carbon steel SAE1045, S45C, CK45, 45 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Alloy steel 42CrMo, 40Cr 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 1.5
Pipeline steel 37Mn5, L290, 29Mn2, 12Cr1MoVg 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Gear steel 20CrMoH, 20CrMnTiH, 20CrNiMoH 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 ≤6
SCM420H, SCM822H 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 ≤6
Spring steel 60Si2CrVA 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0
Bearing steel GCr15 0.015 0.005 10 1.0 0.5 1.0 0.5 0 0 1.0 0.5 1.0

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