We are the premier Manufacturer, Exporter, and Service Provider of a large assortment of superior quality M2 Metal Super Alloy fast delivery products.
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Our company was selected as the National Economic and Technological Development Zone's Wholesale price Hss Steel Super Alloy key investment project. We are a M2 Metal Super Alloy fast delivery company that specializes in technology and manufacturing. Our main product, O1 1.2510 SKS3 block distributor , is what we do. Our company believes in "Quality First. Credit Uppermost." We are committed to improving product quality, increasing product range, and meeting the market's demands. Customer and agent worldwide are attracted by our high quality products and reasonable prices.
This is why we take great pride in the continued success of our business. {We have striven to provide the highest quality of the We have always strived to provide the highest quality product, exceptional customer service, beautiful packaging, and the highest level of customer satisfaction. And our good business reputation favors us very well.While our staff and facilities have grown over the years, our dedication to you as customers and friends has not changed. We are grateful that you continue to think of Jiefa Materials whenever your needs arise.
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
W |
V |
M2 |
0.86-0.94 |
0.45max |
0.4max |
0.03max |
0.030max |
3.8-4.5 |
4.7-5.2 |
5.9-6.7 |
1.7-2.4 |
Mechanical properties |
Metric |
Imperial |
Hardness, Rockwell C (tempered at 1150°F, quenched at 2200°F) |
62 |
62 |
Hardness, Rockwell C (as hardened, quenched at 2200°F) |
65 |
65 |
Compressive yield strength (when tempered at 300°F) |
3250 MPa |
471000 psi |
Izod impact unnotched (when tempered at 300°F) |
67 J |
49.4 ft-lb |
Abrasion (loss in mm3, as-hardened; ASTM G65) |
25.8 |
25.8 |
Abrasion (loss in mm3, tempered at 1275°F; ASTM G65) |
77.7 |
77.7 |
Poisson's ratio |
0.27-0.30 |
0.27-0.30 |
Elastic modulus |
190-210 GPa |
27557-30458 ksi |
GRADES COMPARISON FOR SPRING STEEL | ||||||||
CHINA GB/T | USA ASTM | JAPAN JIS | GERMANY DIN | FRANCE NF | BIRTAIN BS | ISO | KOREA KS | TAIWAN CNS |
65 | 1065 | SUP2 S65-CSP | 60E | XC65 | 060A67 | C60E4 | ||
70 | 1070 | S70C-CSP | 60E | XC70 | 070A72 | 8458-3 DAB | ||
85 | 1084 | SUP2 SK5-CSP | C85E | XC85 | 060A86 | 8458-2 DH | SUP1 | SUP3 |
65Mn | 1566 | S60C-CSP | CK67 | 080A67 | C60E4 | |||
55Si2Mn | 9255 | SUP 6 SUP7 | 55Si7 | 55Si7 | 251H60 | 55SiCr7 | ||
55SiMnVB | ||||||||
60Si2Mn | 9260 | SUP 6 SUP7 | 65Si7 | 65Si7 | 251H60 | 61SiCr7 | SUP3 | SUP6 |
60Si2MnA | 9260 | SUP 6 SUP7 | 65SiMn5 | 55Cr7 | 251H6 | 61SiCr7 | SUP3 | SUP6 |
60Si2CrA | 65SiCr7 | 65SiCr7 | 685H57 | 55SiCr6-3 | ||||
60Si2CrVA | 65SiCr7 | 55SiCr6-3 | ||||||
55SiCrA | ||||||||
55CrMnA | 5155 | SUP9 | 55Cr3 | 55Cr3 | 527A60 | 55Cr3 | SPS5 | SUP9 |
60CrMnA | 5160 | SUP9A | 55Cr3 | 55Cr3 | 527A60 | SPS5A | SUP9A | |
60CrMnMoA | 4161 | SUP13 | SPS9 | SUP13 | ||||
50CrVA | 6150 | SUP10 | 51CrV4 | 51CrV4 | 735A51 | 51CrV4 | SPS6 | SUP10 |
60CrMnBA | 51B60H | SUP11A | 52MnCr83 | 60VrB3 | SPS67 | SUP11 | ||
30w4Cr2VA |
TOCT 14959 |
DIN 17221 |
GB/T 1222 |
NF A35-571 |
ISO 683-14 |
ASTM |
JIS G4801 |
|
A29M |
A322 |
||||||
60C2T |
60SiCr7 |
60Si2Mn |
61SiCr7 |
59Si7 |
9260 |
G92600 |
SU P6 |
C |
Si |
Mn |
Cr |
p |
S |
Ni |
Cu |
0.56-0.64 |
1.50-2.00 |
0.60-0.90 |
≤0.35 |
≤0.035 |
≤0.035 |
≤0.35 |
≤0.25 |
Product Type |
Delivery Condition |
Mechanical property |
Delivery Hardness |
||||
Rm |
Rel |
A11 |
Z |
Sample |
|||
Hot rolled round bar/square bar |
Hot rolled |
≥ |
≥ |
≥ |
≥ |
Q+T |
321 |
Forged round bar/square bar |
Hot rolled |
||||||
Hot rolled strips |
Hot rolled |
||||||
Cold drawing round bar |
Hot processing |
1270 |
1180 |
5 |
25 |
- |
- |
Hot rolled thin plate |
Hot rolled |
950 |
- |
12 |
- |
- |
- |
Cold rolled steel strips |
Y+T+QT |
785-1180 |
|
|
|
Y |
|
T=tempering;Q=quenching;QT=globurizing;Y=chilling |
Delivery Condition | Sizes | Surface |
1.Cold Rolled Only | 1.Thickness: 0.1-100mm | Bright / Polished / Blue |
2.Cold Rolled+Anaerobic Annealed | 2.Width: 8-3000mm | |
3.Cold Rolled+Hardened+Tempered | Coil insider diameter: Φ300-500mm | |
4.Cold Rolled+Patented |
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